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Prim
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Sch
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Ser
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C
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v
n
1.
I
NT
RO
D
UCT
I
O
N
I
n
th
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co
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tex
t
o
f
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s
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p
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o
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t,
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r
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le
o
f
s
o
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wo
r
k
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s
is
o
f
p
ar
am
o
u
n
t
im
p
o
r
tan
ce
[
1
]
,
esp
ec
ially
in
s
ch
o
o
ls
[
2
]
.
Stu
d
ies
h
av
e
s
h
o
wn
th
at
s
tr
u
ctu
r
al
b
ar
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,
esp
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d
is
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s
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,
f
r
o
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ac
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itab
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r
n
in
g
o
p
p
o
r
tu
n
ities
,
r
eq
u
ir
in
g
p
r
o
f
ess
io
n
als
with
ad
v
o
ca
cy
s
k
ills
to
p
r
o
tect
th
ei
r
r
i
g
h
ts
an
d
p
r
o
m
o
te
th
ei
r
co
m
p
r
eh
en
s
iv
e
d
ev
elo
p
m
en
t [
3
]
,
[
4
]
.
I
n
s
ch
o
o
l
s
o
cial
wo
r
k
,
ad
v
o
ca
cy
is
co
n
s
id
er
e
d
a
c
o
r
e
task
o
f
s
o
cial
wo
r
k
e
r
s
[
5
]
.
Mo
d
er
n
ad
v
o
ca
cy
m
o
d
els
em
p
h
asize
a
ca
r
e
-
o
r
ie
n
ted
ap
p
r
o
ac
h
to
en
s
u
r
e
th
e
v
o
ice
an
d
r
ig
h
ts
o
f
s
er
v
ice
u
s
er
s
[
6
]
,
wh
ile
also
f
o
cu
s
in
g
o
n
ad
v
o
ca
cy
i
n
tr
a
u
m
a
in
ter
v
e
n
tio
n
f
o
r
s
tu
d
en
ts
a
n
d
f
a
m
ilies
[
7
]
.
Fu
r
th
er
m
o
r
e,
ad
v
o
ca
cy
f
o
r
s
o
cial
ju
s
tice
is
co
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s
id
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an
im
p
o
r
tan
t
co
m
p
eten
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f
s
o
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wo
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s
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d
is
en
c
o
u
r
ag
e
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t
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e
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ate
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in
to
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in
clu
s
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e
lear
n
in
g
e
n
v
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m
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[
8
]
.
Ad
v
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ca
cy
s
k
ill
s
also
h
elp
s
o
cial
wo
r
k
er
s
id
en
tif
y
in
e
q
u
alities
,
ad
ju
s
t
p
r
ac
tices,
a
n
d
m
ee
t
th
e
n
ee
d
s
o
f
s
tu
d
e
n
ts
[
9
]
,
[
1
0
]
.
I
n
a
d
d
itio
n
,
in
th
e
co
n
tex
t
o
f
a
m
u
lti
-
eth
n
ic
u
r
b
an
en
v
ir
o
n
m
en
t,
s
o
cial
wo
r
k
e
r
s
an
d
teac
h
er
s
also
ad
v
o
ca
te
f
o
r
im
m
ig
r
a
n
t
an
d
r
ef
u
g
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s
tu
d
e
n
ts
an
d
th
eir
f
am
ilies
to
o
v
er
co
m
e
b
ar
r
ier
s
[
1
1
]
,
[
1
2
]
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
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J
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&
R
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N:
2252
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Th
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q
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a
lity o
f
a
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vo
c
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s
ervices in
p
r
ima
r
y
s
ch
o
o
l so
cia
l wo
r
k
fr
o
m
th
e
p
ers
p
ec
tive
…
(
Ha
V
a
n
Ho
a
n
g
)
3509
I
n
s
ch
o
o
ls
,
s
o
cial
wo
r
k
e
r
s
p
er
f
o
r
m
a
d
v
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ca
cy
at
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in
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iv
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al,
g
r
o
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s
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ir
o
n
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e
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t
[
1
3
]
,
[
1
4
]
.
T
h
ey
also
s
u
p
p
o
r
t im
m
ig
r
an
t a
n
d
r
e
f
u
g
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s
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d
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ts
in
c
u
ltu
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al
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te
g
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atio
n
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c
o
n
f
lict r
ed
u
ctio
n
,
a
n
d
eq
u
itab
le
ac
ce
s
s
to
ed
u
ca
tio
n
[
1
5
]
.
At
th
e
p
o
licy
lev
el,
a
d
v
o
ca
c
y
in
v
o
lv
es
i
n
ter
ac
tio
n
with
r
eg
u
lato
r
y
b
o
d
i
es
an
d
a
u
th
o
r
ities
,
wh
er
e
p
er
ce
p
tu
al
d
if
f
er
en
ce
s
ca
n
af
f
ec
t
im
p
lem
en
tatio
n
[
1
6
]
.
I
n
ad
v
o
ca
cy
,
th
e
r
o
le
o
f
in
ter
d
is
cip
lin
ar
y
co
llab
o
r
atio
n
b
etwe
en
teac
h
er
s
,
s
o
cial
wo
r
k
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s
,
s
ch
o
o
l c
o
u
n
s
elo
r
s
,
an
d
p
s
y
ch
o
lo
g
is
ts
is
cr
u
cial
f
o
r
id
en
tify
i
n
g
p
r
o
b
lem
s
an
d
im
p
lem
en
tin
g
ap
p
r
o
p
r
iate
s
u
p
p
o
r
t
s
tr
ateg
ies
[
1
7
]
–
[
1
9
]
.
At
th
e
s
am
e
tim
e,
s
ch
o
o
l
co
u
n
s
elo
r
s
an
d
s
o
cial
wo
r
k
e
r
s
ac
t
as
a
b
r
id
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e
b
etwe
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s
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f
a
m
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s
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t
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n
er
s
’
r
ig
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e
n
t
[
2
0
]
.
Ho
wev
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h
e
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r
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g
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n
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g
r
em
ain
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lim
ited
[
2
1
]
,
wh
ile
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is
ca
p
ac
ity
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in
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lu
en
ce
d
b
y
eth
ical
awa
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en
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,
lead
er
s
h
ip
s
k
ills
an
d
co
o
r
d
in
atio
n
a
b
ilit
ies [
2
2
]
.
NASW
a
f
f
ir
m
s
th
at
a
d
v
o
ca
c
y
is
a
c
o
r
e
tas
k
t
o
p
r
o
m
o
t
e
e
q
u
it
y
a
n
d
i
m
p
r
o
v
e
s
er
v
i
ce
q
u
al
it
y
(
SERV
QUA
L
)
[
2
3
]
–
[
2
5
]
.
Ass
ess
m
e
n
t
to
o
ls
s
u
ch
as
t
h
e
s
ch
o
o
l
-
b
ase
d
a
d
v
o
c
ac
y
a
n
d
aw
ar
e
n
ess
s
ca
le
(
SB
AAS
)
h
a
v
e
a
ls
o
b
ee
n
d
e
v
el
o
p
e
d
to
s
tan
d
ar
d
i
ze
t
h
is
ac
ti
v
it
y
in
s
c
h
o
o
ls
[
2
6
]
.
T
h
is
s
h
o
ws
th
at
it
i
s
n
ec
ess
a
r
y
t
o
b
u
il
d
a
le
g
a
l
f
r
am
ew
o
r
k
,
t
r
ai
n
h
u
m
a
n
r
es
o
u
r
ce
s
an
d
s
t
r
en
g
t
h
e
n
in
t
er
-
s
e
ct
o
r
al
co
o
p
e
r
a
ti
o
n
f
o
r
s
c
h
o
o
l
s
o
ci
al
w
o
r
k
i
n
Vietn
am
[
2
7
]
.
So
m
e
s
tu
d
ies
also
p
o
in
t
o
u
t
m
an
y
f
ac
t
o
r
s
af
f
ec
tin
g
t
h
e
e
f
f
ec
tiv
en
ess
o
f
ad
v
o
ca
cy
s
u
ch
as
in
d
iv
id
u
al
ca
p
ac
ity
,
o
r
g
a
n
izatio
n
al
en
v
ir
o
n
m
en
t,
p
o
licy
awa
r
en
ess
an
d
co
m
m
u
n
it
y
s
u
p
p
o
r
t
[
2
8
]
,
[
2
9
]
.
At
th
e
s
am
e
tim
e,
th
e
p
er
s
o
n
al
ch
ar
a
cter
is
tics
an
d
wo
r
k
co
n
tex
t
o
f
teac
h
er
s
also
af
f
ec
t
th
e
le
v
el
o
f
im
p
lem
e
n
tatio
n
an
d
th
e
r
o
le
o
f
ad
v
o
ca
cy
in
s
c
h
o
o
ls
[
1
2
]
,
[
1
5
]
.
I
n
Vietn
am
,
alth
o
u
g
h
s
ch
o
o
l
s
o
cial
wo
r
k
is
s
till
q
u
ite
n
ew,
t
h
is
f
ield
h
as c
o
n
tr
ib
u
ted
t
o
s
o
l
v
in
g
m
an
y
p
r
ess
in
g
is
s
u
es
s
u
ch
as
s
tu
d
e
n
ts
’
m
en
tal
h
ea
lth
,
s
ch
o
o
l
v
io
len
ce
,
in
eq
u
ality
in
ac
ce
s
s
to
ed
u
ca
tio
n
an
d
th
e
lack
o
f
co
n
n
ec
tio
n
b
etwe
en
f
am
ily
-
s
ch
o
o
l
-
co
m
m
u
n
ity
[
3
0
]
,
[
3
1
]
.
T
h
er
ef
o
r
e,
a
d
v
o
ca
c
y
a
ctiv
ities
in
s
ch
o
o
l
s
o
cial
wo
r
k
,
esp
ec
ially
at
th
e
p
r
im
ar
y
lev
el,
ar
e
o
f
g
r
ea
t
im
p
o
r
tan
ce
.
Ho
wev
e
r
,
th
er
e
is
s
t
ill
a
lack
o
f
s
y
s
tem
atic
an
aly
tical
s
tu
d
ies
o
n
p
r
i
m
ar
y
s
ch
o
o
l
teac
h
er
s
’
p
er
ce
p
tio
n
s
o
f
ad
v
o
ca
cy
s
er
v
ices
as
well
as
d
if
f
er
en
ce
s
ac
c
o
r
d
in
g
to
s
o
cio
-
d
em
o
g
r
ap
h
ic
ch
ar
ac
ter
is
tics
,
wh
ile
teac
h
er
s
’
p
er
ce
p
tio
n
s
d
ir
ec
tly
af
f
ec
t
th
e
lev
el
o
f
co
o
p
er
atio
n
an
d
t
h
e
a
b
ilit
y
to
im
p
lem
en
t
s
er
v
ices
in
s
ch
o
o
ls
[
3
2
]
.
