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I
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m
Influence
of so
cia
l net
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rks
on th
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menta
l healt
h of
univ
ersity
stude
nts
in
H
ua
n
ca
y
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,
Peru
Nilt
o
n Da
v
id Vilchez
G
a
la
rz
a
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L
uis
Ang
el
H
ua
y
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t
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s
p
ej
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Ca
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D
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p
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F
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Art
icle
I
nfo
AB
S
T
RAC
T
A
r
ticle
his
to
r
y:
R
ec
eiv
ed
May
6
,
2
0
2
4
R
ev
is
ed
Sep
20
,
2
0
2
4
Acc
ep
ted
Sep
30
,
2
0
2
4
S
in
c
e
th
e
a
p
p
e
a
ra
n
c
e
o
f
sig
n
e
d
so
c
ial
n
e
two
r
k
s
(S
S
N
s
),
t
h
e
i
r
u
se
h
a
s
in
c
re
a
se
d
ste
a
d
il
y
a
m
o
n
g
y
o
u
n
g
p
e
o
p
le,
n
o
t
o
n
l
y
in
term
s
o
f
th
e
n
u
m
b
e
r
o
f
u
se
rs
b
u
t
a
ls
o
in
term
s
o
f
t
h
e
ti
m
e
th
e
y
d
e
v
o
te
t
o
m
a
n
a
g
i
n
g
th
e
p
l
a
tfo
rm
s,
a
situ
a
ti
o
n
th
a
t
m
a
y
b
e
in
fl
u
e
n
c
in
g
th
e
ir
b
e
h
a
v
io
r.
Th
is
st
u
d
y
a
ime
d
t
o
a
n
a
ly
z
e
th
e
in
fl
u
e
n
c
e
o
f
t
h
e
u
se
o
f
so
c
ial
n
e
two
r
k
s
(S
Ns
)
o
n
th
e
m
e
n
tal
h
e
a
lt
h
o
f
y
o
u
n
g
u
n
i
v
e
rsity
stu
d
e
n
ts.
F
o
r
th
is
p
u
rp
o
se
,
a
q
u
a
n
ti
tati
v
e
,
b
a
sic
,
a
n
d
c
o
rre
latio
n
a
l
stu
d
y
wa
s
c
a
rried
o
u
t.
We
wo
r
k
e
d
with
a
sa
m
p
le
o
f
3
6
1
u
n
d
e
r
g
ra
d
u
a
te
stu
d
e
n
ts
in
h
e
a
lt
h
c
a
re
e
rs
a
t
a
u
n
i
v
e
r
sity
in
H
u
a
n
c
a
y
o
.
Th
e
P
ERM
A
-
P
ro
f
il
e
r
sc
a
le
fo
r
m
e
n
tal
h
e
a
lt
h
a
n
d
th
e
b
rief
s
o
c
ial
n
e
two
r
k
a
d
d
ictio
n
q
u
e
stio
n
n
a
ire
we
re
u
se
d
a
s
d
a
ta
c
o
ll
e
c
ti
o
n
in
str
u
m
e
n
ts
to
e
v
a
lu
a
te
th
e
u
se
o
f
S
Ns
.
Th
e
re
su
lt
s
i
n
d
i
c
a
te
th
a
t
t
h
e
re
is
a
sta
ti
st
ica
ll
y
s
ig
n
ifi
c
a
n
t
in
flu
e
n
c
e
o
f
t
h
e
u
se
o
f
S
Ns
o
n
th
e
m
e
n
tal
h
e
a
lt
h
o
f
st
u
d
e
n
ts
,
wh
ic
h
e
x
p
lain
s
a
v
a
riab
il
it
y
o
f
5
3
.
5
%
to
7
9
.
9
%
,
a
c
c
o
rd
in
g
to
t
h
e
v
a
lu
e
s
o
f
th
e
Na
g
e
lk
e
rk
e
P
se
u
d
o
X
2
c
a
lcu
latio
n
fo
r
S
Ns
.
Th
is
su
g
g
e
sts
th
a
t
t
h
e
u
se
o
f
S
Ns
h
u
rts
stu
d
e
n
ts
’
m
e
n
tal
h
e
a
lt
h
.
K
ey
w
o
r
d
s
:
Ad
d
ictio
n
C
o
r
r
elatio
n
Me
n
tal
h
ea
lth
So
cial
n
etwo
r
k
s
Un
iv
er
s
ity
s
tu
d
en
ts
T
h
is i
s
a
n
o
p
e
n
a
c
c
e
ss
a
rticle
u
n
d
e
r th
e
CC B
Y
-
SA
li
c
e
n
se
.
C
o
r
r
e
s
p
o
nd
ing
A
uth
o
r
:
Nilto
n
Dav
id
Vilch
ez
Gala
r
za
Dep
ar
tm
en
t o
f
Ps
y
ch
o
lo
g
y
,
Fa
cu
lty
o
f
Hea
lth
Scien
ce
s
,
L
o
s
An
d
es Per
u
v
ian
Un
iv
e
r
s
ity
Gir
ald
ez
Av
en
u
e
No
.
2
3
0
,
Hu
an
ca
y
o
,
Per
ú
E
m
ail:
d
.
n
v
ilch
ez
@
m
s
.
u
p
la.
e
d
u
.
p
e
1.
I
NT
RO
D
UCT
I
O
N
No
wad
ay
s
,
s
o
cial
n
etwo
r
k
s
(
SNs
)
h
av
e
b
ec
o
m
e
a
n
im
p
o
r
t
an
t
p
ar
t
o
f
th
e
liv
es
o
f
y
o
u
n
g
p
eo
p
le
a
n
d
ad
u
lts
,
wh
o
u
s
e
th
e
m
d
aily
t
o
g
et
in
f
o
r
m
atio
n
,
c
o
m
m
u
n
icate
,
an
d
f
o
r
m
p
ar
t
o
f
a
v
ir
tu
al
co
m
m
u
n
ity
.
T
h
is
u
s
e,
wh
ich
ca
n
b
e
d
escr
ib
e
d
as
m
ass
iv
e,
r
aises
co
n
ce
r
n
s
ab
o
u
t
th
e
im
p
ac
t
o
f
th
ese
tech
n
o
l
o
g
ies
o
n
th
e
m
en
tal
h
ea
lth
o
f
th
e
p
o
p
u
latio
n
,
es
p
ec
ially
th
e
y
o
u
n
g
est
[
1
]
,
[
2
]
.
B
ased
o
n
th
is
p
r
o
b
lem
,
s
ev
er
al
s
tu
d
ies
h
a
v
e
ev
alu
ated
h
o
w
th
e
u
s
e
o
f
s
o
ci
al
m
ed
ia
af
f
ec
ts
m
en
tal
h
ea
lth
,
in
clu
d
in
g
th
e
im
p
ac
t
o
n
b
o
d
y
im
ag
e,
q
u
ality
o
f
s
leep
,
life
s
atis
f
ac
tio
n
,
d
e
p
r
e
s
s
io
n
,
u
s
e
o
f
to
x
ic
s
u
b
s
tan
ce
s
,
im
p
u
ls
iv
ity
,
an
d
d
eter
io
r
at
io
n
in
s
o
cial
s
k
ills
[
3
]
,
[
4
]
,
esp
ec
ially
in
ca
s
es
o
f
ex
ce
s
s
iv
e
u
s
e
o
f
s
o
cial
n
etw
o
r
k
s
,
s
u
ch
as
Face
b
o
o
k
,
T
wit
ter
,
I
n
s
tag
r
a
m
,
a
n
d
T
ik
T
o
k
[
5
]
.
