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cl
u
s
i
v
e;
w
h
ile
s
o
m
e
r
esear
ch
er
s
[
1
5
]
p
o
in
ted
o
u
t
th
at
it
ca
n
b
e
co
n
s
tr
u
ct
iv
e
i
n
d
icato
r
s
,
o
th
er
r
esear
ch
es
d
e
m
o
n
s
tr
ated
t
h
at
i
t
ca
n
lead
to
n
e
g
ati
v
e
i
m
p
ac
t
o
n
s
o
m
e
d
i
m
e
n
s
io
n
s
s
u
c
h
as o
r
g
a
n
izatio
n
a
l p
er
f
o
r
m
an
ce
[
1
6
]
,
[
1
7
]
.
T
h
er
ef
o
r
e,
th
is
s
t
u
d
y
w
o
u
ld
m
ain
l
y
i
n
tr
o
d
u
ce
a
p
r
o
p
o
s
ed
f
r
am
e
w
o
r
k
w
h
ic
h
f
o
cu
s
e
s
o
n
in
t
er
p
er
s
o
n
al
co
n
f
lic
t
f
ac
to
r
s
w
h
ic
h
h
a
v
e
an
in
f
l
u
e
n
ce
o
n
I
S
s
u
cc
ess
.
T
h
e
p
r
o
p
o
s
ed
f
r
am
e
w
o
r
k
d
ep
en
d
s
o
n
th
e
w
e
ll
-
d
e
f
i
n
ed
I
S
s
u
cc
es
s
m
o
d
el
(
DeL
o
n
e
-
M
cL
ea
n
,
2
0
0
3
)
.
I
n
ad
d
itio
n
,
w
e
in
tr
o
d
u
ce
th
e
i
n
ter
p
er
s
o
n
al
c
o
n
f
lic
t
f
ac
to
r
s
t
h
at
h
av
e
n
o
t
b
ee
n
s
u
f
f
icie
n
tl
y
ex
a
m
i
n
ed
,
esp
ec
iall
y
i
n
d
ev
elo
p
in
g
co
u
n
tr
ie
s
as
i
n
Ye
m
e
n
.
T
h
ese
i
n
ter
p
er
s
o
n
a
l
co
n
f
lic
t
f
ac
to
r
s
i
n
cl
u
d
e:
in
te
r
f
er
en
ce
,
d
is
a
g
r
ee
m
e
n
t
a
n
d
in
s
tab
ili
t
y
.
T
h
e
p
r
o
p
o
s
ed
f
r
am
e
w
o
r
k
h
as
b
ee
n
v
alid
ated
th
r
o
u
g
h
o
u
t t
h
e
q
u
a
n
t
itativ
e
m
et
h
o
d
.
2.
TH
E
O
R
E
T
I
CA
L
F
RAM
E
WO
RK
T
h
is
s
ec
tio
n
p
r
ese
n
ts
t
h
e
p
r
o
p
o
s
ed
f
r
am
e
w
o
r
k
f
o
r
t
h
e
i
n
f
lu
e
n
ce
o
f
I
P
C
f
ac
to
r
s
o
n
i
n
f
o
r
m
atio
n
s
y
s
te
m
s
u
cc
e
s
s
.
Mo
r
e
s
p
ec
if
icall
y
,
th
i
s
f
r
a
m
e
w
o
r
k
i
s
to
ex
a
m
i
n
e
th
e
e
f
f
ec
t
o
f
th
e
I
P
C
f
ac
to
r
s
an
d
tech
n
o
lo
g
ical
f
ac
to
s
o
n
t
h
e
u
s
er
s
atis
f
ac
tio
n
.
Fi
g
u
r
e
1
s
h
o
w
s
th
e
p
r
o
p
o
s
ed
f
r
am
e
w
o
r
k
i
n
t
h
is
r
esear
ch
.
2
.
1
.
T
ec
hn
o
lo
g
ica
l f
a
ct
o
r
A
cc
o
r
d
in
g
to
s
ev
er
al
s
t
u
d
ies
[
18
]
-
[
20
]
th
e
tec
h
n
o
lo
g
ical
d
i
m
e
n
s
io
n
i
n
cl
u
d
es
t
h
r
ee
m
ai
n
f
ac
to
r
s
:
in
f
o
r
m
atio
n
q
u
alit
y
,
s
y
s
te
m
q
u
alit
y
an
d
s
er
v
ice
q
u
al
it
y
.