I
n
a
d
d
itio
n
,
d
o
m
esti
c
s
tu
d
ies
s
h
o
w
th
at
s
o
cial
wo
r
k
ac
tiv
ities
ar
e
s
till
f
r
ag
m
en
ted
,
lack
in
g
p
r
o
f
ess
io
n
al
h
u
m
an
r
eso
u
r
ce
s
an
d
leg
al
m
ec
h
an
is
m
s
to
s
u
p
p
o
r
t
a
d
v
o
ca
c
y
,
h
in
d
er
i
n
g
th
e
s
u
s
tain
ab
le
im
p
lem
en
t
atio
n
o
f
th
is
s
er
v
ice
in
s
ch
o
o
ls
[
3
3
]
.
T
h
is
s
tu
d
y
ad
d
r
ess
es
th
e
lack
o
f
ev
i
d
en
c
e
o
n
teac
h
er
s
’
p
er
s
p
ec
tiv
es
o
f
ad
v
o
ca
c
y
s
er
v
ices
in
Vietn
am
an
d
ap
p
lies
th
e
SERVQU
AL
m
o
d
el
to
ev
alu
ate
s
atis
f
ac
tio
n
an
d
in
f
lu
en
ci
n
g
f
ac
to
r
s
.
B
ased
o
n
th
is
,
th
e
s
tu
d
y
aim
s
at
th
e
f
o
llo
win
g
h
y
p
o
th
eses
:
i)
t
ea
c
h
er
s
’
s
atis
f
ac
tio
n
is
at
a
h
ig
h
lev
el
(
H
1
)
;
ii)
s
atis
f
ac
tio
n
d
if
f
er
s
s
ig
n
if
ican
tly
ac
r
o
s
s
d
em
o
g
r
a
p
h
ic
f
ac
to
r
s
(
H2
)
; a
n
d
iii)
s
atis
f
ac
tio
n
is
in
f
lu
en
ce
d
b
y
tr
u
s
t,
r
esp
o
n
s
iv
en
ess
(
H3
)
.
2.
M
E
T
H
O
D
2
.
1
.
Resea
rc
h
m
o
del
T
h
e
r
es
ea
r
c
h
m
o
d
el
is
b
u
ilt
b
as
ed
o
n
t
h
e
S
E
R
VQUA
L
t
h
e
o
r
et
ica
l
f
r
a
m
ew
o
r
k
[
3
4
]
to
ass
ess
t
h
e
d
i
f
f
er
e
n
ce
i
n
t
h
e
l
ev
el
o
f
s
a
ti
s
f
a
cti
o
n
o
f
p
r
i
m
a
r
y
s
c
h
o
o
l
t
e
ac
h
e
r
s
wi
th
a
d
v
o
ca
c
y
s
e
r
v
ic
e
s
in
s
o
cia
l
w
o
r
k
at
s
ch
o
o
l.
T
h
e
m
o
d
el
f
o
c
u
s
es
o
n
f
iv
e
m
a
in
d
i
m
e
n
s
i
o
n
s
o
f
SER
VQUA
L
i
n
cl
u
d
in
g
:
t
r
u
s
t
(
T
)
,
r
es
p
o
n
s
iv
en
ess
(
R
)
,
ca
p
a
c
it
y
(
C
)
,
e
m
p
at
h
y
(
E
)
,
a
n
d
co
n
d
it
io
n
s
o
f
im
p
le
m
e
n
ta
ti
o
n
(
I
C
)
.
T
h
ese
f
ac
to
r
s
a
f
f
ec
t
s
a
tis
f
ac
t
io
n
wit
h
t
h
e
q
u
ali
ty
o
f
a
d
v
o
c
ac
y
s
er
v
i
ce
s
i
n
s
o
cia
l
wo
r
k
at
p
r
i
m
a
r
y
s
ch
o
o
l
s
at
d
i
f
f
er
en
t
le
v
els
.
T
h
is
is
ill
u
s
tr
a
te
d
in
Fi
g
u
r
e
1
.
Fig
u
r
e
1
. T
h
e
m
o
d
el
r
esear
ch
m
o
d
el
o
n
th
e
q
u
ality
o
f
a
d
v
o
c
ac
y
s
er
v
ices in
s
o
cial
wo
r
k
at
p
r
im
ar
y
s
ch
o
o
ls
Evaluation Warning : The document was created with Spire.PDF for Python.
I
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N
:
2
2
5
2
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8
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2
I
n
t
J
E
v
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&
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d
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c
,
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l
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15
,
No
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4
,
Au
g
u
s
t
20
26
:
3
5
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3
5
1
7
3510
2
.
2
.
P
o
pu
la
t
io
n a
nd
s
a
m
ple
T
h
e
s
tu
d
y
s
u
r
v
e
y
ed
4
0
0
p
r
im
ar
y
s
ch
o
o
l
teac
h
er
s
f
r
o
m
th
r
e
e
p
r
o
v
in
ce
s
r
ep
r
esen
tin
g
th
r
ee
r
eg
io
n
s
o
f
Vietn
am
:
th
e
n
o
r
th
(
T
u
y
en
Q
u
an
g
p
r
o
v
i
n
ce
)
,
th
e
c
en
tr
al
r
e
g
io
n
(
Da
Nan
g
city
)
,
a
n
d
th
e
s
o
u
th
(
Vin
h
L
o
n
g
p
r
o
v
in
ce
)
.
E
ac
h
p
r
o
v
in
ce
s
u
r
v
ey
ed
o
n
e
s
ch
o
o
l
lo
ca
te
d
in
an
u
r
b
a
n
ar
ea
an
d
o
n
e
i
n
a
r
u
r
al
ar
ea
.
T
h
e
n
o
r
th
e
r
n
an
d
s
o
u
th
er
n
r
eg
io
n
s
ea
ch
s
u
r
v
ey
ed
1
3
0
teac
h
e
r
s
,
wh
ile
th
e
ce
n
tr
al
r
eg
io
n
,
in
clu
d
i
n
g
Da
Nan
g
city
(
a
ce
n
tr
ally
-
g
o
v
e
r
n
ed
cit
y
)
,
s
u
r
v
ey
e
d
1
4
0
teac
h
e
r
s
.
T
h
is
s
am
p
le
s
ize
s
elec
tio
n
en
s
u
r
es
r
ep
r
esen
tativ
en
ess
ac
r
o
s
s
all
r
eg
io
n
s
o
f
Vietn
am
with
in
a
m
u
lticu
ltu
r
al
c
o
n
tex
t.
Ho
wev
er
,
two
q
u
esti
o
n
n
air
es
wer
e
in
v
alid
d
u
e
to
in
co
m
p
lete
an
s
wer
s
to
th
e
s
u
r
v
ey
q
u
esti
o
n
s
,
s
o
th
e
to
tal
n
u
m
b
er
o
f
v
alid
q
u
esti
o
n
n
air
es
co
llected
was
3
9
8
.
T
ea
ch
er
s
wer
e
s
elec
ted
f
r
o
m
p
r
im
ar
y
s
ch
o
o
ls
to
en
s
u
r
e
r
ep
r
esen
tativ
en
ess
in
ter
m
s
o
f
r
eg
i
o
n
,
s
ch
o
o
l
s
ize
an
d
o
cc
u
p
atio
n
al
ch
ar
ac
ter
is
tics
o
f
th
e
th
r
ee
r
e
g
io
n
s
o
f
n
o
r
th
,
ce
n
tr
al
,
an
d
s
o
u
th
o
f
Vietn
am
.
T
h
e
s
am
p
le
s
ize
ch
ar
ac
ter
is
tics
ar
e
s
h
o
wn
in
T
ab
le
1
.
T
ab
le
1
s
h
o
ws
th
at
th
e
m
ajo
r
i
ty
o
f
teac
h
e
r
s
p
ar
ticip
atin
g
in
th
e
s
u
r
v
ey
wer
e
f
em
ale
(
7
3
.
6
%),
wh
ile
2
6
.
4
%
wer
e
m
ale.
T
h
e
m
o
s
t
co
m
m
o
n
a
g
e
g
r
o
u
p
was
f
r
o
m
3
5
to
u
n
d
er
4
5
y
ea
r
s
o
ld
(
3
6
.
7
%),
f
o
llo
wed
b
y
th
e
25
–
3
5
y
ea
r
o
ld
g
r
o
u
p
(
2
5
.
9
%)
.
T
h
e
m
ajo
r
ity
o
f
teac
h
e
r
s
wer
e
Kin
h
(
9
1
%).
I
n
ter
m
s
o
f
liv
in
g
ar
ea
,
5
5
%
wer
e
in
r
u
r
al
ar
ea
s
an
d
4
5
% we
r
e
i
n
u
r
b
an
a
r
ea
s
.
T
ea
ch
er
s
ca
m
e
f
r
o
m
th
r
ee
r
e
g
io
n
s
with
th
e
f
o
llo
win
g
p
r
o
p
o
r
tio
n
s
:
th
e
n
o
r
th
2
7
.
1
%,
th
e
ce
n
tr
al
4
2
%
an
d
th
e
s
o
u
th
3
0
.
9
%.
I
n
t
er
m
s
o
f
wo
r
k
i
n
g
ex
p
er
ien
ce
,
t
h
e
g
r
o
u
p
with
5
to
u
n
d
er
1
0
y
ea
r
s
o
f
e
x
p
er
ien
ce
ac
co
u
n
ted
f
o
r
th
e
h
i
g
h
est
p
r
o
p
o
r
tio
n
(
4
0
.
7
%),
f
o
llo
wed
b
y
th
e
g
r
o
u
p
with
o
v
er
1
5
y
ea
r
s
(
2
8
.
4
%).
I
n
ter
m
s
o
f
p
r
o
f
ess
io
n
al
q
u
alif
icatio
n
s
,
th
e
m
ajo
r
ity
o
f
teac
h
er
s
h
ad
a
b
ac
h
elo
r
'
s
d
eg
r
ee
(
8
7
.
7
%),
w
h
ile
th
e
r
em
ain
in
g
1
2
.
3
%
h
a
d
a
m
aster
'
s
d
eg
r
ee
.