Ho
we
v
er
,
o
th
er
s
tu
d
ies
h
av
e
o
b
s
er
v
ed
th
at
m
o
d
er
ate
an
d
r
esp
o
n
s
ib
le
u
s
e
o
f
s
ig
n
ed
s
o
cial
n
etwo
r
k
s
(
SS
Ns
)
co
u
ld
p
r
o
v
id
e
o
p
p
o
r
tu
n
ities
to
ad
d
r
ess
th
e
m
en
tal
h
ea
lth
p
r
o
b
lem
s
th
at
em
er
g
ed
as
a
co
n
s
eq
u
en
ce
o
f
th
e
C
OVI
D
-
1
9
p
an
d
em
ic
[
6
]
.
I
t
is
im
p
o
r
tan
t
t
o
co
n
s
id
er
th
at
m
en
tal
h
ea
lth
p
r
o
b
lem
s
ca
n
af
f
ec
t
s
tu
d
e
n
ts
at
an
y
p
o
in
t
in
th
eir
p
r
o
f
ess
io
n
al
tr
ain
i
n
g
.
Ho
wev
er
,
th
e
ea
r
ly
s
tag
es
o
f
th
e
u
n
i
v
er
s
ity
p
er
io
d
ca
n
b
e
cr
itical
f
o
r
t
h
e
p
r
ev
en
tio
n
,
d
etec
tio
n
,
an
d
ea
r
ly
tr
ea
tm
en
t
o
f
p
r
o
b
lem
s
th
at
n
o
t
o
n
l
y
af
f
ec
t
in
ter
p
er
s
o
n
al
r
elatio
n
s
h
ip
s
b
u
t
also
jeo
p
ar
d
ize
co
m
p
r
eh
e
n
s
iv
e
well
-
b
ein
g
[
7
]
.
Ad
d
r
ess
in
g
th
e
p
r
o
b
lem
o
f
m
en
tal
h
ea
lth
a
n
d
th
e
u
s
e
o
f
s
o
cial
m
ed
ia
h
as
a
s
ig
n
if
ican
t
ef
f
ec
t
o
n
ac
ad
em
i
c
p
er
f
o
r
m
an
ce
,
as
it
ca
n
lea
d
to
ea
r
ly
d
etec
tio
n
o
f
t
h
e
r
is
k
o
f
p
r
o
f
ess
io
n
al
ab
an
d
o
n
m
en
t
[
5
]
,
[
6
]
.
L
ik
ew
is
e,
th
er
e
is
a
p
o
ten
tial
im
p
ac
t
o
n
th
e
p
er
ce
p
tio
n
th
at
e
ac
h
s
tu
d
en
t
h
as
o
f
th
em
s
elv
es,
as we
ll a
s
th
e
lim
i
tatio
n
s
in
th
eir
s
o
cial
r
elatio
n
s
h
ip
s
[
8
]
.
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
I
n
flu
en
ce
o
f so
ci
a
l n
etw
o
r
ks o
n
th
e
men
ta
l
h
ea
lth
o
f
u
n
ivers
ity
s
tu
d
en
ts
…
(
N
ilto
n
Da
vid
V
ilch
ez Ga
la
r
z
a
)
1135
I
n
Per
u
,
th
e
co
n
tex
t
o
f
th
e
C
OVI
D
-
1
9
p
a
n
d
em
ic
d
u
r
i
n
g
2
0
2
0
r
eq
u
ir
ed
a
lar
g
e
p
ar
t
o
f
th
e
p
o
p
u
latio
n
to
ad
o
p
t
in
f
o
r
m
atio
n
a
n
d
c
o
m
m
u
n
icatio
n
tech
n
o
l
o
g
ies
(
I
C
T
)
in
th
eir
d
aily
ac
tiv
ities
.
Ho
wev
er
,
s
ev
er
al
s
tu
d
ies
h
av
e
b
ee
n
p
u
b
lis
h
ed
t
h
at
h
av
e
cr
iticized
th
e
s
co
p
e
an
d
ad
eq
u
a
cy
o
f
th
ese
m
ea
s
u
r
es
[
7
]
,
[
9
]
.
I
n
th
is
co
n
tex
t,
th
e
ch
an
g
e
o
f
p
latf
o
r
m
,
esp
ec
ially
in
th
e
ed
u
ca
tio
n
al
s
ec
to
r
,
was
an
im
p
o
s
itio
n
o
f
th
e
co
n
tex
t
f
o
r
wh
ich
n
eith
er
wo
r
k
e
r
s
n
o
r
s
tu
d
en
ts
wer
e
p
r
ep
ar
ed
[
1
0
]
–
[
1
2
]
.
T
h
u
s
,
th
e
f
o
r
ce
d
ch
an
g
e
g
en
er
ated
th
e
n
ee
d
f
o
r
m
an
y
s
tu
d
en
ts
to
s
p
en
d
m
o
r
e
tim
e
in
f
r
o
n
t
o
f
th
e
s
cr
ee
n
s
,
wh
ich
ad
d
ed
to
th
e
m
an
d
at
o
r
y
s
o
cial
d
is
tan
cin
g
(
q
u
ar
a
n
tin
es),
an
d
in
cr
ea
s
ed
t
h
e
u
s
e
o
f
s
o
cial
m
ed
ia
th
at
was
n
o
t
n
ec
ess
ar
ily
lin
k
ed
to
a
ca
d
em
ic
ac
tiv
ities
,
r
eg
u
latio
n
s
,
o
r
r
esp
o
n
s
ib
le
u
s
e
o
f
th
e
d
ev
ice
[
1
3
]
.
On
th
e
o
th
e
r
h
an
d
,
d
u
e
to
t
h
e
co
n
s
eq
u
en
ce
s
o
f
th
e
p
an
d
em
i
c,
v
ir
tu
al
class
es
in
Per
u
co
n
ti
n
u
ed
to
b
e
h
eld
in
u
n
iv
er
s
ities
u
n
til
th
e
s
ec
o
n
d
s
em
ester
o
f
2
0
2
2
.
I
t
s
h
o
u
ld
b
e
n
o
te
d
th
at
d
u
r
in
g
th
e
p
r
ev
io
u
s
two
y
ea
r
s
,
v
ir
tu
ality
was
lim
ited
to
th
e
in
ten
s
iv
e
u
s
e
o
f
SNs
in
ed
u
ca
tio
n
an
d
wo
r
k
,
as
well
as
in
e
v
er
y
d
a
y
life
,
wh
ich
ce
m
en
ted
a
h
a
b
it
th
at
co
n
tin
u
ed
d
esp
ite
th
e
r
etu
r
n
to
f
ac
e
-
to
-
f
ac
e
class
es.