T
h
ese
s
tu
d
ie
s
p
o
in
ted
th
a
t
t
h
ese
f
ac
to
r
s
h
av
e
a
p
o
s
itiv
e
in
f
l
u
e
n
ce
o
n
u
s
er
s
atis
f
ac
tio
n
.
Fo
llo
w
i
n
g
t
h
ese
s
tu
d
ie
s
,
th
e
h
y
p
o
th
ese
s
in
t
h
is
w
o
r
k
h
a
v
e
b
ee
n
f
o
r
m
u
lated
to
lin
k
th
e
r
elatio
n
s
b
et
w
ee
n
tec
h
n
o
lo
g
ical
f
ac
to
r
s
an
d
u
s
er
s
atis
f
ac
tio
n
.
T
h
e
tech
n
o
lo
g
ical
d
i
m
en
s
io
n
is
d
ef
i
n
ed
b
y
h
o
w
w
e
ll
t
h
e
i
n
f
o
r
m
atio
n
,
s
y
s
te
m
s
,
an
d
s
er
v
i
ce
s
m
a
tc
h
th
e
n
ee
d
s
o
f
t
h
e
u
s
er
s
.
I
t
d
es
cr
ib
es
th
e
q
u
ali
t
y
o
f
a
s
y
s
te
m
i
n
ter
m
s
o
f
t
h
e
q
u
a
lit
y
o
f
th
e
i
n
f
o
r
m
atio
n
a
s
a
p
r
o
d
u
ct
o
f
t
h
e
s
y
s
te
m
,
t
h
e
q
u
alit
y
o
f
th
e
s
y
s
te
m
t
h
at
p
r
o
v
id
es
t
h
e
i
n
f
o
r
m
atio
n
,
a
n
d
t
h
e
q
u
alit
y
o
f
th
e
s
er
v
ice
p
r
o
v
id
ed
b
y
th
e
s
y
s
te
m
[
21
]
,
[
22
]
.
A
cc
o
r
d
in
g
to
[
18
]
,
tech
n
o
lo
g
ical
d
i
m
e
n
s
io
n
is
t
h
e
m
o
s
t
i
m
p
o
r
tan
t
p
ar
t
o
f
th
e
I
S
s
u
cc
e
s
s
th
eo
r
y
.
Si
n
ce
th
e
ef
f
ec
tiv
e
n
es
s
o
f
I
S
is
th
e
d
eg
r
ee
to
w
h
ic
h
th
e
i
n
f
o
r
m
atio
n
s
y
s
te
m
i
s
s
u
cc
e
s
s
f
u
l in
p
r
o
d
u
cin
g
t
h
e
d
esire
d
p
u
r
p
o
s
e,
it is
th
u
s
d
ir
ec
tl
y
p
r
o
p
o
r
tio
n
al
to
th
e
tech
n
o
lo
g
ical
d
i
m
e
n
s
io
n
.
P
r
ev
io
u
s
s
t
u
d
y
[
7
]
h
av
e
i
n
d
icate
d
th
at
tech
n
o
lo
g
ical
f
ac
to
r
s
ar
e
v
er
y
i
m
p
o
r
tan
t
i
n
ex
a
m
i
n
in
g
I
S
s
u
cc
e
s
s
[
6
]
,
[
19
]
,
[
23
]
.
I
n
f
o
r
m
atio
n
q
u
al
it
y
i
s
co
n
ce
r
n
ed
w
i
t
h
t
h
e
g
o
o
d
n
ess
an
d
ac
cu
r
a
c
y
o
f
th
e
o
u
tp
u
t
f
r
o
m
th
e
u
s
er
s
’
p
er
s
p
ec
tiv
e
(
e.
g
.
r
e
p
o
r
ts
,
an
al
y
s
is
,
an
d
d
ec
is
io
n
m
ak
in
g
)
.
S
y
s
te
m
q
u
al
it
y
r
e
f
e
r
s
to
f
ac
to
r
s
w
h
ich
m
ea
s
u
r
e
th
e
s
y
s
te
m
’
s
p
r
o
p
er
ties
s
u
c
h
as,
co
n
s
i
s
ten
c
y
,
u
s
ab
il
it
y
,
r
eliab
ilit
y
,
co
n
v
en
ien
ce
o
f
ac
ce
s
s
,
f
lex
ib
ilit
y
,
in
te
g
r
atio
n
,
r
esp
o
n
s
e
ti
m
e,
an
d
lan
g
u
a
g
e
[
2
4
]
,
[
18
]
.