T
h
is
s
am
p
le
s
ize
d
is
tr
ib
u
tio
n
is
q
u
ite
d
iv
er
s
e,
allo
win
g
f
o
r
r
eliab
le
s
tatis
tical
an
aly
s
is
wh
ile
p
r
o
v
id
in
g
in
s
ig
h
tf
u
l q
u
a
n
titativ
e
in
f
o
r
m
atio
n
.
T
ab
le
1
.
So
cio
-
d
em
o
g
r
ap
h
ic
in
f
o
r
m
atio
n
o
f
teac
h
er
s
p
ar
tici
p
atin
g
in
th
e
s
u
r
v
ey
C
h
a
r
a
c
t
e
r
i
s
t
i
c
F
r
e
q
u
e
n
c
y
(f)
P
e
r
c
e
n
t
a
g
e
(
%
)
G
e
n
d
e
r
F
e
m
a
l
e
2
9
3
7
3
.
6
M
a
l
e
1
0
5
2
6
.
4
A
n
o
t
h
e
r
0
0
A
g
e
g
r
o
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p
U
n
d
e
r
2
5
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e
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r
s
o
l
d
20
5
.
0
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r
o
m
2
5
t
o
u
n
d
e
r
3
5
y
e
a
r
s
o
l
d
1
0
3
2
5
.
9
F
r
o
m
3
5
t
o
u
n
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e
r
4
5
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e
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r
s
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d
1
4
6
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6
.
7
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r
o
m
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n
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r
5
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r
s
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96
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r
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1
.
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h
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c
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r
i
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s
36
9
.
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c
a
t
i
o
n
R
u
r
a
l
2
1
9
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5
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0
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r
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a
n
1
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l
a
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o
f
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e
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d
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c
e
N
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r
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h
e
r
n
1
0
8
2
7
.
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e
n
t
r
a
l
1
6
7
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2
.
0
S
o
u
t
h
e
r
n
1
2
3
3
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.
9
W
o
r
k
e
x
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e
r
i
e
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c
e
U
n
d
e
r
5
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e
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r
s
39
9
.
8
F
r
o
m
5
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o
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n
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r
1
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e
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r
s
1
6
2
4
0
.
7
F
r
o
m
1
0
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o
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n
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e
r
1
5
y
e
a
r
s
84
2
1
.
1
O
v
e
r
1
5
y
e
a
r
s
1
1
3
2
8
.
4
P
r
o
f
e
ssi
o
n
a
l
q
u
a
l
i
f
i
c
a
t
i
o
n
s
B
a
c
h
e
l
o
r
3
4
9
8
7
.
7
M
a
s
t
e
r
49
1
2
.
3
D
o
c
t
o
r
0
0
2
.
3
.
I
ns
t
rum
ent
s
A
q
u
an
titativ
e
s
tu
d
y
was
co
n
d
u
cted
to
ass
ess
th
e
lev
el
o
f
teac
h
er
s
'
s
a
tis
f
ac
tio
n
with
d
if
f
er
en
t
asp
ec
ts
o
f
s
o
cial
wo
r
k
ad
v
o
ca
cy
s
er
v
ices
in
p
r
im
ar
y
s
ch
o
o
ls
.
T
o
ass
ess
th
e
lev
el
o
f
p
r
im
ar
y
s
ch
o
o
l
teac
h
er
s
'
s
atis
f
ac
tio
n
with
s
o
cial
wo
r
k
ad
v
o
ca
cy
s
er
v
ices,
th
e
s
tu
d
y
u
s
ed
a
q
u
esti
o
n
n
air
e
b
ased
o
n
th
e
SERVQU
AL
m
o
d
el
o
f
Par
asu
r
a
m
an
et
a
l
.
[
3
4
]
.
T
h
is
s
ca
le
co
n
s
is
ts
o
f
f
iv
e
lev
els
f
r
o
m
1
(
co
m
p
letely
d
is
s
atis
f
ied
)
to
5
(
co
m
p
letely
s
atis
f
ied
)
to
m
e
asu
r
e
th
e
lev
el
o
f
teac
h
er
s
'
ag
r
ee
m
en
t w
ith
s
tatem
en
ts
r
elate
d
to
SERVQUAL
.
T
h
e
s
u
r
v
ey
in
d
icato
r
s
ar
e
b
u
ilt
b
ased
o
n
f
iv
e
b
asic
SERVQU
AL
d
im
en
s
io
n
s
[
3
4
]
,
i
n
clu
d
in
g
:
i
)
tr
u
s
t:
ab
ilit
y
to
p
er
f
o
r
m
s
er
v
ices
ac
cu
r
ately
,
r
eliab
ly
a
n
d
o
n
s
ch
ed
u
le,
in
cl
u
d
in
g
f
iv
e
f
ac
to
r
s
;
ii)
r
esp
o
n
s
iv
en
ess
:
lev
el
o
f
r
ea
d
in
ess
an
d
p
r
o
m
p
t
n
ess
to
s
u
p
p
o
r
t
an
d
m
ee
t
th
e
n
ee
d
s
o
f
s
o
cial
wo
r
k
er
s
,
in
cl
u
d
in
g
f
i
v
e
f
ac
to
r
s
;
iii)
ca
p
ac
ity
:
k
n
o
wled
g
e,
p
r
o
f
ess
io
n
al
s
k
ills
an
d
a
b
ilit
y
t
o
cr
ea
te
tr
u
s
t
o
f
s
o
cial
wo
r
k
er
s
,
in
clu
d
in
g
f
iv
e
f
ac
to
r
s
;
iv
)
em
p
ath
y
:
lev
el
o
f
co
n
ce
r
n
,
u
n
d
er
s
tan
d
i
n
g
an
d
c
ar
e
o
f
s
o
cial
wo
r
k
er
s
,
in
clu
d
i
n
g
f
iv
e
f
ac
to
r
s
;
an
d
v
)
co
n
d
itio
n
s
o
f
im
p
lem
e
n
tatio
n
:
co
n
d
itio
n
s
,
s
u
p
p
o
r
t
e
q
u
ip
m
en
t
a
n
d
f
o
r
m
o
f
s
er
v
ice
im
p
lem
en
tatio
n
,
in
clu
d
in
g
f
iv
e
f
ac
t
o
r
s
.
T
h
e
q
u
esti
o
n
n
air
e
was
d
esig
n
ed
to
b
o
t
h
ass
ess
o
v
er
all
s
atis
f
ac
tio
n
(
s
atis
f
ac
tio
n
,
co
n
s
is
tin
g
o
f
f
iv
e
f
ac
to
r
s
)
a
n
d
id
en
tify
s
p
ec
if
ic
asp
ec
ts
th
at
teac
h
er
s
p
er
ce
iv
e
ab
o
u
t
ad
v
o
ca
cy
s
er
v
ices.
T
h
e
co
llected
q
u
an
titativ
e
r
es
ea
r
ch
r
esu
lts
wer
e
p
r
o
ce
s
s
ed
o
n
SP
SS
v
er
s
io
n
2
7
s
o
f
twar
e
to
test
th
e
r
eliab
ilit
y
Evaluation Warning : The document was created with Spire.PDF for Python.
I
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J
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&
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2252
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8
8
2
2
Th
e
q
u
a
lity o
f
a
d
vo
c
a
cy
s
ervices in
p
r
ima
r
y
s
ch
o
o
l so
cia
l wo
r
k
fr
o
m
th
e
p
ers
p
ec
tive
…
(
Ha
V
a
n
Ho
a
n
g
)
3511
o
f
th
e
s
ca
le,
ex
p
lo
r
ato
r
y
f
ac
t
o
r
an
aly
s
is
(
E
FA)
as
well
as
t
-
t
est,
an
aly
s
is
o
f
v
ar
ian
ce
(
ANOV
A)
,
an
d
Pear
s
o
n
co
r
r
elatio
n
to
ev
alu
ate
teac
h
e
r
s
'
p
er
s
p
ec
tiv
es
o
n
s
atis
f
ac
tio
n
with
ad
v
o
ca
cy
s
er
v
ices
in
s
o
cial
wo
r
k
at
p
r
im
ar
y
s
ch
o
o
ls
.
3.
RE
SU
L
T
S AN
D
D
I
SCU
SS
I
O
N
T
o
en
s
u
r
e
th
e
ac
cu
r
ac
y
a
n
d
r
eliab
ilit
y
o
f
th
e
s
ca
les
ass
es
s
i
n
g
teac
h
er
s
’
p
er
s
p
ec
tiv
es
o
n
t
h
e
lev
el
o
f
s
atis
f
ac
tio
n
with
ad
v
o
ca
cy
s
er
v
ices
in
s
o
cial
wo
r
k
at
p
r
im
ar
y
s
ch
o
o
ls
,
th
e
s
tu
d
y
co
n
d
u
cte
d
r
eliab
ilit
y
test
in
g
u
s
in
g
C
r
o
n
b
ac
h
’
s
a
lp
h
a
co
e
f
f
icien
t.
T
ab
le
2
s
h
o
ws
th
at
all
s
ca
les
ac
h
iev
ed
C
r
o
n
b
a
ch
’
s
alp
h
a
v
alu
es
ab
o
v
e
0
.
7
,
s
p
ec
if
ically
tr
u
s
t
s
ca
le
r
ea
ch
ed
0
.
9
8
6
;
r
esp
o
n
s
iv
en
ess
0
.
9
5
9
;
ca
p
ac
ity
0
.
8
8
0
;
em
p
ath
y
0
.
8
7
7
;
co
n
d
itio
n
s
o
f
im
p
lem
en
tatio
n
0
.
8
8
4
;
a
n
d
s
atis
f
ac
tio
n
0
.
7
7
1
.
T
h
e
item
-
to
tal
c
o
r
r
elatio
n
co
ef
f
icien
ts
o
f
ea
ch
item
in
th
e
s
ca
les
all
ex
ce
ed
ed
0
.
3
,
e
n
s
u
r
in
g
th
at
ea
ch
q
u
esti
o
n
was
clo
s
ely
lin
k
ed
to
th
e
o
v
er
all
s
ca
le
[
3
5
]
.
I
n
p
a
r
ticu
lar
,
th
e
tr
u
s
t,
r
esp
o
n
s
iv
en
ess
an
d
ca
p
ac
ity
s
ca
les
ac
h
iev
ed
v
er
y
h
ig
h
C
r
o
n
b
ac
h
’
s
alp
h
a
co
ef
f
icien
ts
,
d
em
o
n
s
tr
atin
g
e
x
ce
llen
t
in
ter
n
al
co
n
s
is
ten
cy
an
d
r
eliab
ilit
y
.