T
h
is
s
itu
atio
n
co
u
ld
b
e
li
n
k
ed
t
o
p
o
ten
tially
n
eg
ativ
e
e
f
f
ec
ts
o
n
th
e
m
en
tal
h
ea
lth
o
f
s
tu
d
en
t
s
[
2
]
,
[
1
4
]
an
d
th
eir
p
o
o
r
ac
a
d
em
ic
p
er
f
o
r
m
an
ce
,
s
o
a
laten
t
co
n
ce
r
n
h
as
b
ee
n
d
etec
ted
to
lear
n
m
o
r
e
ab
o
u
t
th
e
ass
o
ciatio
n
b
etwe
en
th
e
v
ar
i
ab
le
“
SNs
”
an
d
th
e
m
en
tal
h
ea
lth
o
f
s
tu
d
en
ts
.
B
a
s
ed
o
n
th
is
,
th
e
f
o
llo
win
g
r
es
ea
r
ch
q
u
esti
o
n
ar
is
es:
Ho
w
d
o
es
th
e
u
s
e
o
f
SNs
in
f
lu
en
ce
t
h
e
m
e
n
tal
h
ea
lth
o
f
u
n
i
v
er
s
ity
s
tu
d
en
ts
?
I
n
t
h
is
r
eg
ar
d
,
t
h
e
p
r
esen
t
s
tu
d
y
ai
m
ed
to
an
aly
ze
th
e
in
f
lu
en
ce
o
f
th
e
u
s
e
o
f
SNs
o
n
m
en
tal
h
ea
lth
in
s
tu
d
e
n
ts
o
f
a
p
r
iv
ate
u
n
iv
er
s
ity
in
th
e
ce
n
tr
al
r
eg
i
o
n
,
o
f
Hu
an
ca
y
o
,
Per
u
,
d
u
r
in
g
th
e
p
e
r
io
d
2
0
2
3
.
2.
M
E
T
H
O
D
T
h
e
s
tu
d
y
is
f
r
am
e
d
with
in
a
q
u
a
n
titativ
e
ap
p
r
o
ac
h
,
o
f
t
h
e
b
asic
ty
p
e,
with
a
n
o
n
-
e
x
p
er
im
en
tal
d
esig
n
,
at
a
ca
u
s
al
co
r
r
elatio
n
al
lev
el.
T
h
e
m
ai
n
h
y
p
o
th
esis
co
n
s
id
er
ed
was
th
at
th
e
u
s
e
o
f
s
o
cial
m
ed
ia
h
as
n
eg
ativ
e
ef
f
ec
ts
o
n
th
e
m
e
n
ta
l
h
ea
lth
o
f
s
tu
d
en
ts
,
an
d
th
e
s
p
ec
if
ic
h
y
p
o
th
esis
co
n
s
id
er
e
d
was
th
e
n
eg
ativ
e
ef
f
ec
t
o
f
s
o
cial
m
ed
ia
o
n
th
e
d
im
en
s
io
n
s
o
f
m
en
tal
h
ea
lth
.
T
o
o
b
tain
th
e
s
am
p
le,
th
e
t
o
tal
p
o
p
u
latio
n
o
f
s
tu
d
en
ts
-
o
f
b
o
th
g
e
n
d
er
an
d
o
v
er
1
8
y
ea
r
s
o
f
ag
e
-
en
r
o
lled
d
u
r
in
g
th
e
y
ea
r
2
0
2
3
in
th
e
Facu
lty
o
f
Hea
lth
Scien
ce
s
was
co
n
s
id
er
ed
,
wh
i
ch
ac
co
r
d
in
g
t
o
ac
ad
em
ic
r
ec
o
r
d
s
co
n
s
is
ted
o
f
5
,
9
3
6
s
tu
d
e
n
t
s
.
Fo
r
th
e
s
am
p
lin
g
p
r
o
ce
s
s
,
a
s
tatis
tica
l
ca
lcu
latio
n
o
f
a
p
r
o
b
ab
ilis
tic
n
atu
r
e
was
p
er
f
o
r
m
ed
u
s
in
g
th
e
f
o
r
m
u
la
f
o
r
s
im
p
le
r
an
d
o
m
s
am
p
lin
g
,
as
estab
lis
h
ed
b
y
S
er
d
ar
et
a
l
.
[
1
5
]
.
Af
ter
th
e
ca
l
cu
latio
n
,
a
p
r
o
p
o
r
tio
n
al
s
am
p
l
e
o
f
3
6
1
u
n
iv
er
s
ity
s
tu
d
en
ts
f
r
o
m
th
e
city
o
f
Hu
an
ca
y
o
,
b
elo
n
g
in
g
to
d
if
f
er
en
t
h
ea
lth
p
r
o
g
r
am
s
,
was
o
b
tain
ed
as
s
h
o
wn
i
n
T
ab
le
1
.
On
ly
s
tu
d
e
n
ts
wh
o
wer
e
en
r
o
lled
in
t
h
e
ac
ad
em
i
c
y
ea
r
2
0
2
3
,
o
v
er
1
8
y
ea
r
s
o
f
ag
e,
an
d
wh
o
h
a
d
p
r
ev
io
u
s
ly
a
g
r
ee
d
t
o
p
ar
ticip
at
e
th
r
o
u
g
h
in
f
o
r
m
e
d
co
n
s
en
t w
er
e
co
n
s
id
er
ed
.
T
h
e
P
E
R
M
A
-
P
r
o
f
i
l
e
r
s
c
a
le
f
o
r
t
h
e
m
e
n
t
a
l
h
ea
l
t
h
v
a
r
i
a
b
l
e
,
d
e
v
e
l
o
p
e
d
b
y
B
u
t
l
e
r
a
n
d
K
e
r
n
[
1
6
]
a
n
d
v
a
l
i
d
a
t
e
d
b
y
R
y
a
n
e
t
a
l
.
[
1
7
]
,
w
a
s
u
s
e
d
t
o
o
b
t
a
i
n
t
h
e
d
a
ta
.
T
h
e
p
s
y
c
h
o
m
e
t
r
i
c
v
a
l
i
d
it
y
p
r
o
p
e
r
t
i
e
s
,
ac
c
o
r
d
i
n
g
t
o
f
a
c
t
o
r
a
n
a
l
y
s
i
s
,
a
r
e
R
M
S
E
A=
.
0
5
4
,
S
R
MR
0
=
.
0
3
0
,
C
F
I
=
.
9
4
0
,
an
d
T
L
I
=
.
9
5
0
.
w
i
t
h
a
C
r
o
n
b
a
c
h
’
s
a
l
p
h
a
c
o
e
f
f
i
ci
e
n
t
o
f
.
3
6
0
≤
α
≤
.
8
7
4
a
n
d
a
n
O
m
e
g
a
o
f
.
3
7
9
≤
ω
≤
.
8
5
4
.
L
i
k
e
w
i
s
e
,
f
o
r
t
h
e
v
a
r
i
a
b
l
e
S
Ns
,
t
h
e
b
r
i
ef
q
u
e
s
t
i
o
n
n
a
i
r
e
o
n
a
d
d
i
c
t
i
o
n
t
o
SNs
d
e
v
e
l
o
p
e
d
b
y
S
a
l
a
s
-
B
la
s
e
t
a
l
.