Ser
v
ice
q
u
alit
y
is
th
e
q
u
a
lit
y
o
f
t
h
e
s
u
p
p
o
r
t
th
at
I
S
u
s
er
s
r
ec
eiv
e
f
r
o
m
t
h
e
s
er
v
ice
p
r
o
v
i
d
er
s
u
ch
as ta
n
g
ib
ilit
y
,
r
eliab
ilit
y
,
r
esp
o
n
s
i
v
e
n
es
s
,
ass
u
r
an
ce
,
an
d
e
m
p
ath
y
[
20
]
.
2
.
2
.
I
nte
rper
s
o
na
l c
o
nflict
(
I
P
C)
f
a
ct
o
rs
T
h
e
in
v
est
ig
ated
i
n
th
i
s
s
t
u
d
y
,
w
h
ich
ar
e
th
e
b
ase
s
f
o
r
f
o
r
m
u
lati
n
g
a
p
r
o
p
o
s
ed
f
r
a
m
e
w
o
r
k
,
ar
e
th
e
m
o
s
t a
p
p
r
o
p
r
iate
an
d
r
ele
v
an
t
to
th
e
in
ter
p
er
s
o
n
al
co
n
f
lict
f
a
cto
r
s
an
d
d
e
f
in
itio
n
s
o
b
tain
ed
f
r
o
m
th
e
liter
at
u
r
e.
R
esear
ch
er
s
i
n
p
r
ev
io
u
s
r
elate
d
s
tu
d
ies
id
en
ti
f
ied
a
n
d
r
ec
o
g
n
ized
t
w
o
f
ac
to
r
s
o
f
in
ter
p
er
s
o
n
al
co
n
f
lict
(
I
P
C
)
.
T
h
ese
f
ac
to
r
s
ar
e
in
ter
f
er
e
n
ce
an
d
d
is
ag
r
ee
m
e
n
t
[
9
]
,
[
11
]
.
Fu
r
th
er
m
o
r
e,
ac
co
r
d
in
g
to
[
25
]
in
s
tab
ilit
y
co
n
s
id
er
ed
f
ac
to
r
r
ep
r
esen
tin
g
th
e
ca
u
s
al
f
ac
to
r
s
o
f
in
ter
p
er
s
o
n
al
co
n
f
lict.
Fo
r
I
S
s
u
cc
e
s
s
,
p
r
ev
io
u
s
s
tu
d
ie
s
d
em
o
n
s
tr
ated
t
h
at
t
h
e
in
ter
p
er
s
o
n
al
co
n
f
lict
h
as
r
elat
io
n
s
h
ip
w
it
h
u
s
er
s
at
is
f
ac
tio
n
.
T
h
e
f
o
ll
o
w
i
n
g
s
ec
tio
n
w
i
ll
d
is
cu
s
s
th
e
s
e
f
ac
to
r
s
.
2
.
2
.
1
.
I
nte
rf
er
ence
I
n
ter
f
er
en
ce
is
o
n
e
o
f
t
h
e
k
e
y
f
ac
to
r
s
o
f
i
n
ter
p
er
s
o
n
al
co
n
f
l
ict,
w
h
ic
h
is
r
elate
d
to
th
e
ex
is
ten
ce
o
f
in
ter
f
er
e
n
ce
b
et
w
ee
n
u
s
er
s
i
n
t
er
m
s
o
f
t
h
eir
tas
k
s
,
o
b
j
ec
ts
,
an
d
g
o
als
[
9
]
.
T
h
at
m
ea
n
s
,
it
r
es
u
lted
in
b
eh
a
v
io
r
al
attr
ib
u
tes.
R
e
s
ea
r
ch
er
s
b
eliev
e
th
at
th
e
k
e
y
p
r
o
ce
s
s
o
f
in
t
er
p
er
s
o
n
al
co
n
f
lict
is
t
h
e
b
eh
av
io
r
w
h
er
e
o
n
e
o
r
m
o
r
e
d
is
p
u
tan
ts
o
p
p
o
s
e
th
eir
co
u
n
ter
p
ar
t‘
s
in
ter
e
s
ts
o
r
g
o
als
[
26
]
.