Alth
o
u
g
h
th
e
s
atis
f
ac
tio
n
s
ca
le
h
ad
a
s
lig
h
tly
lo
wer
item
-
to
tal
co
r
r
elatio
n
co
ef
f
icien
t,
it
was
s
t
ill
w
ith
in
ac
ce
p
tab
le
lim
its
,
s
u
itab
le
f
o
r
q
u
an
titativ
e
an
aly
s
is
in
th
is
s
tu
d
y
.
T
h
ese
r
esu
lts
co
n
f
ir
m
ed
th
at
th
e
s
u
r
v
e
y
in
s
tr
u
m
en
t
b
ased
o
n
th
e
SERVQUAL
m
o
d
el
h
as
h
i
g
h
r
eliab
ilit
y
an
d
is
s
u
itab
le
to
ac
cu
r
ately
r
ef
lect
teac
h
er
s
'
p
er
s
p
ec
tiv
es
o
n
th
e
q
u
ality
o
f
ad
v
o
ca
cy
s
er
v
ices
in
s
o
cial
wo
r
k
at
p
r
im
a
r
y
s
ch
o
o
ls
[
3
4
]
.
T
ab
le
2
.
R
esu
lts
o
f
r
eliab
ilit
y
t
esti
n
g
o
f
r
esear
ch
s
ca
les
V
a
r
i
a
b
l
e
s
C
o
r
r
e
c
t
e
d
i
t
e
m
–
t
o
t
a
l
c
o
r
r
e
l
a
t
i
o
n
o
f
i
t
e
m
1
C
o
r
r
e
c
t
e
d
i
t
e
m
–
t
o
t
a
l
c
o
r
r
e
l
a
t
i
o
n
o
f
i
t
e
m
2
C
o
r
r
e
c
t
e
d
i
t
e
m
–
t
o
t
a
l
c
o
r
r
e
l
a
t
i
o
n
o
f
i
t
e
m
3
C
o
r
r
e
c
t
e
d
i
t
e
m
–
t
o
t
a
l
c
o
r
r
e
l
a
t
i
o
n
o
f
i
t
e
m
4
C
o
r
r
e
c
t
e
d
i
t
e
m
–
t
o
t
a
l
c
o
r
r
e
l
a
t
i
o
n
o
f
i
t
e
m
5
C
r
o
n
b
a
c
h
’
s
Tr
u
st
0
.
7
7
5
0
.
7
4
4
0
.
7
3
9
0
.
7
6
4
0
.
7
0
0
0
.
9
8
6
R
e
s
p
o
n
s
i
v
e
n
e
ss
0
.
6
5
8
0
.
6
6
6
0
.
6
6
8
0
.
6
8
4
0
.
7
0
7
0
.
9
5
9
C
a
p
a
c
i
t
y
0
.
7
0
6
0
.
7
1
3
0
.
7
0
4
0
.
7
1
3
0
.
7
2
6
0
.
8
8
0
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a
t
h
y
0
.
7
2
4
0
.
7
1
6
0
.
7
0
3
0
.
7
0
1
0
.
6
6
8
0
.
8
7
7
C
o
n
d
i
t
i
o
n
s
o
f
i
mp
l
e
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e
n
t
a
t
i
o
n
0
.
7
2
0
0
.
7
4
0
0
.
7
1
2
0
.
7
2
8
0
.
7
0
6
0
.
8
8
4
S
a
t
i
sf
a
c
t
i
o
n
0
.
4
7
8
0
.
5
3
7
0
.
5
7
4
0
.
5
3
8
0
.
5
8
3
0
.
7
7
1
T
h
e
s
tu
d
y
also
co
n
d
u
cted
a
n
E
FA
to
ev
al
u
ate
f
iv
e
f
ac
t
o
r
s
af
f
ec
tin
g
teac
h
er
s
'
s
atis
f
a
ctio
n
with
ad
v
o
ca
cy
s
er
v
ices
in
s
o
cial
wo
r
k
in
p
r
im
a
r
y
s
ch
o
o
ls
.
T
h
e
r
esu
lts
s
h
o
wed
th
at
th
e
Kaiser
-
Me
y
er
-
Olk
in
(
KM
O)
co
ef
f
icien
t=0
.
8
3
4
,
s
ig
B
ar
tlett
’
s
t
est=0
.
0
0
0
<0
.
0
5
,
s
o
th
e
f
ac
to
r
an
aly
s
is
was
ap
p
r
o
p
r
iate.
T
h
er
e
wer
e
f
iv
e
f
ac
to
r
s
e
x
tr
ac
ted
b
ased
o
n
th
e
ei
g
en
v
alu
e
cr
iter
io
n
=
3
.
9
3
0
(
>1
)
,
s
o
th
ese
f
iv
e
f
ac
to
r
s
s
u
m
m
ar
ized
th
e
in
f
o
r
m
atio
n
o
f
2
5
o
b
s
er
v
ed
v
a
r
iab
les
en
ter
ed
i
n
to
E
FA
in
th
e
b
est
way
.
T
h
e
to
tal
v
ar
ian
ce
ex
tr
ac
ted
b
y
t
h
ese
f
iv
e
f
ac
t
o
r
s
was
6
7
.
9
0
5
%>5
0
%,
s
o
th
e
f
iv
e
ex
tr
ac
ted
f
ac
t
o
r
s
ex
p
lain
e
d
6
7
.
9
0
5
%
o
f
t
h
e
d
ata
v
ar
iatio
n
o
f
2
5
o
b
s
er
v
ed
v
a
r
iab
les
p
ar
ticip
atin
g
in
E
FA.
Fu
r
th
er
m
o
r
e,
th
e
r
esu
lts
o
f
th
e
E
FA
r
o
tatio
n
m
atr
ix
an
aly
s
is
ar
e
s
h
o
wn
in
T
ab
le
3
.
T
h
e
r
esu
lts
o
f
th
e
E
FA
r
o
tatio
n
m
atr
ix
an
aly
s
is
f
r
o
m
T
ab
le
3
s
h
o
w
th
at
th
e
f
iv
e
ex
tr
ac
te
d
f
ac
to
r
s
ar
e
co
n
s
is
ten
t
with
th
e
th
e
o
r
etica
l
s
tr
u
ctu
r
e
o
f
th
e
m
o
d
el,
with
t
h
e
o
b
s
er
v
ed
v
ar
iab
les
all
l
o
ad
in
g
s
tr
o
n
g
ly
o
n
th
e
co
r
r
ec
t
f
ac
to
r
g
r
o
u
p
(
>0
.
7
5
)
.
Sp
ec
if
ically
,
t
h
e
r
eliab
ilit
y
g
r
o
u
p
(
T
1
–
T
5
)
h
as
lo
a
d
in
g
f
ac
to
r
s
r
an
g
in
g
f
r
o
m
0
.
8
0
8
to
0
.
8
6
1
;
th
e
im
p
lem
en
tatio
n
co
n
d
itio
n
s
g
r
o
u
p
(
I
C
1
–
I
C
5
)
lo
ad
s
f
r
o
m
0
.
8
1
0
to
0
.
8
4
0
;
th
e
c
o
m
p
eten
ce
g
r
o
u
p
(
C
1
–
C
5
)
lo
ad
s
f
r
o
m
0
.
8
1
4
t
o
0
.
8
3
1
;
th
e
e
m
p
ath
y
g
r
o
u
p
(
E
1
–
E
5
)
l
o
ad
s
f
r
o
m
0
.
7
8
7
to
0
.
8
3
2
;
an
d
th
e
r
esp
o
n
s
iv
en
ess
g
r
o
u
p
(
R
1
–
R
5
)
lo
ad
s
f
r
o
m
0
.
7
8
2
to
0
.
8
2
4
.
T
h
e
lo
ad
in
g
f
ac
to
r
s
all
ex
ce
ed
th
e
p
r
o
p
o
s
ed
th
r
esh
o
ld
o
f
0
.
5
0
,
i
n
d
icatin
g
th
at
th
e
s
ca
le
h
as
g
o
o
d
co
n
v
e
r
g
en
t
a
n
d
d
is
cr
im
in
an
t
v
alid
it
y
[
3
5
]
.
T
h
is
r
esu
lt
also
co
n
f
ir
m
s
th
at
t
h
e
f
iv
e
-
f
ac
to
r
s
tr
u
ct
u
r
e
is
a
p
p
r
o
p
r
ia
te
an
d
f
u
lly
r
e
f
lects
th
e
as
p
ec
ts
o
f
ad
v
o
ca
cy
SERVQU
AL
in
p
r
im
ar
y
s
ch
o
o
l so
cial
wo
r
k
b
ased
o
n
th
e
SERVQUAL
m
o
d
el
[
3
4
]
.
Fo
r
th
e
d
ep
en
d
e
n
t
v
ar
iab
le
o
f
teac
h
er
s
'
s
atis
f
ac
tio
n
with
ad
v
o
ca
cy
s
er
v
ices
in
s
o
cial
wo
r
k
at
p
r
im
ar
y
s
ch
o
o
ls
,
th
e
r
esu
lts
o
f
th
e
E
F
A
s
h
o
wed
th
at
th
e
s
ca
le
r
ea
ch
ed
a
lev
el
o
f
s
tatis
tical
s
u
itab
ilit
y
.
T
h
e
KM
O
in
d
ex
r
ea
ch
ed
0
.
7
7
9
,
ex
ce
e
d
in
g
th
e
m
in
im
u
m
th
r
esh
o
ld
o
f
0
.
5
,
an
d
th
e
B
ar
tlett
’
s
t
est
h
ad
a
p
=0
.
0
0
1
(
<
0
.
0
5
)
,
co
n
f
ir
m
in
g
th
at
th
e
d
ata
wer
e
co
m
p
letely
s
u
itab
le
f
o
r
f
ac
to
r
an
aly
s
is
[
3
5
]
,
[
3
6
]
.
T
h
e
f
ac
to
r
ex
tr
ac
tio
n
r
esu
lts
s
h
o
wed
th
at
a
s
in
g
le
f
ac
to
r
was
f
o
r
m
ed
with
eig
en
v
al
u
e
=2
.
6
1
9
(
>1
)
,
r
ef
lectin
g
th
e
v
alid
ity
ac
co
r
d
in
g
t
o
Kaiser
cr
iter
ia.
T
h
e
to
tal
v
ar
ia
n
ce
ex
tr
ac
ted
r
ea
c
h
ed
5
2
.