[
1
8
]
w
a
s
u
s
ed
,
w
h
i
c
h
p
r
e
s
e
n
t
e
d
a
v
a
l
i
d
i
t
y
b
y
f
a
c
t
o
r
a
n
a
l
y
s
i
s
o
f
C
F
I
=
.
9
8
9
;
T
L
I
=
.
9
8
2
;
R
MS
E
A=
.
0
4
1
a
n
d
S
R
MR
=
.
0
2
3
,
a
n
d
a
n
O
m
e
g
a
o
f
.
9
1
6
.
T
h
e
ap
p
licatio
n
o
f
t
h
e
in
s
tr
u
m
en
ts
was
ca
r
r
ied
o
u
t
th
r
o
u
g
h
th
e
u
n
iv
er
s
ity
'
s
p
s
y
ch
o
-
p
ed
ag
o
g
ical
d
ep
ar
tm
en
t.
T
o
co
llect
th
e
d
a
ta
f
o
r
th
is
r
esear
ch
,
p
er
m
is
s
io
n
was
r
eq
u
ested
f
r
o
m
t
h
e
D
ea
n
'
s
Of
f
ice
o
f
th
e
Facu
lty
o
f
Hea
lth
Scien
ce
s
,
s
o
th
at
th
e
r
esear
c
h
was
a
p
p
r
o
v
ed
b
y
th
e
R
esear
ch
E
t
h
ics
C
o
m
m
ittee
o
f
th
e
Un
iv
er
s
id
ad
Per
u
an
a
L
o
s
An
d
es,
ac
co
r
d
in
g
to
R
eso
lu
tio
n
No
.
0
9
1
9
-
2
0
2
3
-
R
-
UPLA
.
T
h
e
ev
alu
ati
o
n
was
ca
r
r
ied
o
u
t
in
p
er
s
o
n
in
th
e
cl
ass
r
o
o
m
s
o
f
th
e
f
ac
u
lty
.
T
h
e
a
p
p
licatio
n
b
eg
an
with
th
e
s
ig
n
in
g
o
f
th
e
in
f
o
r
m
ed
co
n
s
en
t,
f
o
llo
we
d
b
y
th
e
s
elf
-
ad
m
in
is
ter
ed
q
u
esti
o
n
n
air
es.
Su
b
s
eq
u
en
tly
,
t
h
e
d
ata
wer
e
d
ig
itized
,
r
ec
o
r
d
ed
,
an
d
an
aly
ze
d
u
s
in
g
t
h
e
SP
SS
v
2
5
s
tatis
tical
p
r
o
g
r
am
.
T
ab
le
1
.
Stu
d
y
p
ar
ticip
a
n
ts
b
y
ac
ad
em
ic
p
r
o
g
r
am
a
n
d
g
en
d
er
P
r
o
g
r
a
m
F
e
mal
e
M
a
l
e
To
t
a
l
n
%
n
%
n
%
P
sy
c
h
o
l
o
g
y
63
1
7
.
5
0
34
9
.
4
0
97
2
6
.
9
0
N
u
r
si
n
g
47
1
3
.
0
0
12
3
.
3
0
59
1
6
.
3
0
M
e
d
i
c
a
l
T
e
c
.
23
6
.
4
0
28
7
.
7
0
51
1
4
.
1
0
O
d
o
n
t
o
l
o
g
y
27
7
.
5
0
14
3
.
9
0
41
1
1
.
4
0
V
e
t
e
r
i
n
a
r
y
21
5
.
8
0
17
4
.
7
0
38
1
0
.
5
0
P
h
a
r
ma
c
y
a
n
d
B
i
o
c
h
e
m
i
st
r
y
22
6
10
2
.
8
0
32
8
.
9
0
O
b
st
e
t
r
i
c
s
26
7
.
2
0
0
.
0
0
26
7
.
2
0
N
u
t
r
i
t
i
o
n
13
3
.
6
0
4
1
.
1
0
17
4
.
7
0
To
t
a
l
2
4
2
6
7
.
0
0
1
1
9
3
3
.
0
0
3
6
1
1
0
0
.
0
0
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
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:
2
2
5
2
-
8
8
2
2
I
n
t
J
E
v
al
&
R
es E
d
u
c
,
Vo
l
.
14
,
No
.
2
,
Ap
r
il
20
25
:
1
1
3
4
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1
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0
1136
3.
RE
SU
L
T
S AN
D
D
I
SCU
SS
I
O
N
3
.
1
.
Resul
t
s
T
h
e
o
b
jectiv
e
o
f
th
e
p
r
esen
t
s
tu
d
y
is
to
d
eter
m
in
e
th
e
in
f
l
u
en
ce
o
f
SNs
o
n
p
o
s
itiv
e
m
e
n
tal
h
ea
lth
,
p
o
s
itiv
e
em
o
tio
n
s
,
co
m
m
itm
en
t,
p
o
s
itiv
e
r
elatio
n
s
h
ip
s
,
p
u
r
p
o
s
e,
an
d
ac
h
iev
em
en
t
in
u
n
i
v
er
s
ity
s
tu
d
en
ts
i
n
Hu
an
ca
y
o
.
I
t
b
eg
an
with
a
n
e
x
p
lo
r
atio
n
o
f
th
e
v
ar
iab
les
an
d
th
eir
d
im
en
s
io
n
s
.
Su
b
s
eq
u
e
n
tly
,
th
e
ca
lcu
latio
n
o
f
n
o
r
m
ality
was
p
er
f
o
r
m
ed
ac
co
r
d
in
g
t
o
th
e
Ko
lm
o
g
o
r
o
v
-
Sm
ir
n
o
v
test
,
to
f
in
ally
p
er
f
o
r
m
th
e
lik
elih
o
o
d
r
atio
test
s
,
p
s
eu
d
o
R
2
,
an
d
W
ald
co
ef
f
icien
ts
f
o
r
ea
ch
c
o
m
b
i
n
atio
n
.
C
o
n
ce
r
n
in
g
t
h
e
lev
els
f
o
u
n
d
i
n
ea
ch
v
a
r
iab
le
an
d
its
d
im
en
s
io
n
s
,
f
o
r
SNs
,
it
was
f
o
u
n
d
t
h
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wh
ile
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6
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ch
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g
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9
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6
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ler
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7
5
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%
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with
d
r
aw
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y
n
d
r
o
m
e
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8
3
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9
%
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n
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t
(
5
7
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9
%
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;
a
n
d
r
elap
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7
6
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7
%
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as
p
r
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ted
in
T
ab
le
2
,
w
h
ich
im
p
lies
th
at
a
lar
g
e
p
e
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ce
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tag
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t
h
e
s
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r
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d
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ts
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T
ab
le
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s
h
o
ws
th
at
th
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alter
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ativ
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with
th
e
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ig
h
est
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r
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en
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y
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th
e
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en
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ig
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s
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wh
ich
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u
ld
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icate
th
at,
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e
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ated
s
am
p
le
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y
s
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f
o
r
t
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e
m
o
s
t p
ar
t,
a
n
ap
p
r
o
p
r
iate
m
en
tal
h
ea
lth
.