T
h
e
b
est
w
a
y
to
r
ed
u
ce
th
e
b
ad
ef
f
ec
ts
o
f
in
ter
f
er
en
ce
w
it
h
i
n
o
r
g
an
izat
io
n
s
i
s
th
er
e
f
o
r
e
to
s
h
o
w
it
as
an
i
m
p
o
r
tan
t
f
ac
to
r
o
f
I
S
s
u
cc
ess
.
A
n
y
o
r
g
a
n
izatio
n
s
h
o
u
ld
in
cl
u
d
e
a
g
o
o
d
p
er
ce
p
tio
n
o
f
in
ter
f
er
e
n
ce
a
m
o
n
g
its
s
ta
f
f
as
ap
ar
t
n
o
t
p
ar
ce
l
f
r
o
m
i
t
s
cu
l
tu
r
e.
Ag
ai
n
th
i
s
r
esea
r
ch
w
il
l
d
ea
l
w
it
h
th
is
co
n
ce
p
t
as
a
co
n
s
tr
u
ctiv
e
co
n
ce
p
t
w
h
ich
h
av
e
a
r
o
le
o
f
I
S
s
u
cc
ess
lo
o
k
i
n
g
f
o
r
th
e
f
a
cto
r
s
w
h
ich
cr
ea
te
th
i
s
t
y
p
e
o
f
co
n
f
lict
b
et
w
ee
n
u
s
er
s
i
n
ter
m
s
o
f
t
h
eir
task
s
,
o
b
j
ec
ts
,
an
d
g
o
als
in
o
r
g
an
iza
tio
n
.
I
n
ad
d
itio
n
,
th
is
r
esear
ch
also
w
ill
ex
a
m
i
n
e
th
e
i
m
p
ac
t
s
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I
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2
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2
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2
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Dis
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it
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tan
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elev
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to
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cc
es
s
li
k
e
in
ter
p
er
s
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al
c
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lic
t
[
27
]
.
I
n
th
is
r
esear
ch
,
d
is
a
g
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m
e
n
t
r
e
f
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th
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in
t
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ee
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s
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ter
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a
m
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as
th
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co
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tr
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lict
a
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i
m
p
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c
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m
ed
th
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ter
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l
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at
u
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o
f
th
e
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an
a
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r
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le
[
28
]
,
[
29
]
.
So
m
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[
30
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,
[
14
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s
tated
th
a
t
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d
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r
ee
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t
is
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r
e
m
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s
.
An
o
th
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s
[
28
]
,
[
29
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f
o
u
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d
th
at
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d
is
a
g
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m
en
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a
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n
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m
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s
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r
g
a
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(
o
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p
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f
o
r
m
a
n
ce
)
.
A
d
o
m
i
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d
Ozio
m
a
An
ie
[
3
1
]
also
in
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icate
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th
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d
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ag
r
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en
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ca
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ag
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v
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av
io
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d
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2
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2
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3
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it
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[
3
2
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p
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ted
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u
t
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at
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as
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[
3
3
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f
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th
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lict
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[
1
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l
m
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[
2
5
]
in
v
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m
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in
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tab
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m
in
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tr
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in
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tab
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r
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s
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lts
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m
a
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s
tr
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t
ab
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s
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t p
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licies.
2
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3
.
User
s
a
t
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f
a
ct
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A
cc
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r
d
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g
to
[
23
]
,
th
e
ter
m
u
s
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f
ac
tio
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(
US)
r
ef
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s
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f
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tio
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t
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m
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[
24
]
,
[
34
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an
d
Stak
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ld
er
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[
35
]
,
[
36
]
.
T
h
u
s
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th
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h
y
p
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th
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s
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h
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v
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m
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b
ased
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p
r
ev
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d
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to
in
v
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g
ate
th
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r
elatio
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s
a
m
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n
g
u
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ati
s
f
ac
tio
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,
tec
h
n
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ica
l f
ac
to
r
s
an
d
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p
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f
ac
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Fig
u
r
e
1
.
P
r
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p
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f
r
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w
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3.
RE
S
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ARCH
M
E
T
H
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h
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s
tu
d
y
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m
p
lo
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titati
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Evaluation Warning : The document was created with Spire.PDF for Python.
I
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&
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t
w
o
i
m
p
o
r
ta
n
t
m
ea
s
u
r
e
s
:
r
eliab
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y
an
d
v
alid
it
y
.