3
7
6
%,
ex
ce
ed
in
g
th
e
t
h
r
esh
o
ld
o
f
5
0
%,
in
d
icatin
g
th
at
th
is
f
ac
to
r
ex
p
lain
e
d
m
o
r
e
t
h
a
n
h
alf
o
f
th
e
v
ar
iatio
n
o
f
t
h
e
f
iv
e
o
b
s
er
v
ed
v
ar
iab
les
in
th
e
s
ca
le.
T
h
e
r
o
tatio
n
m
atr
ix
s
h
o
ws
th
at
all
f
iv
e
o
b
s
er
v
ed
v
ar
iab
les
lo
ad
o
n
t
o
th
e
s
am
e
f
ac
to
r
with
f
ac
to
r
lo
ad
in
g
s
:
S5
=0
.
7
5
8
;
S3
=0
.
7
5
1
; S2
=0
.
7
2
1
; S4
=0
.
7
1
7
; S1
=0
.
6
6
8
,
r
esp
ec
tiv
ely
.
T
h
e
lo
ad
in
g
s
ar
e
all
h
ig
h
er
th
an
th
e
th
r
esh
o
ld
o
f
0
.
5
,
d
em
o
n
s
tr
atin
g
g
o
o
d
co
n
v
er
g
e
n
ce
o
f
th
e
m
ea
s
u
r
ed
v
ar
ia
b
les
an
d
co
n
f
ir
m
i
n
g
th
e
u
n
id
im
en
s
io
n
al
s
tr
u
ctu
r
e
o
f
th
e
s
ca
le.
T
h
ese
r
esu
lts
s
h
o
w
t
h
at
th
e
s
atis
f
ac
tio
n
s
ca
le
h
as
g
o
o
d
co
n
v
er
g
en
t
v
alid
ity
an
d
is
s
u
itab
le
f
o
r
u
s
e
in
s
u
b
s
eq
u
en
t
an
al
y
s
es
[
3
5
]
.
T
h
u
s
,
th
e
r
esu
lts
o
f
r
eliab
ilit
y
t
esti
n
g
an
d
E
FA
s
h
o
w
th
at
a
ll
s
ca
les
m
ee
t
th
e
Evaluation Warning : The document was created with Spire.PDF for Python.
I
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2
2
5
2
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8
8
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2
I
n
t
J
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v
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&
R
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d
u
c
,
Vo
l
.
15
,
No
.
4
,
Au
g
u
s
t
20
26
:
3
5
0
8
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3
5
1
7
3512
r
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r
eq
u
ir
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with
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’
s
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lp
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co
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f
icie
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>0
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7
an
d
item
-
t
o
tal
co
r
r
elatio
n
co
ef
f
icien
t
ex
ce
ed
in
g
th
e
th
r
esh
o
ld
o
f
0
.
3
.
E
FA
an
aly
s
is
co
n
f
ir
m
ed
th
e
f
iv
e
-
f
ac
to
r
s
tr
u
ctu
r
e
with
lo
ad
i
n
g
f
ac
to
r
s
all
>0
.
5
,
en
s
u
r
in
g
g
o
o
d
co
n
v
er
g
en
t
a
n
d
d
is
cr
im
in
an
t
v
alid
ity
.
T
h
is
co
n
f
ir
m
s
th
at
th
e
s
ca
les
u
s
ed
in
t
h
e
s
tu
d
y
h
a
v
e
h
ig
h
r
eliab
ilit
y
an
d
a
r
e
s
u
itab
le
f
o
r
in
clu
s
io
n
in
s
u
b
s
eq
u
e
n
t
an
aly
s
es.
T
ea
ch
er
s
'
s
ati
s
f
ac
tio
n
lev
el
with
s
o
cial
wo
r
k
s
er
v
ices in
p
r
im
ar
y
s
ch
o
o
ls
is
s
h
o
wn
in
T
ab
le
4
o
n
d
if
f
e
r
en
t
asp
ec
ts
.
T
ab
le
3
.
R
o
tated
co
m
p
o
n
en
t
m
atr
ix
o
f
t
h
e
in
d
e
p
en
d
e
n
t v
ar
i
ab
les
V
a
r
i
a
b
l
e
s
1
2
3
4
5
T1
0
.
8
6
1
T4
0
.
8
5
5
T2
0
.
8
4
1
T3
0
.
8
3
6
T5
0
.
8
0
8
I
C
2
0
.
8
4
0
I
C
4
0
.
8
3
1
I
C
1
0
.
8
2
8
I
C
3
0
.
8
1
7
I
C
5
0
.
8
1
0
C5
0
.
8
3
1
C4
0
.
8
2
2
C2
0
.
8
1
9
C3
0
.
8
1
6
C1
0
.
8
1
4
E3
0
.
8
3
2
E1
0
.
8
3
0
E2
0
.
8
3
0
E4
0
.
8
1
0
E5
0
.
7
8
7
R5
0
.
8
2
4
R4
0
.
8
0
3
R3
0
.
7
9
4
R2
0
.
7
9
1
T
ab
le
4
.
Satis
f
ac
tio
n
with
ad
v
o
ca
cy
s
er
v
ices in
p
r
im
ar
y
s
ch
o
o
l so
cial
wo
r
k
(
n
=3
9
8
)
V
a
r
i
a
b
l
e
s
M
i
n
i
m
u
m
M
a
x
i
m
u
m
M
SD
Tr
u
st
2
.
6
0
5
.
0
0
4
.
0
0
0
.
3
9
R
e
s
p
o
n
s
i
v
e
n
e
ss
1
.
2
0
5
.
0
0
3
.
9
1
0
.
5
4
C
a
p
a
c
i
t
y
1
.
6
0
4
.
8
0
3
.
8
9
0
.
5
2
Emp
a
t
h
y
1
.
6
0
4
.
8
0
3
.
9
1
0
.
5
2
C
o
n
d
i
t
i
o
n
s
o
f
i
m
p
l
e
me
n
t
a
t
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o
n
2
.
8
0
4
.
8
0
3
.
8
9
0
.
3
5
S
a
t
i
sf
a
c
t
i
o
n
3
.
2
0
4
.
8
0
4
.
0
1
0
.
2
7
T
ea
ch
er
s
wh
o
p
ar
ticip
ated
in
th
e
s
u
r
v
ey
(
n
=
3
9
8
)
g
en
er
ally
g
av
e
p
o
s
itiv
e
ev
alu
atio
n
s
o
f
t
h
e
q
u
ality
o
f
a
d
v
o
ca
c
y
s
er
v
ices
in
p
r
im
a
r
y
s
ch
o
o
l
s
o
cial
wo
r
k
.
Descr
i
p
tiv
e
r
esu
lts
s
h
o
wed
th
at
th
e
o
v
er
all
s
atis
f
ac
tio
n
lev
el
was
q
u
ite
h
i
g
h
(
M=
4
.
0
1
,
SD=0
.
2
7
)
,
r
ef
lectin
g
a
r
elativ
ely
lar
g
e
c
o
n
s
en
s
u
s
am
o
n
g
teac
h
er
s
.
Am
o
n
g
th
e
co
m
p
o
n
en
ts
o
f
SERVQUAL
,
“
r
eliab
ilit
y
”
was
r
ated
th
e
h
ig
h
est
(
M=
4
.
0
0
,
SD=0
.
3
9
)
,
in
d
i
ca
tin
g
th
at
teac
h
er
s
b
eliev
ed
th
at
s
o
cial
wo
r
k
er
s
f
u
lf
illed
th
eir
p
r
o
f
ess
io
n
al
co
m
m
itm
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ts
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d
m
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e
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(
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9
1
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4
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2
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n
d
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e
m
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ath
y
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(
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5
2
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wer
e
r
ate
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at
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air
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t
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elati
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ely
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ar
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iatio
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s
s
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ig
n
if
ican
t
d
if
f
er
en
ce
s
in
teac
h
er
s
'
p
e
r
ce
p
tio
n
s
b
etwe
en
s
ch
o
o
ls
o
r
s
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ec
if
ic
s
u
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r
t
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atio
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T
h
e
f
ac
to
r
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im
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lem
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o
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itiv
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ati
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(
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8
9
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3
5
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,
r
e
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lectin
g
th
e
r
elativ
ely
s
ec
u
r
e
f
ac
ilit
ies
an
d
s
er
v
ice
o
r
g
an
izatio
n
e
n
v
ir
o
n
m
en
t.
O
v
er
all,
th
ese
r
atin
g
s
s
h
o
w
th
at
teac
h
er
s
p
er
ce
iv
e
ad
v
o
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cy
s
er
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ices
to
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e
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r
o
v
id
ed
with
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o
o
d
q
u
ality
lev
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u
t
th
e
r
e
ar
e
s
till
in
co
n
s
is
ten
cies
in
s
o
m
e
asp
ec
ts
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elate
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to
th
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es
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o
n
s
iv
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ess
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d
p
r
o
f
ess
io
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k
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f
s
o
cial
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r
k
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s
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ea
ch
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s
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s
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tis
f
ac
tio
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with
th
e
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u
ality
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f
ad
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c
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er
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ices
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wo
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k
in
p
r
im
ar
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ch
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al
s
o
ev
alu
ated
b
y
d
if
f
e
r
en
t
asp
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ts
s
u
ch
as:
g
en
d
er
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ag
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eth
n
icity
,
lo
ca
tio
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,
r
eg
io
n
,
s
en
io
r
ity
a
n
d
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u
ca
ti
o
n
lev
el
.
I
n
d
ep
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d
en
t
t
-
test
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aly
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is
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cted
to
co
m
p
ar
e
th
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f
ac
tio
n
lev
el
o
f
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k
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c
y
SERVQU
AL
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etwe
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p
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h
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tically
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ig
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ican
t
d
if
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ce
b
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d
f
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ter
m
s
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“
r
eliab
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(
t(
3
9
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4
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,
p
>0
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0
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p
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itio
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(
t(
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6
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o
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tically
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ig
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t
d
if
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ce
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ap
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m
an
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p
o
r
tan
t
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m
p
o
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ts
o
f
SERVQUAL
.
Sp
ec
if
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,
m
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teac
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esp
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0
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d
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m
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8
9
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0
0
1
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h
ig
h
er
th
an
f
e
m
ale
teac
h
er
s
.
Ho
w
ev
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th
er
e
was
n
o
s
ig
n
if
ican
t
d
if
f
er
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c
e
b
etwe
en
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g
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s
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n
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3
9
8
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h
e
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t
t
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ce
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g
r
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p
s
in
all
s
e
r
v
ice
c
o
m
p
o
n
e
n
ts
,
i
n
c
lu
d
i
n
g
:
“
r
eli
ab
ili
ty
”
(
F
(
4
,
3
9
3
)
=3
.