T
ab
le
2
.
Fre
q
u
en
cies a
n
d
p
er
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en
tag
es o
f
SNs
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d
th
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d
im
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n
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io
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Le
v
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V
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2
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3
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w
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5
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V
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r
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h
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8
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o
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e
r
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t
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1
1
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1
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w
8
2
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2
D
2
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h
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V
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M
o
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1
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Lo
w
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3
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l
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V
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r
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5
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h
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1
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5
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w
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1
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1
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V
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w
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1
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T
ab
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3
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Fre
q
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n
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tal
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7
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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d
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SS
N:
2252
-
8
8
2
2
I
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flu
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f so
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a
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th
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ta
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h
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lth
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s
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…
(
N
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V
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la
r
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1137
W
h
en
th
e
Ko
lm
o
g
o
r
o
v
-
Sm
ir
n
o
v
n
o
r
m
ality
test
was
ap
p
lied
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it
was
o
b
s
er
v
e
d
th
at
th
e
ass
u
m
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tio
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et
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t
h
e
SNs
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d
m
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o
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i
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s
h
o
wn
in
T
ab
le
4
,
w
h
ich
wo
u
ld
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w
th
e
u
s
e
o
f
p
ar
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m
etr
ic
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s
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t,
to
ev
alu
ate
th
e
in
f
lu
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ce
o
f
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o
n
m
en
tal
h
ea
lth
,
o
r
d
in
al
lo
g
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tic
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eg
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ess
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n
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e
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lated
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o
r
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o
th
th
e
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ir
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ec
t
o
n
th
e
v
ar
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le
an
d
th
e
d
im
en
s
io
n
s
as
p
r
esen
ted
in
T
ab
le
5
.
T
h
e
r
esu
lts
in
d
icate
th
at
th
e
v
ar
iab
le
SS
Ns
s
ig
n
if
ican
tly
in
f
lu
en
ce
s
b
o
th
m
en
tal
h
ea
lth
an
d
its
d
im
en
s
io
n
s
(
p
<.
0
5
)
.
T
ab
le
6
s
h
o
ws
th
e
v
al
u
es
o
f
Nag
elk
er
k
e
’
s
Ps
eu
d
o
X2
ca
lcu
latio
n
f
o
r
SNs
in
m
e
n
tal
h
ea
lth
an
d
d
im
en
s
io
n
s
.
T
h
e
r
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lts
s
h
o
w
th
at
th
e
u
s
e
o
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v
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ilit
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f
5
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m
e
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tal
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lth
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5
7
.
8
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o
r
p
o
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itiv
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tio
n
s
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1
.
9
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r
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m
m
itm
en
t,
7
9
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9
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r
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n
s
o
lid
atio
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,
5
8
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9
%
f
o
r
p
u
r
p
o
s
e
f
u
ln
ess
,
an
d
6
8
.
9
%
f
o
r
ac
h
iev
em
e
n
t.
Fin
ally
,
in
T
ab
le
7
,
th
e
W
ald
s
co
r
es
ar
e
g
r
ea
ter
th
an
4
in
all
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p
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0
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e
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e
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e
o
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3
3
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2
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r
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m
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l
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g
th
at
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ig
n
if
ican
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im
p
ac
ts
m
en
tal
h
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lth
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o
s
itiv
e
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o
tio
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s
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m
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t,
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n
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o
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atio
n
,
p
u
r
p
o
s
e,
a
n
d
ac
h
iev
em
en
t.
T
ab
le
4
.
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r
m
ality
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y
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a
r
iab
les an
d
d
im
en
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io
n
s
V
a
r
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a
b
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m
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n
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1
0
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ab
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5
.
L
ik
elih
o
o
d
r
atio
test
s
f
o
r
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in
m
en
tal
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lth
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n
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it
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a
i
n
a
b
il
i
t
y
o
f
i
n
t
e
r
p
e
r
s
o
n
a
l
r
el
a
t
i
o
n
s
h
i
p
s
,
i
t
ca
n
n
e
g
a
t
i
v
e
l
y
a
f
f
e
c
t
t
h
e
i
n
t
e
r
ac
ti
o
n
w
i
t
h
t
e
a
m
m
a
t
es
a
n
d
s
u
p
e
r
v
i
s
o
r
s
.
T
h
e
r
esu
lts
o
f
th
is
r
esear
ch
r
ep
r
esen
t
a
r
elev
an
t
co
n
t
r
ib
u
ti
o
n
o
f
a
s
o
cial
n
atu
r
e,
s
in
ce
,
b
ased
o
n
a
s
p
ec
if
ic
s
am
p
le
o
f
u
n
iv
er
s
ity
s
tu
d
en
ts
,
th
e
r
is
k
s
an
d
d
a
n
g
er
s
in
v
o
lv
e
d
in
th
e
u
s
e
o
f
SNs
an
d
th
ei
r
ef
f
ec
ts
o
n
m
en
tal
h
ea
lth
h
a
v
e
b
ee
n
ad
d
r
ess
ed
.
T
h
is
is
alig
n
ed
with
th
e
wo
r
k
ca
r
r
ied
o
u
t
b
y
Gu
p
ta
et
a
l
.
[
2
5
]
wh
o
p
o
in
ted
o
u
t
th
at
SNs
ca
n
n
o
t
o
n
ly
af
f
ec
t
d
aily
b
eh
av
io
r
in
d
if
f
er
en
t
s
o
cial
s
ce
n
ar
i
o
s
b
u
t
also
h
av
e
an
i
m
p
ac
t
o
n
ac
ad
em
ic
p
er
f
o
r
m
an
ce
a
n
d
th
e
s
u
s
tain
ed
co
n
tin
u
ity
o
f
th
e
d
ev
elo
p
m
e
n
t
o
f
f
am
ily
r
elati
o
n
s
h
ip
s
.
Ho
wev
er
,
n
o
t
ev
er
y
t
h
in
g
ca
n
b
e
co
n
s
id
er
ed
n
eg
ativ
e
c
o
n
ce
r
n
in
g
th
e
u
s
e
o
f
SS
R
s
.
On
th
e
o
th
er
h
an
d
,
s
o
m
e
r
esear
ch
er
s
h
av
e
s
h
o
wn
th
e
o
p
p
o
r
tu
n
ities
th
at
ca
n
ar
is
e
f
r
o
m
th
e
r
esp
o
n
s
ib
le
u
s
e
o
f
SNs
an
d
th
e
u
s
e
o
f
th
eir
p
o
ten
tial
f
o
r
th
e
p
r
o
m
o
tio
n
o
f
m
en
tal
h
ea
lth
,
s
u
ch
as
t
h
e
em
er
g
en
ce
o
f
t
h
e
m
etav
er
s
e,
ar
tific
ial
in
tellig
e
n
ce
,
th
e
a
n
aly
s
is
o
f
b
ig
d
ata
p
r
esen
t
in
th
e
d
aily
c
o
n
s
u
m
p
tio
n
o
f
co
n
te
n
t,
co
m
m
en
ts
,
r
ea
ctio
n
s
,
an
d
g
r
o
u
p
m
e
m
b
er
s
h
ip
,
w
h
ich
ca
n
o
p
en
th
e
d
o
o
r
to
ea
r
ly
d
ete
ctio
n
o
f
p
s
y
ch
o
lo
g
ical
p
r
o
b
l
em
s
[
7
]
,
[
2
6
]
,
[
2
7
]
.