I
n
th
is
r
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ch
,
t
h
e
r
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y
h
as
b
ee
n
m
ea
s
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u
s
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t
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r
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Alp
h
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ich
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h
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m
etr
ic
r
et
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r
n
s
v
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lu
e
b
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w
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n
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(
v
er
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w
r
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il
it
y
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to
1
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v
er
y
h
i
g
h
r
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y
)
.
T
h
e
v
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o
f
t
h
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d
ata
h
a
s
b
ee
n
co
m
p
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ted
u
s
i
n
g
t
h
e
k
ai
s
er
m
e
y
er
o
lk
i
n
(
KM
O)
te
s
t
w
h
ic
h
r
ef
lects
th
e
s
a
m
p
li
n
g
ad
eq
u
a
c
y
.
Fo
r
ea
c
h
f
ac
to
r
,
th
is
test
r
etu
r
n
s
v
al
u
e
b
et
w
ee
n
0
a
n
d
1
,
in
w
h
ic
h
t
h
e
s
a
m
p
li
n
g
is
ad
eq
u
ate
if
t
h
i
s
v
alu
e
is
m
o
r
e
t
h
an
0
.
8
.
Fo
r
all
d
ata,
T
ab
le
1
r
ep
o
r
ts
th
e
r
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l
t
o
f
r
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y
a
n
d
v
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f
o
r
ea
ch
f
ac
to
r
.
T
ab
le
1
.
R
eliab
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y
an
d
Val
id
i
t
y
T
e
s
t Res
u
lts
u
s
i
n
g
C
r
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n
b
ac
h
'
s
alp
h
a
a
n
d
KM
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I
t
e
m
N
u
mb
e
r
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f
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t
e
ms
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r
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b
a
c
h
’
s a
l
p
h
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K
M
O
IQ
5
.
8
9
4
.
8
5
5
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5
.
8
8
1
.
8
7
5
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4
.
9
4
9
.
8
6
7
I
F
C
6
.
9
7
6
.
9
0
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S
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G
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N
S
T
B
5
.
9
1
1
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8
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US
5
.
9
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2
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8
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5
Seco
n
d
l
y
,
w
e
u
s
ed
t
h
e
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r
r
elatio
n
co
e
f
f
icien
t
i
n
o
r
d
er
to
m
ea
s
u
r
e
th
e
as
s
o
ciatio
n
a
m
o
n
g
t
h
e
in
v
e
s
ti
g
ated
f
ac
to
r
s
.
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ea
r
s
o
n
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s
co
r
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elatio
n
i
s
a
m
etr
ic
w
h
ic
h
m
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s
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r
es
t
h
e
lin
ea
r
r
elat
io
n
s
h
ip
b
et
w
ee
n
t
wo
lis
ts
o
f
v
ar
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les.
A
co
r
r
elatio
n
an
al
y
s
is
is
u
s
ed
to
cla
r
if
y
t
h
at
t
h
e
in
d
ep
en
d
e
n
t
v
ar
iab
le
co
n
tr
ib
u
tes
in
f
o
r
m
atio
n
f
o
r
p
r
ed
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g
t
h
e
d
ep
en
d
en
t v
ar
iab
le.
I
n
th
i
s
s
t
u
d
y
,
th
e
g
o
als
o
f
t
h
e
co
r
r
elatio
n
an
al
y
s
i
s
ar
e
to
m
ea
s
u
r
e
th
e
r
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n
s
h
ip
b
etw
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n
th
e
in
d
ep
en
d
en
t
a
n
d
d
ep
en
d
en
t
f
a
cto
r
s
,
an
d
th
e
r
elatio
n
s
h
ip
a
m
o
n
g
t
h
e
in
d
ep
en
d
e
n
t
f
ac
to
r
s
.
T
ab
le
2
s
h
o
w
s
t
h
e
co
r
r
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n
an
al
y
s
is
r
es
u
lt b
et
w
ee
n
in
d
ep
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n
t a
n
d
d
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en
d
en
t f
ac
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r
s
.
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le
2
.