2
8
,
p
=
0
.
0
1
2
)
,
“
r
es
p
o
n
s
i
v
e
n
ess
”
(
F
(
4
,
3
9
3
)
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.
2
5
,
p
=
0
.
0
1
2
)
,
“
c
o
m
p
ete
n
ce
”
(
F(
4
,
3
9
3
)
=
4
.
2
1
,
p
=0
.
0
0
2
)
,
“
e
m
p
at
h
y
”
(
F(
4
,
3
9
3
)
=
4
.
2
9
,
p
=
0
.
0
0
2
)
,
“
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m
p
le
m
e
n
ta
ti
o
n
co
n
d
it
io
n
s
”
(
F
(
4
,
3
9
3
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3
.
3
9
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p
=
0
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0
1
0
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a
n
d
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v
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l
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atis
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cti
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n
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9
3
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.
9
3
,
p
=
0
.
0
2
1
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.
L
o
o
k
i
n
g
a
t
t
h
e
m
e
an
v
al
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es,
it
i
s
e
v
i
d
e
n
t
t
h
a
t
t
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ch
e
r
s
ag
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o
v
e
r
5
5
c
o
n
s
is
te
n
t
ly
g
a
v
e
th
e
h
i
g
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est
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f
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4
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0
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t
o
4
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1
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h
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le
th
o
s
e
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n
d
e
r
2
5
g
e
n
e
r
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ll
y
h
a
d
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o
we
r
m
ea
n
s
c
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t
h
a
n
t
h
e
o
t
h
e
r
g
r
o
u
p
s
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M
f
r
o
m
3
.
6
1
t
o
3
.
8
9
)
.
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h
e
m
i
d
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le
-
ag
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g
r
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p
s
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5
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4
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e
a
r
s
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t
en
d
ed
t
o
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v
e
f
ai
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l
y
av
e
r
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g
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n
d
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el
at
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ly
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t
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le
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ati
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f
lu
ct
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a
ti
n
g
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r
o
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n
d
3
.
8
0
–
4
.
0
2
.
T
h
is
s
u
g
g
ests
th
at
a
g
e
is
a
s
i
g
n
if
ica
n
t
f
ac
t
o
r
i
n
f
l
u
e
n
ci
n
g
t
ea
c
h
er
s
’
p
e
r
c
e
p
ti
o
n
s
o
f
th
e
q
u
al
it
y
o
f
a
d
v
o
c
ac
y
s
er
v
i
ce
s
;
s
p
e
ci
f
ic
all
y
,
o
l
d
e
r
tea
ch
er
s
s
h
o
we
d
m
o
r
e
p
o
s
iti
v
e
r
at
in
g
s
o
f
th
e
ef
f
e
cti
v
en
ess
o
f
s
u
p
p
o
r
t,
p
r
o
f
ess
i
o
n
a
l
c
o
m
p
ete
n
c
e,
a
n
d
em
p
a
th
y
o
f
p
r
im
ar
y
s
c
h
o
o
l s
o
c
ial
w
o
r
k
er
s
.
T
ab
le
5
s
h
o
ws
th
e
r
esu
lts
o
f
th
e
in
d
ep
en
d
en
t
t
-
test
an
aly
s
is
co
n
d
u
cted
to
c
o
m
p
ar
e
th
e
lev
el
o
f
s
atis
f
ac
tio
n
with
th
e
q
u
ality
o
f
p
h
y
s
ical
ed
u
ca
tio
n
s
er
v
ices
b
etwe
en
Kin
h
teac
h
er
s
(
n
=
3
6
2
)
an
d
teac
h
er
s
f
r
o
m
eth
n
ic
m
in
o
r
ities
(
n
=3
6
)
.
T
h
e
r
esu
lts
s
h
o
wed
th
at
th
er
e
was
n
o
s
tatis
tically
s
ig
n
if
ican
t
d
if
f
er
en
ce
b
etwe
en
th
e
two
g
r
o
u
p
s
f
o
r
th
e
co
m
p
o
n
en
ts
“
r
eliab
ilit
y
”
(
t(
3
9
6
)
=1
.
3
1
,
p
=0
.
1
8
9
)
,
“
r
esp
o
n
s
iv
en
e
s
s
”
(
t(
3
9
6
)
=
–
0
.
2
3
,
p
=0
.
8
1
8
)
,
“
c
o
m
p
eten
ce
”
(
t(
3
9
6
)
=0
.
2
6
,
p
=
0
.
7
8
8
)
,
“
e
m
p
ath
y
”
(
t(
3
9
6
)
=
–
0
.
0
2
,
p
=0
.
9
8
0
)
a
n
d
“
i
m
p
lem
en
tatio
n
co
n
d
itio
n
s
”
(
t(
3
9
6
)
=
0
.
6
4
,
p
=0
.
5
2
1
)
.
T
h
is
s
h
o
ws
th
at
teac
h
er
s
f
r
o
m
d
if
f
e
r
en
t
eth
n
icities
g
e
n
er
ally
h
av
e
s
im
ilar
ass
es
s
m
en
ts
o
f
th
e
q
u
ality
o
f
ad
v
o
ca
cy
s
er
v
ice
asp
ec
ts
.
Ho
wev
er
,
th
e
r
esu
lts
n
o
te
d
a
s
tatis
tically
s
ig
n
if
ican
t
d
if
f
er
en
ce
in
th
e
lev
el
o
f
“
o
v
er
all
s
atis
f
ac
tio
n
”
(
t(
3
9
6
)
=
–
2
.
0
6
,
p
=0
.
0
4
0
)
,
in
w
h
ich
eth
n
ic
m
in
o
r
ity
teac
h
er
s
r
ep
o
r
ted
h
ig
h
er
s
atis
f
ac
tio
n
(
M=
4
.
1
0
,
SD=0
.
2
6
)
t
h
an
Ki
n
h
teac
h
e
r
s
(
M=
4
.
0
0
,
SD=0
.
2
7
)
.
Alth
o
u
g
h
th
is
d
if
f
er
en
ce
was
n
o
t
lar
g
e
in
t
er
m
s
o
f
m
ea
n
v
alu
es,
it
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p
>0
.
0
5
)
.
O
n
th
e
o
th
er
h
an
d
,
ANOV
A
an
aly
s
is
b
y
ed
u
ca
tio
n
al
le
v
el
s
h
o
wed
s
tatis
t
ically
s
ig
n
if
ica
n
t
d
if
f
er
en
ce
s
in
th
e
two
f
ac
to
r
s
“
r
eliab
ilit
y
”
(
p
<0
.
0
0
1
)
an
d
“
im
p
lem
en
tatio
n
c
o
n
d
itio
n
s
”
(
p
=0
.
0
2
2
)
.
T
ea
ch
er
s
with
a
b
ac
h
elo
r
'
s
d
eg
r
ee
r
ated
th
ese
two
f
ac
to
r
s
h
ig
h
er
th
an
th
e
m
aster
'
s
d
eg
r
ee
g
r
o
u
p
.
Ho
wev
er
,
th
e
r
e
wer
e
n
o
s
ig
n
if
ican
t
d
if
f
er
e
n
ce
s
b
etwe
en
t
h
e
two
g
r
o
u
p
s
in
r
esp
o
n
s
iv
en
ess
,
co
m
p
eten
ce
,
e
m
p
ath
y
,
an
d
o
v
er
all
s
atis
f
ac
tio
n
(
p
>0
.
0
5
)
.
E
v
alu
atin
g
teac
h
er
s
’
s
atis
f
ac
tio
n
with
a
d
v
o
c
ac
y
s
er
v
ices
n
o
t
o
n
l
y
p
r
o
v
id
es
d
ata
r
ef
l
ec
tin
g
th
e
ef
f
ec
tiv
en
ess
o
f
s
o
cial
wo
r
k
im
p
lem
en
tatio
n
in
p
r
im
ar
y
s
ch
o
o
ls
b
u
t
also
allo
ws
id
en
tify
in
g
k
e
y
f
ac
to
r
s
in
f
lu
en
cin
g
th
is
p
r
o
ce
s
s
.
C
o
r
r
elatio
n
an
aly
s
is
b
etwe
en
f
ac
to
r
s
will
h
elp
g
u
id
e
s
o
lu
tio
n
s
to
im
p
r
o
v
e
s
er
v
ices
in
th
e
f
u
tu
r
e.
T
h
is
r
esu
lt
is
s
h
o
wn
in
T
ab
le
7
.
Pear
s
o
n
co
r
r
elatio
n
an
aly
s
is
s
h
o
wed
th
at
th
e
ad
v
o
ca
cy
SERVQU
AL
f
ac
to
r
s
all
h
ad
a
p
o
s
itiv
e
r
elatio
n
s
h
ip
wit
h
th
e
s
atis
f
ac
tio
n
o
f
p
r
im
ar
y
s
ch
o
o
l
teac
h
er
s
.
Sp
ec
if
ically
,
“
r
eliab
ilit
y
”,
“r
e
s
p
o
n
s
iv
en
ess
”,
“e
m
p
ath
y
”,
a
n
d
“im
p
lem
e
n
tatio
n
co
n
d
itio
n
s
”
h
ad
a
s
tatis
tically
s
ig
n
if
ican
t
p
o
s
itiv
e
co
r
r
elatio
n
with
s
atis
f
ac
tio
n
lev
els,
wh
ile
“
c
o
m
p
eten
ce
”
h
ad
a
p
o
s
itiv
e
co
r
r
elatio
n
b
u
t
n
o
t
a
s
tatis
tically
s
ig
n
if
ican
t
o
n
e.
T
h
e
s
er
v
ice
f
ac
t
o
r
s
also
h
ad
a
s
tr
o
n
g
co
r
r
elatio
n
with
ea
ch
o
th
er
(
r
=0
.
4
6
8
–
0
.
8
3
9
,
p
<
0
.
0
1
)
,
in
d
i
ca
tin
g
th
at
wh
en
th
ese
asp
ec
ts
wer
e
p
er
f
o
r
m
ed
well
s
im
u
ltan
eo
u
s
ly
,
th
e
o
v
er
all
s
atis
f
ac
tio
n
lev
el
wo
u
ld
b
e
h
i
g
h
er
,
co
n
s
is
ten
t w
ith
th
e
SERV
QUAL
m
o
d
el
[
3
4
]
.
T
a
b
le
7
.