Ho
we
v
e
r
,
to
ac
h
ie
v
e
th
ese
b
en
ef
its
,
an
ef
f
o
r
t
is
n
ee
d
ed
to
m
ak
e
th
e
au
d
ien
ce
an
ac
tiv
e
p
ar
ticip
an
t
with
h
elp
f
u
l
in
f
o
r
m
atio
n
,
g
en
e
r
atin
g
attr
ac
tiv
e
co
n
ten
t a
cc
o
r
d
in
g
to
th
e
p
latf
o
r
m
an
d
tar
g
et
au
d
ie
n
ce
[
2
8
]
.
R
eg
ar
d
in
g
SNs
an
d
th
ei
r
im
p
ac
t
o
n
m
en
tal
h
ea
lth
,
B
r
ag
h
ier
i
et
a
l
.
[
2
9
]
o
b
tain
e
d
r
e
s
u
lts
th
at
co
m
p
lem
en
t
th
e
f
i
n
d
in
g
s
.
T
h
e
s
e
r
esear
ch
er
s
d
etec
ted
th
at
m
en
tal
h
ea
lth
p
r
o
b
lem
s
in
u
n
iv
er
s
ity
s
tu
d
en
ts
ar
e
ass
o
ciate
d
with
th
e
u
s
e
o
f
S
Ns
,
m
ain
ly
s
in
ce
th
e
ap
p
ea
r
a
n
ce
o
f
th
e
s
o
cial
n
etwo
r
k
Fa
ce
b
o
o
k
,
d
u
e
to
th
e
f
r
eq
u
e
n
cy
o
f
u
s
e
an
d
th
e
way
p
eo
p
le
i
n
ter
ac
t;
th
er
e
f
o
r
e,
SNs
h
av
e
a
s
ig
n
if
ica
n
t
in
f
l
u
en
ce
o
n
th
e
d
ev
elo
p
m
en
t
o
f
m
en
tal
d
is
o
r
d
er
s
i
n
ad
o
lescen
ts
an
d
y
o
u
n
g
a
d
u
lts
.
I
n
th
e
s
am
e
co
n
tex
t,
J
ab
b
o
u
r
et
a
l
.
[
3
0
]
a
g
r
ee
th
at
SNs
wer
e
d
elib
er
ately
u
s
ed
to
m
is
in
f
o
r
m
u
s
er
s
,
wh
ich
h
as
g
en
e
r
ated
n
eg
ativ
e
s
itu
atio
n
s
th
at
af
f
ec
ted
th
e
m
en
tal
h
ea
lth
o
f
y
o
u
n
g
s
tu
d
en
ts
.
An
ex
am
p
le
o
f
th
is
was
th
e
m
is
r
e
p
r
esen
tatio
n
o
f
m
ed
ical
in
f
o
r
m
atio
n
o
n
SNs
an
d
u
n
f
o
u
n
d
e
d
co
m
m
en
ts
d
u
r
in
g
th
e
C
OVI
D
-
1
9
p
a
n
d
em
ic.
T
h
is
led
to
a
n
e
g
ativ
e
im
p
ac
t
o
n
th
e
m
en
tal
h
ea
lth
o
f
s
tu
d
en
ts
,
as it le
d
th
em
to
ex
p
er
ien
ce
g
r
ea
t f
e
ar
an
d
r
ejec
tio
n
o
f
v
ac
cin
atio
n
a
g
ain
s
t th
e
v
i
r
u
s
.
T
h
e
r
esu
lts
o
f
th
is
s
tu
d
y
s
h
o
u
ld
b
e
c
o
n
s
id
er
ed
as
a
p
o
in
t
o
f
s
u
p
p
o
r
t
f
o
r
f
u
t
u
r
e
r
esear
ch
,
t
ak
in
g
in
t
o
ac
co
u
n
t
th
e
lim
itatio
n
s
d
etec
ted
.
First
o
f
all,
th
e
p
o
p
u
latio
n
r
esp
o
n
d
s
to
a
ce
r
tain
s
ec
to
r
o
f
s
o
ciety
(
u
n
iv
er
s
ity
s
tu
d
en
ts
)
,
in
a
d
d
itio
n
to
th
e
f
a
ct
th
at
th
e
s
am
p
lin
g
p
er
f
o
r
m
e
d
o
n
l
y
in
th
is
s
tu
d
en
t
s
ec
to
r
,
c
o
u
ld
g
en
er
ate
b
iases
in
th
e
p
r
o
ce
s
s
in
g
an
d
in
ter
p
r
etatio
n
o
f
t
h
e
r
esu
lts
.
Ho
wev
er
,
d
esp
ite
th
ese
lim
itatio
n
s
,
it
was
p
o
s
s
ib
le
to
o
b
s
er
v
e
c
o
in
cid
en
ce
s
with
o
t
h
er
s
tu
d
ies
o
f
a
s
im
ilar
n
atu
r
e.
Fin
ally
,
s
tu
d
ies
at
th
e
p
o
p
u
lati
o
n
lev
el
in
v
o
lv
in
g
m
o
r
e
v
u
ln
er
a
b
le
s
o
cial
s
ec
to
r
s
ar
e
s
u
g
g
ested
,
as
well
as
th
e
ev
alu
atio
n
o
f
th
e
im
p
ac
t
o
f
th
e
u
s
e
o
f
s
o
cial
m
ed
ia
o
n
th
e
v
ar
io
u
s
d
im
en
s
i
o
n
s
o
f
m
en
tal
h
ea
lth
,
co
n
s
id
e
r
in
g
th
e
d
if
f
er
e
n
t
ch
ar
ac
ter
is
tics
o
f
th
e
ex
is
tin
g
p
latf
o
r
m
s
o
n
th
e
m
ar
k
et.
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
I
n
flu
en
ce
o
f so
ci
a
l n
etw
o
r
ks o
n
th
e
men
ta
l
h
ea
lth
o
f
u
n
ivers
ity
s
tu
d
en
ts
…
(
N
ilto
n
Da
vid
V
ilch
ez Ga
la
r
z
a
)
1139
4.
CO
NCLU
SI
O
N
T
h
e
r
esu
lts
o
b
tain
ed
wer
e
b
as
ed
o
n
th
e
ca
lcu
latio
n
o
f
Nag
el
k
er
k
e
’
s
Ps
eu
d
o
X2
f
o
r
s
o
cial
n
etwo
r
k
s
.
I
n
m
en
tal
h
ea
lth
an
d
d
im
en
s
i
o
n
s
,
as
well
as
th
e
W
ald
s
co
r
es,
it
s
tan
d
s
o
u
t
th
at
th
e
u
s
e
o
f
SNs
s
h
o
ws
a
h
ig
h
p
r
o
p
e
n
s
ity
to
g
en
er
ate
n
eg
at
iv
e
ef
f
ec
ts
o
n
th
e
m
en
tal
h
ea
lth
o
f
s
tu
d
en
ts
.