T
h
e
C
o
r
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An
al
y
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i
s
b
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n
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n
d
Dep
en
d
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to
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F
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5
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0
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C
o
r
r
e
l
a
t
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n
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s s
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g
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c
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t
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t
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e
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l
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v
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l
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2
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**
C
o
r
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l
a
t
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o
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s si
g
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f
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c
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l
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l
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2
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t
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Stru
ct
u
r
al
eq
u
atio
n
m
o
d
elin
g
(
SEM
)
p
u
r
p
o
s
es
to
ex
p
lai
n
t
h
e
r
elatio
n
s
h
ip
s
a
m
o
n
g
m
u
ltip
l
e
v
ar
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les.
I
n
t
h
is
s
t
u
d
y
,
SEM
is
u
s
ed
to
an
al
y
ze
h
y
p
o
th
e
s
es
r
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n
s
h
ip
s
li
n
k
i
n
g
th
e
m
o
d
el
co
n
s
tr
u
cts.
Acc
o
r
d
in
g
to
Hair
,
et
a
l
.
[
3
7
]
th
e
SE
M
is
m
o
s
t
u
s
ef
u
l
tech
n
iq
u
e
w
h
ich
test
i
n
g
th
e
co
m
p
le
x
r
elatio
n
s
h
ip
a
n
d
m
ea
s
u
r
e
th
e
s
tr
en
g
th
a
m
o
n
g
i
te
m
f
r
o
m
ea
ch
in
d
ep
en
d
e
n
ts
v
ar
iab
les
a
n
d
d
ep
en
d
en
t
v
ar
iab
les
o
f
th
e
r
esear
ch
m
o
d
el.
Fo
r
th
is
p
u
r
p
o
s
e,
co
n
f
ir
m
ato
r
y
f
ac
to
r
an
al
y
s
is
(
C
F
A
)
u
s
i
n
g
A
M
OS
2
3
w
as
p
er
f
o
r
m
ed
.
Fo
llo
w
i
n
g
th
is
,
t
h
e
p
ath
s
o
r
ca
u
s
al
r
elatio
n
s
h
ip
s
b
et
w
e
en
t
h
e
e
x
o
g
e
n
o
u
s
a
n
d
e
n
d
o
g
en
o
u
s
co
n
s
tr
u
ct
s
w
er
e
s
p
ec
i
f
i
ed
in
th
e
s
tr
u
ct
u
r
al
m
o
d
el.
5.
SUM
M
ARY
O
F
F
I
NDING
S
Fro
m
th
e
T
ab
le
1
th
e
C
r
o
n
b
ac
h
'
s
A
lp
h
a
o
f
i
n
v
e
s
ti
g
ated
f
ac
to
r
s
in
t
h
is
r
esear
c
h
is
r
an
g
i
n
g
f
r
o
m
0
.
8
3
0
to
0
.
9
7
6
.
H
in
to
n
,
et
a
l
.
[
3
8
]
s
u
g
g
es
ted
f
o
u
r
d
if
f
er
e
n
t
le
v
el
s
o
f
r
eliab
ili
t
y
:
an
e
x
ce
llen
t
le
v
el
r
a
n
g
e
(
0
.
9
0
an
d
ab
o
v
e)
,
a
h
ig
h
le
v
el
r
an
g
e
(
0
.
7
0
to
0
.
9
0
)
,
a
m
o
d
er
ate
lev
el
r
an
g
e
(
b
et
w
ee
n
0
.
5
0
an
d
0
.
7
0
)
an
d
a
lo
w
le
v
el
(
0
.
5
0
an
d
b
elo
w
)
.
Fro
m
t
h
e
s
a
m
e
tab
le,
t
h
e
v
al
u
e
o
f
KM
O
w
a
s
d
is
tr
ib
u
ted
b
et
w
ee
n
0
.
7
4
2
an
d
0
.
9
0
9
.
[
3
7
]
p
o
in
ted
o
u
t
th
at,
th
e
KM
O
v
al
u
e
w
it
h
0
.
9
0
is
ex
ce
llen
t;
0
.
8
0
is
g
o
o
d
;
0
.
7
0
is
m
id
d
li
n
g
;
0
.
6
0
is
m
ed
io
cr
e;
0
.
5
0
is
ac
ce
p
tab
le
b
u
t
m
i
s
er
ab
le;
an
d
b
elo
w
0
.
5
0
is
u
n
ac
ce
p
tab
le.
T
h
e
ex
p
er
i
m
en
ta
l
r
esu
lts
f
r
o
m
T
ab
le
2
ca
n
b
e
an
al
y
ze
d
f
r
o
m
t
w
o
p
o
in
t
s
o
f
v
ie
w
s
.