C
o
r
r
el
ati
o
n
o
f
f
ac
t
o
r
s
an
d
te
ac
h
e
r
s
'
s
a
tis
f
ac
ti
o
n
wi
th
ad
v
o
c
ac
y
s
er
v
i
ce
s
i
n
p
r
i
m
a
r
y
s
ch
o
o
l
s
o
cia
l w
o
r
k
V
a
r
i
a
b
l
e
s
1
2
3
4
5
6
1
.
Tr
u
s
t
1
2
.
R
e
s
p
o
n
s
i
v
e
n
e
ss
0
.
1
2
2
*
1
3
.
C
a
p
a
c
i
t
y
0
.
1
3
9
**
0
.
5
4
3
**
1
4
.
Emp
a
t
h
y
0
.
0
9
5
*
0
.
5
6
7
**
0
.
8
2
2
**
1
5
.
C
o
n
d
i
t
i
o
n
s
o
f
i
m
p
l
e
m
e
n
t
a
t
i
o
n
0
.
1
1
5
*
0
.
5
5
6
**
0
.
8
0
5
**
0
.
8
3
9
**
1
6
.
S
a
t
i
sf
a
c
t
i
o
n
0
.
1
2
7
*
0
.
4
6
8
**
0
.
4
7
5
**
0
.
4
7
1
**
0
.
4
8
2
**
1
*
p
<
0
.
0
5
;
*
*
p
<
0
.
0
1
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t
J
E
v
al
&
R
es E
d
u
c
I
SS
N:
2252
-
8
8
2
2
Th
e
q
u
a
lity o
f
a
d
vo
c
a
cy
s
ervices in
p
r
ima
r
y
s
ch
o
o
l so
cia
l wo
r
k
fr
o
m
th
e
p
ers
p
ec
tive
…
(
Ha
V
a
n
Ho
a
n
g
)
3515
T
h
e
r
esu
lts
s
h
o
wed
th
at
p
r
im
ar
y
s
ch
o
o
l
teac
h
er
s
wer
e
g
en
er
ally
q
u
ite
s
atis
f
ied
with
ad
v
o
ca
cy
s
er
v
ices
in
s
ch
o
o
l
s
o
cial
wo
r
k
,
s
im
ilar
to
p
r
e
v
io
u
s
s
tu
d
ies
o
n
th
e
r
o
le
o
f
SERVQUAL
in
im
p
r
o
v
in
g
th
e
ef
f
ec
tiv
en
ess
o
f
e
d
u
ca
t
io
n
al
s
u
p
p
o
r
t
[
3
2
]
.
De
m
o
g
r
a
p
h
i
c
a
n
aly
s
is
s
h
o
we
d
t
h
a
t
g
e
n
d
er
a
n
d
a
g
e
h
a
d
a
ce
r
ta
in
in
f
l
u
e
n
c
e:
m
ale
t
ea
c
h
er
s
r
at
ed
h
i
g
h
e
r
o
n
r
es
p
o
n
s
i
v
e
n
ess
,
c
o
m
p
et
e
n
ce
,
a
n
d
em
p
a
th
y
;
t
ea
ch
er
s
o
v
er
5
5
y
ea
r
s
o
l
d
h
ad
a
m
o
r
e
p
o
s
itiv
e
r
atin
g
,
s
u
g
g
esti
n
g
th
at
p
r
o
f
ess
io
n
al
ex
p
er
ien
ce
ca
n
in
c
r
ea
s
e
tr
u
s
t in
s
u
p
p
o
r
t ser
v
ices
[
3
6
]
.
Me
an
wh
ile,
eth
n
icity
an
d
ed
u
ca
tio
n
al
lev
el
o
n
ly
af
f
ec
te
d
s
o
m
e
f
ac
to
r
s
s
u
ch
as
r
eliab
ilit
y
an
d
im
p
lem
en
tatio
n
co
n
d
itio
n
s
,
wh
ile
o
v
er
all
s
atis
f
ac
tio
n
lev
els
wer
e
alm
o
s
t
th
e
s
am
e
ac
r
o
s
s
g
r
o
u
p
s
.
C
o
n
v
er
s
ely
,
g
eo
g
r
a
p
h
ical
lo
ca
tio
n
an
d
r
eg
io
n
h
ad
a
s
ig
n
if
ican
t
in
f
l
u
en
c
e,
with
teac
h
er
s
in
u
r
b
an
ar
ea
s
,
th
e
n
o
r
th
,
an
d
th
e
ce
n
tr
al
r
e
g
io
n
r
atin
g
s
er
v
ices
h
ig
h
er
,
r
ef
lectin
g
d
if
f
er
en
ce
s
in
r
eso
u
r
ce
s
a
n
d
ac
ce
s
s
to
s
o
cial
wo
r
k
s
er
v
ices
[
3
7
]
,
[
3
8
]
.
Sen
i
o
r
ity
o
n
ly
s
li
g
h
tly
af
f
ec
ted
th
e
f
ac
to
r
s
“
r
e
liab
ilit
y
”
an
d
“e
m
p
ath
y
,
”
s
u
g
g
esti
n
g
th
at
w
o
r
k
ex
p
er
ien
ce
h
elp
s
f
o
r
m
a
m
o
r
e
d
etailed
p
er
ce
p
tio
n
o
f
SERVQUAL
b
u
t
d
o
es
n
o
t
s
ig
n
i
f
ican
tly
ch
an
g
e
o
v
e
r
all
s
atis
f
ac
tio
n
lev
els.
Ov
er
all,
f
ac
to
r
s
s
u
c
h
as
tr
u
s
two
r
th
in
ess
,
r
esp
o
n
s
iv
en
ess
,
e
m
p
ath
y
,
an
d
im
p
lem
en
tatio
n
co
n
d
itio
n
s
p
lay
an
im
p
o
r
ta
n
t
r
o
le
in
en
h
an
cin
g
teac
h
e
r
s
atis
f
ac
tio
n
,
c
o
n
s
is
ten
t
with
s
ev
er
al
s
tu
d
ies
[
3
2
]
,
[
3
9
]
,
a
n
d
also
s
h
o
w
th
at
s
y
n
ch
r
o
n
o
u
s
ly
im
p
r
o
v
in
g
s
er
v
ice
asp
ec
ts
will
co
n
tr
ib
u
te
to
en
h
a
n
cin
g
th
e
ef
f
e
ctiv
en
ess
o
f
s
ch
o
o
l
s
o
cial
wo
r
k
in
th
e
c
o
n
tex
t
o
f
cu
r
r
en
t
ed
u
ca
tio
n
al
i
n
n
o
v
atio
n
.
I
n
p
a
r
ticu
lar
,
d
ev
elo
p
in
g
h
u
m
a
n
r
eso
u
r
ce
s
,
s
tr
en
g
th
en
in
g
im
p
lem
en
tatio
n
co
n
d
itio
n
s
,
an
d
f
o
s
ter
in
g
in
ter
d
is
cip
lin
ar
y
co
o
p
er
atio
n
will
s
ig
n
if
ican
tly
co
n
tr
ib
u
te
t
o
im
p
r
o
v
in
g
th
e
q
u
ality
o
f
ad
v
o
ca
cy
s
er
v
ices
in
p
ar
ticu
lar
an
d
s
ch
o
o
l
s
o
ci
al
wo
r
k
s
er
v
ices
i
n
g
en
er
al
in
Vietn
am
.
4.
CO
NCLU
SI
O
N
T
h
is
s
tu
d
y
s
h
o
ws
th
at
p
r
im
ar
y
s
ch
o
o
l
teac
h
er
s
’
s
atis
f
ac
tio
n
with
s
o
cial
wo
r
k
ad
v
o
ca
cy
s
er
v
ices
is
g
en
er
ally
q
u
ite
g
o
o
d
,
esp
ec
i
ally
in
th
e
asp
ec
ts
o
f
r
eliab
i
lity
,
r
esp
o
n
s
iv
en
ess
,
co
m
p
ete
n
ce
,
em
p
ath
y
an
d
im
p
lem
en
tatio
n
co
n
d
itio
n
s
.
H
o
wev
er
,
teac
h
er
s
’
s
atis
f
ac
tio
n
is
in
f
lu
en
ce
d
b
y
d
em
o
g
r
ap
h
ic
ch
ar
ac
ter
is
tics
s
u
ch
as
g
en
d
er
,
ag
e,
l
o
ca
tio
n
an
d
r
eg
io
n
,
wh
ile
s
en
io
r
ity
a
n
d
ed
u
ca
tio
n
lev
el
h
a
v
e
o
n
ly
lim
ited
in
f
lu
en
ce
.
Sp
ec
if
ically
,
m
ale
teac
h
er
s
,
o
ld
er
teac
h
er
s
,
teac
h
e
r
s
liv
in
g
in
u
r
b
a
n
ar
ea
s
an
d
teac
h
e
r
s
f
r
o
m
th
e
n
o
r
t
h
an
d
ce
n
tr
al
r
eg
io
n
s
o
f
ten
r
ate
th
e
q
u
ality
o
f
s
er
v
ices
h
ig
h
er
.
Pear
s
o
n
co
r
r
elatio
n
an
aly
s
i
s
s
h
o
wed
th
at
all
SERVQU
AL
f
ac
to
r
s
h
ad
a
p
o
s
itiv
e
r
elatio
n
s
h
ip
with
o
v
e
r
all
s
atis
f
ac
tio
n
,
in
wh
ich
r
es
p
o
n
s
iv
en
ess
,
tr
u
s
t,
em
p
ath
y
,
an
d
co
n
d
itio
n
s
o
f
i
m
p
lem
en
tatio
n
wer
e
s
tatis
tica
lly
s
ig
n
if
ican
t.
I
t
is
an
in
teg
r
at
io
n
o
f
m
an
y
f
ac
to
r
s
,
in
wh
ich
th
e
ca
p
ac
ity
o
f
t
h
e
s
o
cial
wo
r
k
s
er
v
ice
team
p
la
y
s
a
lead
in
g
r
o
le.
T
h
ese
r
esu
lts
p
r
o
v
id
e
im
p
o
r
tan
t
p
r
ac
tical
im
p
licatio
n
s
f
o
r
im
p
r
o
v
in
g
th
e
q
u
ality
o
f
ad
v
o
ca
cy
s
er
v
ices
in
p
r
im
ar
y
s
ch
o
o
l
s
o
cial
wo
r
k
.
First,
m
an
a
g
er
s
an
d
p
o
licy
m
ak
er
s
s
h
o
u
ld
f
o
cu
s
o
n
im
p
r
o
v
in
g
k
ey
s
er
v
ice
elem
en
ts
s
u
ch
as
r
eliab
ilit
y
,
r
esp
o
n
s
iv
en
ess
,
an
d
e
m
p
ath
y
.