T
h
is
is
a
s
s
o
ciate
d
with
th
e
d
is
tr
ac
tio
n
g
en
e
r
ated
b
y
th
eir
ac
ce
s
s
,
th
e
co
m
p
ar
is
o
n
with
t
h
e
life
s
ty
le
an
d
ap
p
ea
r
an
ce
s
s
h
o
wn
in
th
e
f
ee
d
s
,
wh
ich
lead
s
th
em
to
estab
lis
h
n
eg
ativ
e
r
elatio
n
s
h
ip
s
with
o
t
h
er
p
eo
p
le.
Similar
ly
,
it c
an
lead
p
eo
p
le
to
f
ac
e
d
o
u
b
ts
an
d
in
s
ec
u
r
ities
r
elate
d
to
th
eir
b
elo
n
g
in
g
an
d
ac
ce
p
tan
ce
in
s
o
cial
g
r
o
u
p
s
o
r
co
m
m
u
n
ities
.
T
h
is
d
r
iv
es th
em
to
s
ee
k
m
ea
n
s
o
f
ad
ap
tatio
n
an
d
ac
ce
p
ta
n
ce
,
in
m
an
y
ca
s
es
u
n
d
u
e,
as
well
as
th
e
ad
o
p
tio
n
o
f
s
ter
eo
t
y
p
ical
b
e
h
av
io
r
s
,
as
well
as
m
o
d
els
o
r
f
ash
io
n
s
r
elate
d
to
tr
en
d
s
with
in
s
o
cial
s
ec
to
r
s
.
I
n
th
is
a
s
p
ec
t,
b
ec
au
s
e
th
e
u
s
e
o
f
SNs
s
ig
n
if
ican
tly
in
f
l
u
en
ce
s
m
en
t
al
h
ea
lth
,
it
m
a
y
b
e
u
s
ef
u
l
to
s
ee
k
th
e
s
u
p
p
o
r
t
o
f
a
p
r
o
f
ess
io
n
al
wh
o
ca
n
h
elp
n
o
t
o
n
ly
to
estab
lis
h
tim
e
lim
it
s
f
o
r
th
e
u
s
e
o
f
th
is
to
o
l,
b
u
t
also
f
o
r
th
e
s
tu
d
en
t
t
o
b
e
awa
r
e
o
f
h
o
w
h
e
o
r
s
h
e
f
ee
ls
wh
ile
u
s
in
g
it
an
d
,
in
tu
r
n
,
tak
e
r
eg
u
lar
b
r
ea
k
s
to
d
is
co
n
n
ec
t a
n
d
f
o
cu
s
o
n
o
f
f
lin
e
ac
tiv
ities
.
C
o
n
ce
r
n
in
g
th
e
v
alu
e
d
eter
m
i
n
ed
f
r
o
m
Nag
elk
e
r
k
e
’
s
Ps
eu
d
o
X2
,
r
eg
ar
d
in
g
th
e
im
p
ac
t
o
f
SNs
o
n
m
en
tal
h
ea
lth
,
th
e
v
ar
iab
les
in
clu
d
ed
in
th
e
m
o
d
el
em
p
lo
y
ed
h
av
e
a
co
n
s
id
er
ab
le
ef
f
ec
t
o
n
th
e
r
esu
lts
,
ex
p
lain
in
g
m
o
r
e
t
h
an
h
al
f
o
f
th
e
v
ar
iab
ilit
y
o
b
s
er
v
ed
.
Ho
we
v
er
,
it
also
h
ig
h
lig
h
ts
th
e
n
ee
d
to
co
n
s
id
er
o
th
e
r
ad
d
itio
n
al
f
ac
to
r
s
to
f
u
lly
u
n
d
er
s
tan
d
th
eir
i
n
f
lu
en
ce
o
n
m
en
tal
h
ea
lth
.
Fin
ally
,
c
o
n
s
cio
u
s
ly
in
ter
ac
tin
g
o
n
s
o
cial
m
ed
ia
ca
n
h
elp
c
o
lleg
e
s
tu
d
en
ts
m
ain
tain
co
n
tact
with
f
r
ie
n
d
s
a
n
d
f
am
ily
,
esp
ec
ially
th
o
s
e
wh
o
ar
e
f
a
r
awa
y
.
T
h
is
lead
s
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[
1
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.
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[
3
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[
4
]
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.
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[
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1
3
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[
2
7
]
S
.
S
.
U
sma
n
i
,
M
.
S
h
a
r
a
t
h
,
a
n
d
M
.
M
e
h
e
n
d
a
l
e
,
“
F
u
t
u
r
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o
f
m
e
n
t
a
l
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a
l
t
h
i
n
t
h
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me
t
a
v
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r
s
e
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e
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ra
l
Ps
y
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.
[
2
8
]
D
.
M
c
C
a
sh
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n
d
C
.
M
.
M
u
r
p
h
y
,
“
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si
n
g
T
i
k
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f
o
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p
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b
l
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st
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t
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t
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l
y
s
i
s,
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l
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c
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l
C
h
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d
Psy
c
h
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[
2
9
]
L.
B
r
a
g
h
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e
r
i
,
R
.
Le
v
y
,
a
n
d
A
.
M
a
k
a
r
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n
,
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o
c
i
a
l
me
d
i
a
a
n
d
me
n
t
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l
h
e
a
l
t
h
,
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Am
e
r
i
c
a
n
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o
n
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m
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e
v
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w
,
v
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l
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p
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2
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0
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1
2
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7
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e
r
.
2
0
2
1
1
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1
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.
[
3
0
]
D
.
Ja
b
b
o
u
r
,
J.
E
l
M
a
sr
i
,
R
.
N
a
w
f
a
l
,
D
.
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l
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e
b
,
a
n
d
P
.
S
a
l
a
m
e
h
,
“
S
o
c
i
a
l
med
i
a
me
d
i
c
a
l
mi
s
i
n
f
o
r
ma
t
i
o
n
:
i
m
p
a
c
t
o
n
me
n
t
a
l
h
e
a
l
t
h
a
n
d
v
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c
c
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t
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o
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s
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m
o
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g
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n
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v
e
r
si
t
y
st
u
d
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n
t
s
,
”
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r
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s
h
J
o
u
rn
a
l
o
f
Me
d
i
c
a
l
S
c
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e
n
c
e
,
v
o
l
.
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9
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,
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o
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p
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2
9
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0
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o
i
:
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0
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1
0
0
7
/
s
1
1
8
4
5
-
022
-
0
2
9
3
6
-
9.
B
I
O
G
RAP
H
I
E
S O
F
AUTH
O
RS
Nilto
n
Da
v
id
Vi
lchez
G
a
l
a
r
z
a
is
a
P
sy
c
h
o
l
o
g
ist
fr
o
m
Ala
s
P
e
ru
a
n
a
s
Un
i
v
e
rsity
.