Fro
m
p
er
s
p
ec
tiv
e
o
f
in
ter
p
er
s
o
n
al
co
n
f
lict
f
ac
t
o
r
s
,
th
e
r
es
u
lt
s
h
o
w
ed
t
h
at
th
er
e
is
a
s
i
g
n
i
f
ican
t
co
r
r
elatio
n
a
m
o
n
g
t
h
ese
Evaluation Warning : The document was created with Spire.PDF for Python.
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in
d
ep
en
d
en
t
f
ac
to
r
s
.
T
h
i
s
s
u
p
p
o
r
ts
o
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r
m
ea
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u
r
e
m
en
t
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in
te
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i
m
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f
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.
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th
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s
id
e,
t
h
e
in
d
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d
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f
ac
to
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ar
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a
tiv
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co
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d
to
d
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en
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en
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u
s
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.
I
n
ad
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itio
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,
th
e
h
i
g
h
est
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r
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n
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n
i
n
ter
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ce
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d
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s
er
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a
tis
f
ac
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n
(
-
.
7
3
9
*
*
)
.
T
h
is
is
d
u
e
to
t
h
e
n
atu
r
e
o
f
t
h
e
in
ter
f
er
en
ce
in
t
h
e
f
i
n
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cial
p
r
o
ce
d
u
r
es
w
h
ic
h
u
s
u
all
y
r
eq
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ir
e
h
ier
ar
ch
ica
l
o
p
er
atio
n
s
t
h
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o
u
g
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d
if
f
er
e
n
t
s
ec
tio
n
s
T
h
is
i
s
d
u
e
to
th
e
cr
itica
l
s
i
tu
atio
n
i
n
Ye
m
en
w
h
ich
f
ac
ed
t
h
e
in
s
tab
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t
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d
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g
t
h
e
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o
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t
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B
ased
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Fig
u
r
e
1
th
e
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lts
o
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e
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a
l
y
s
i
s
s
h
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ed
t
h
at
all
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y
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o
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e
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n
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lev
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0
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.
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n
f
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t,
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i
s
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n
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r
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y
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o
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s
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i
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ter
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s
o
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co
n
f
lict
f
ac
to
r
s
n
eg
ati
v
el
y
in
f
l
u
en
ce
o
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g
an
izatio
n
al
p
er
f
o
r
m
a
n
ce
in
f
in
a
n
cial
s
ec
to
r
.
Fro
m
Fi
g
u
r
e
2
w
h
ic
h
d
ep
icts
th
e
th
e
s
tr
u
ct
u
r
al
m
o
d
el
(
Go
o
d
n
ess
o
f
Fit
I
n
d
ices)
,
it
is
cle
ar
th
at
th
i
s
m
o
d
el
f
it a
ll i
n
d
ices.
T
h
e
v
al
u
es o
f
th
e
i
n
d
ices
m
ea
n
th
e
m
o
d
el
is
a
g
o
o
d
f
it to
th
e
d
ata,
in
w
h
ic
h
th
e
s
e
v
al
u
r
es
o
f
χ2
,
C
FI,
T
L
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d
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FI
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t
h
e
m
o
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e
1
.
4
9
1
,
0
.
9
6
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.
9
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Fig
u
r
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.
Stru
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ir
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Sev
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t
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ies
o
n
I
S
s
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cc
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[
7
]
,
[
23
]
,
[
39
]
h
av
e
elu
cid
ate
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e
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g
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m
en
t
t
h
at
h
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s
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n
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h
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s
ea
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ch
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icate
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at
tech
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lo
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ical
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I
Q,
SQ
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SrQ
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h
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m
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o
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s
er
s
at
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h
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lt
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co
n
s
is
ten
t
w
i
th
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e
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ast
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t
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d
i
es
[
7
]
,
[
40
]
,
[
41
]
.
On
o
th
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an
d
,
th
i
s
s
t
u
d
y
al
s
o
s
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ter
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ir
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tis
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n
.
Se
v
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s
t
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ies
[
42
]
,
[
43
]
p
o
in
ted
o
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t
th
e
ar
g
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m
e
n
t
th
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lo
w
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u
s
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.
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u
s
,
th
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tical
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i
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d
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g
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h
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r
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icate
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ter
p
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o
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lict
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(
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ter
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ce
,
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is
ag
r
ee
m
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an
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ased
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6.