At
th
e
s
am
e
tim
e,
ap
p
r
o
p
r
iate
ad
ju
s
tm
en
ts
ar
e
n
ee
d
e
d
to
r
ed
u
ce
d
i
f
f
er
en
ce
s
in
p
er
ce
p
tio
n
s
am
o
n
g
g
r
o
u
p
s
o
f
teac
h
er
s
,
esp
ec
ially
t
ea
ch
er
s
in
r
u
r
al
o
r
r
eso
u
r
ce
-
lim
ited
ar
ea
s
.
T
r
ain
in
g
an
d
ca
p
ac
ity
d
ev
elo
p
m
e
n
t
p
r
o
g
r
am
s
f
o
r
p
r
im
a
r
y
s
ch
o
o
l
s
o
cial
wo
r
k
er
s
s
h
o
u
ld
em
p
h
asize
co
n
s
is
ten
t
s
er
v
ice
d
eliv
er
y
,
alo
n
g
with
co
m
m
u
n
icatio
n
an
d
r
elati
o
n
s
h
ip
s
k
ills
,
an
d
in
ter
d
is
cip
lin
ar
y
co
o
r
d
in
atio
n
,
to
im
p
r
o
v
e
teac
h
e
r
s
atis
f
ac
tio
n
an
d
ad
v
o
ca
cy
SERVQUAL
.
So
,
teac
h
er
s
atis
f
ac
tio
n
d
ep
en
d
s
o
n
th
e
o
v
er
all
q
u
ality
o
f
s
er
v
ice
el
em
en
ts
an
d
s
o
m
e
d
em
o
g
r
a
p
h
ic
ch
ar
ac
ter
is
tics
.
I
m
p
r
o
v
in
g
t
h
e
q
u
ality
o
f
s
er
v
ice
asp
ec
ts
will
n
o
t
o
n
l
y
im
p
r
o
v
e
teac
h
er
s
atis
f
ac
tio
n
b
u
t
also
co
n
tr
ib
u
te
to
in
cr
ea
s
in
g
th
e
ef
f
ec
tiv
en
ess
o
f
s
ch
o
o
l
s
o
cial
wo
r
k
.
T
h
ese
r
esu
lts
p
r
o
v
id
e
a
q
u
an
titativ
e
b
asis
f
o
r
p
r
o
p
o
s
in
g
p
o
licies,
s
o
lu
tio
n
s
an
d
f
u
r
th
er
r
esear
ch
d
ir
ec
tio
n
s
to
im
p
r
o
v
e
ad
v
o
ca
c
y
s
er
v
ices in
p
r
im
a
r
y
ed
u
ca
tio
n
s
ettin
g
s
.
L
im
itatio
n
s
o
f
th
e
s
tu
d
y
an
d
d
ir
ec
tio
n
s
f
o
r
f
u
tu
r
e
r
esear
c
h
:
a
lth
o
u
g
h
t
h
e
s
tu
d
y
p
r
o
v
id
es
v
alu
ab
le
in
f
o
r
m
atio
n
o
n
p
r
im
ar
y
s
ch
o
o
l
teac
h
er
s
’
s
atis
f
ac
tio
n
with
s
o
cial
wo
r
k
ad
v
o
ca
cy
s
er
v
ic
es,
th
er
e
ar
e
s
o
m
e
lim
itatio
n
s
.
T
h
e
d
ata
ar
e
b
ased
p
r
im
ar
ily
o
n
s
elf
-
r
ep
o
r
t su
r
v
e
y
s
,
ar
e
q
u
an
titativ
e
in
n
atu
r
e,
an
d
m
ay
b
e
s
u
b
ject
to
s
u
b
jectiv
e
b
ias.
I
n
a
d
d
itio
n
,
th
e
c
r
o
s
s
-
s
ec
tio
n
al
s
tu
d
y
d
o
es
n
o
t
allo
w
f
o
r
th
e
d
eter
m
in
atio
n
o
f
ca
u
s
al
r
elatio
n
s
h
ip
s
b
etwe
en
s
er
v
ice
elem
en
ts
an
d
s
atis
f
ac
tio
n
,
an
d
d
o
es
n
o
t
co
n
s
id
er
o
th
e
r
e
x
ter
n
al
f
ac
to
r
s
s
u
ch
as
p
h
y
s
ical
co
n
d
itio
n
s
o
r
wo
r
k
p
r
ess
u
r
e.
T
h
ese
lim
itatio
n
s
s
h
o
u
ld
b
e
co
n
s
id
er
e
d
in
i
n
ter
p
r
et
in
g
th
e
r
esu
lts
an
d
g
u
id
in
g
f
u
r
th
e
r
r
esear
ch
.
Fu
r
th
er
s
tu
d
ies
s
h
o
u
ld
co
m
b
in
e
q
u
alitativ
e
m
eth
o
d
s
an
d
lo
n
g
itu
d
in
al
r
esear
c
h
d
esig
n
,
wh
ile
also
c
o
n
s
id
er
in
g
co
n
te
x
tu
al
f
ac
to
r
s
s
u
ch
as
i
n
f
r
astru
ctu
r
e,
wo
r
k
en
v
ir
o
n
m
en
t,
an
d
ed
u
ca
tio
n
al
p
o
licies to
b
etter
u
n
d
er
s
tan
d
t
h
e
im
p
ac
t o
f
ad
v
o
ca
cy
s
er
v
ice
s
in
s
ch
o
o
l so
cial
wo
r
k
.
F
UNDING
I
NF
O
R
M
A
T
I
O
N
T
h
is
r
esear
ch
r
ec
eiv
ed
n
o
e
x
te
r
n
al
f
u
n
d
in
g
.
AUTHO
R
CO
NT
RI
B
UT
I
O
NS ST
A
T
E
M
E
N
T
T
h
is
jo
u
r
n
al
u
s
es
th
e
C
o
n
t
r
ib
u
to
r
R
o
les
T
a
x
o
n
o
m
y
(
C
R
ed
iT)
to
r
ec
o
g
n
ize
in
d
iv
i
d
u
al
au
th
o
r
co
n
tr
ib
u
tio
n
s
,
r
ed
u
ce
au
th
o
r
s
h
ip
d
is
p
u
tes,
an
d
f
ac
ilit
ate
co
llab
o
r
atio
n
.
Evaluation Warning : The document was created with Spire.PDF for Python.
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DATA AV
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q
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est.
RE
F
E
R
E
NC
E
S
[
1
]
T.
M
.
A
.
G
.
I
b
r
a
h
i
m,
“
Th
e
e
v
o
l
v
i
n
g
r
o
l
e
o
f
so
c
i
a
l
w
o
r
k
e
r
s
i
n
mo
d
e
r
n
so
c
i
e
t
y
,
”
J
o
u
r
n
a
l
o
f
C
u
l
t
u
ra
l
A
n
a
l
y
s
i
s
a
n
d
S
o
c
i
a
l
C
h
a
n
g
e
,
v
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l
.
1
0
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o
.
3
,
p
p
.
1
1
2
–
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1
7
,
N
o
v
.
2
0
2
5
,
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o
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:
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6
4
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5
3
/
j
c
a
sc.
v
1
0
i
3
.
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3
8
7
.
[
2
]
N
.
T.
M
.
H
ồ
n
g
a
n
d
V
.
H
.
N
h
u
n
g
,
“
R
o
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e
o
f
sc
h
o
o
l
s
o
c
i
a
l
w
o
r
k
e
r
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a
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sh
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p
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f
a
mi
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,
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V
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”
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o
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a
l
o
f
S
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e
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Ed
u
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0
.
[
3
]
R
.
B
a
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k
a
d
y
,
“
S
o
c
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a
l
w
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k
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d
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a
c
y
,
”
i
n
G
l
o
b
a
l
S
o
c
i
a
l
W
o
r
k
:
H
u
m
a
n
R
i
g
h
t
s
,
A
d
v
o
c
a
c
y
,
a
n
d
S
u
s
t
a
i
n
a
b
i
l
i
t
y
:
A
M
a
c
h
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n
e
-
G
e
n
e
r
a
t
e
d
L
i
t
e
r
a
t
u
r
e
O
v
e
r
v
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e
w
,
R
.
B
a
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k
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d
y
,
E
d
.
,
S
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g
a
p
o
r
e
:
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.
[
4
]
A
.
B
a
l
l
a
n
d
C
.
S
k
r
z
y
p
e
k
,
“
S
c
h
o
o
l
s
o
c
i
a
l
w
o
r
k
a
n
d
t
h
e
e
d
u
c
a
t
i
o
n
a
l
j
u
st
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c
e
m
o
v
e
me
n
t
:
a
s
n
a
p
s
h
o
t
o
f
p
r
a
c
t
i
c
e
,
”
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h
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l
d
re
n
a
n
d
S
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o
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s
,
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.
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p
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,
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u
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0
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1
0
9
3
/
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s/
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d
a
a
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1
4
.
[
5
]
A
.
P
u
l
ma
n
,
H
.
S
l
o
a
n
,
a
n
d
L.
A
.
F
e
n
g
e
,
“
A
d
v
o
c
a
c
y
i
n
p
r
a
c
t
i
c
e
:
w
h
o
a
d
v
o
c
a
t
e
s
f
o
r
t
h
e
a
d
v
o
c
a
t
e
s?
”
Pr
a
c
t
i
c
e
,
v
o
l
.
3
7
,
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o
.
1
,
p
p
.
4
1
–
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7
,
Ja
n
.
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5
,
d
o
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0
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0
9
5
0
3
1
5
3
.
2
0
2
4
.
2
4
1
0
8
5
1
.
[
6
]
A
.
B
e
n
i
s
h
a
n
d
I
.
W
e
i
ss
-
G
a
l
,
“
Ta
k
e
-
u
p
a
d
v
o
c
a
c
y
i
n
s
o
c
i
a
l
w
o
r
k
p
r
a
c
t
i
c
e
:
a
c
a
r
e
-
o
r
i
e
n
t
e
d
a
p
p
r
o
a
c
h
,
”
Bri
t
i
s
h
J
o
u
r
n
a
l
o
f
S
o
c
i
a
l
Wo
r
k
,
v
o
l
.
5
4
,
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o
.
4
,
p
p
.
1
5
9
3
–
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6
0
9
,
J
u
n
.
2
0
2
4
,
d
o
i
:
1
0
.
1
0
9
3
/
b
j
sw
/
b
c
a
d
1
7
2
.
[
7
]
N
.
Ta
r
s
h
i
sh
,
P
.
D
a
v
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