Ba
c
h
e
lo
r
’
s
d
e
g
re
e
fro
m
Lo
s
A
n
d
e
s
P
e
ru
v
ian
Un
iv
e
rsity
,
o
n
e
o
f
t
h
e
m
o
st
p
re
stig
i
o
u
s
i
n
stit
u
ti
o
n
s
in
t
h
e
J
u
n
i
n
R
e
g
io
n
.
M
a
ste
r
i
n
E
d
u
c
a
ti
o
n
a
l
P
sy
c
h
o
lo
g
y
fro
m
Ce
sa
r
Va
ll
e
jo
U
n
iv
e
rsit
y
.
He
h
a
s
in
tern
a
ti
o
n
a
l
trai
n
in
g
i
n
d
iale
c
ti
c
a
l
b
e
h
a
v
i
o
ra
l
t
h
e
ra
p
y
a
n
d
sp
e
c
ial
iza
ti
o
n
i
n
c
o
u
p
le
a
n
d
fa
m
il
y
th
e
ra
p
y
.
S
e
c
o
n
d
s
p
e
c
ialty
i
n
F
o
re
n
sic
P
sy
c
h
o
l
o
g
y
fro
m
Ala
s
P
e
ru
a
n
a
s
Un
iv
e
rsit
y
.
I
n
tern
a
ti
o
n
a
l
Dip
lo
m
a
i
n
Re
se
a
rc
h
a
n
d
De
v
e
l
o
p
m
e
n
t
a
t
t
h
e
Ce
n
tr
o
U
n
iv
e
rsita
rio
I
n
c
a
rn
a
te
Wo
rd
,
M
e
x
ic
o
Cit
y
c
a
m
p
u
s.
Di
p
lo
m
a
o
f
p
ro
fe
ss
i
o
n
a
l
sp
e
c
ializa
ti
o
n
in
R
e
se
a
rc
h
M
e
th
o
d
o
l
o
g
y
a
n
d
F
o
rm
u
latio
n
o
f
Th
e
sis
P
ro
jec
ts
a
t
th
e
Un
i
v
e
rsid
a
d
Na
c
io
n
a
l
M
a
y
o
r
d
e
S
a
n
M
a
rc
o
s
(F
a
c
u
lt
y
o
f
Ec
o
n
o
m
ic
S
c
ien
c
e
s).
Cu
rre
n
tl
y
,
h
e
c
o
n
d
u
c
ts
re
se
a
rc
h
fo
r
p
u
b
li
c
a
ti
o
n
a
t
th
e
L
o
s An
d
e
s P
e
ru
v
ian
U
n
iv
e
rsit
y
a
n
d
se
rv
e
s
a
s
De
p
u
ty
Dire
c
to
r
o
f
Re
se
a
rc
h
a
n
d
G
ra
d
u
a
te
S
tu
d
ies
a
t
th
e
Ch
a
n
c
h
a
m
a
y
o
,
UPL
A
Ca
m
p
u
s.
He
c
a
n
b
e
c
o
n
tac
ted
a
t
e
m
a
il
:
d
.
n
v
il
c
h
e
z
@m
s.u
p
la.ed
u
.
p
e
.
Lu
is
Ang
e
l
H
u
a
y
n
a
te
Espejo
is
a
P
sy
c
h
o
l
o
g
ist
fro
m
L
o
s
An
d
e
s
P
e
ru
v
ian
Un
iv
e
rsity
.
G
ra
d
u
a
te o
f
th
e
M
a
ste
r
’
s De
g
re
e
in
Ed
u
c
a
ti
o
n
wi
th
a
m
e
n
ti
o
n
in
Tea
c
h
in
g
in
Hi
g
h
e
r
Ed
u
c
a
ti
o
n
fr
o
m
Co
n
ti
n
e
n
tal
Un
i
v
e
rsity
.
G
ra
d
u
a
ted
with
a
M
a
ste
r
’
s
De
g
re
e
in
P
sy
c
h
o
l
o
g
y
with
a
m
e
n
ti
o
n
in
P
re
v
e
n
t
io
n
a
n
d
In
t
e
rv
e
n
ti
o
n
i
n
C
h
il
d
re
n
a
n
d
Ad
o
le
sc
e
n
ts
fro
m
th
e
L
o
s
An
d
e
s
P
e
ru
v
ian
Un
i
v
e
rsity
.
He
h
a
s
b
e
e
n
a
u
n
iv
e
rsity
p
r
o
fe
ss
o
r
a
n
d
c
o
o
r
d
in
a
t
o
r
o
f
t
h
e
S
o
c
ial
P
ro
jec
ti
o
n
a
n
d
Un
i
v
e
rsity
Ex
te
n
sio
n
se
c
ti
o
n
o
f
th
e
Lo
s
An
d
e
s
P
e
ru
v
ian
Un
i
v
e
rsity
.
He
h
a
s
c
o
ll
a
b
o
ra
ted
a
s
th
e
m
a
in
a
u
th
o
r
a
n
d
c
o
-
a
u
t
h
o
r
in
se
v
e
ra
l
p
u
b
li
c
a
ti
o
n
s.
He
is
c
u
rre
n
tl
y
c
o
n
d
u
c
ti
n
g
re
se
a
rc
h
f
o
r
p
u
b
li
c
a
ti
o
n
a
t
t
h
e
Lo
s
An
d
e
s
P
e
ru
v
ian
Un
iv
e
rsity
.
He
c
a
n
b
e
c
o
n
tac
ted
a
t
e
m
a
il
:
lh
u
a
y
n
a
te@
m
s.u
p
la.ed
u
.
p
e
.
Ca
r
m
e
n
R
o
c
ío
Ric
r
a
Ec
h
e
v
a
r
r
ía
is
a
Nu
rse
,
M
a
ste
r
i
n
P
u
b
l
ic
a
n
d
Co
m
m
u
n
it
y
He
a
lt
h
,
P
h
.
D
in
P
u
b
li
c
He
a
lt
h
,
with
2
1
y
e
a
rs
o
f
a
c
a
d
e
m
ic
wo
rk
a
t
th
e
Na
ti
o
n
a
l
Un
iv
e
rsity
Da
n
iel
Alc
id
e
s
Ca
rrió
n
,
in
th
e
P
ro
fe
ss
io
n
a
l
S
c
h
o
o
l
o
f
Nu
rsi
n
g
,
Tarm
a
,
with
m
a
n
a
g
e
m
e
n
t
e
x
p
e
rien
c
e
a
s
d
irec
to
r
o
f
th
e
Re
se
a
rc
h
Un
it
o
f
th
e
F
a
c
u
lt
y
o
f
He
a
lt
h
S
c
ien
c
e
s,
d
irec
to
r
o
f
t
h
e
Nu
rsin
g
P
r
o
g
ra
m
,
Ad
m
issio
n
s
C
o
o
r
d
in
a
ti
o
n
,
He
a
d
o
f
Ac
a
d
e
m
ic
Re
c
o
rd
s.
S
h
e
c
a
n
b
e
c
o
n
tac
ted
a
t
e
m
a
il
:
c
ricra
@u
n
a
a
t.
e
d
u
.
p
e
.
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