CO
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RE
F
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R
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NC
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S
[1
]
M
.
Ro
m
i
Is
m
a
il
,
"
Or
g
a
n
iza
ti
o
n
a
l
Cu
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re
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p
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In
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mp
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.
[2
]
G
.
W
h
y
te,
e
t
a
l
.
,
"
Un
d
e
rsta
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su
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c
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,
"
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h
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J
o
u
rn
a
l
o
f
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tra
teg
ic
In
fo
rm
a
t
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n
S
y
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ms
,
v
o
l.
6
,
p
p
.
3
5
-
6
8
,
1
9
9
7
.
[3
]
R.
M
o
h
’d
Al
-
a
d
a
il
e
h
,
"
A
n
e
v
a
l
u
a
ti
o
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o
f
in
f
o
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a
ti
o
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m
s
su
c
c
e
ss
:
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u
se
r
p
e
rsp
e
c
ti
v
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t
h
e
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se
o
f
Jo
rd
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n
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le
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m
G
ro
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p
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ro
p
e
a
n
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o
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ti
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se
a
rc
h
,
v
o
l.
3
7
,
p
p
.
2
2
6
-
2
3
9
,
2
0
0
9
.
[4
]
Y.
H.
A
l
-
M
a
m
a
r
y
,
e
t
a
l
.
,
"
F
a
c
to
rs
Aff
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ti
n
g
S
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c
c
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ss
f
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A
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In
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p
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.
[5
]
A
.
R.
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h
lan
,
"
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m
p
le
m
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n
tatio
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In
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trica
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ter
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p
p
.
5
6
0
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2
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4
.
[6
]
Y.
H.
A
l
-
M
a
m
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r
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e
t
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l
.
,
"
In
v
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stig
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In
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Co
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6
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A
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7
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Hu
m
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w
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rk
(1
2
th
e
d
)
,
Ne
w
Yo
rk
:
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c
G
ra
w
Hill
In
tern
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ti
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d
it
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o
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.
,
2
0
0
7
.
[3
1
]
E.
E.
A
d
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S
.
Oz
io
m
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A
n
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,
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a
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ian
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rsit
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ib
ra
ries
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p
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0
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2
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.
[3
2
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M
.
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sla
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3
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S
u
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4
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A
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a
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sin
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fo
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1
3
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p
p
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0
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9
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2
0
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2
.
[3
5
]
A
.
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A
.
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h
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d
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4
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p
p
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2
1
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2
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1
6
.
[3
6
]
A
.
R.
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h
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e
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su
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tern
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tak
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ter
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lec
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mp
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,
v
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l.
5
,
p
.
2
7
1
,
2
0
1
5
.
[3
7
]
J.
Ha
ir,
e
t
a
l
.,
M
u
lt
iv
a
riate
Da
ta A
n
a
l
y
si
s
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e
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Ed
it
i
o
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P
re
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ll
,
2
0
1
0
.
[3
8
]
P
.
R.
Hi
n
to
n
,
I
.
M
c
M
u
rra
y
,
a
n
d
C.
Bro
w
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lo
w
,
S
PS
S
e
x
p
l
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in
e
d
:
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o
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d
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e
,
2
0
1
4
.
[3
9
]
M
.
V
isse
r,
e
t
a
l
.
,
"
Ev
a
lu
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ti
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f
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In
f
o
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m
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ti
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y
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m
s:
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rth
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ra
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Co
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"
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2
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1
3
.
[4
0
]
Y.
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A
l
-
M
a
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.
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d
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rg
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s:
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tru
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tu
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[4
1
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Y.
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c
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(
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I),
2
0
1
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Fi
ft
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ter
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2
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4
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2
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Ø.
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ø
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b
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l
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"
T
h
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m
p
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terp
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twe
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,
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2
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.
[4
3
]
C.
A
.
De
m
s
k
y
,
In
terp
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rso
n
a
l
c
o
n
f
li
c
t
a
n
d
e
m
p
lo
y
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we
ll
-
b
e
in
g
:
T
h
e
m
o
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e
ra
ti
n
g
ro
le
o
f
re
c
o
v
e
ry
e
x
p
e
rien
c
e
s:
P
o
rtl
a
n
d
S
tate
Un
iv
e
rsity
,
2
0
1
2
.
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