F1

F2

F3

F4

M ± S

t

p

M ± S

t

p

M ± S

t

p

M ± S

t

p

Gender

Boy

3.20 ± 0.50

1.45

0.149

2.86 ± 0.41

0.14

0.892

2.60 ± 0.50

2.89

0.773

2.92 ± 0.28

1.23

0.221

Girl

3.28 ± 0.55

2.85 ± 0.38

2.61 ± 0.47

2.91 ± 0.28

Major

Science

3.24 ± 0.52

1.39

0.166

2.85 ± 0.49

0.79

0.428

2.58 ± 0.49

2.78

0.006

2.76 ± 0.66

1.14

0.254

Arts

3.24 ± 0.54

2.90 ± 0.45

2.78 ± 0.45

2.88 ± 0.68

Grade

High

3.23 ± 0.52

0.12

0.986

2.87 ± 0.40

0.44

0.664

2.53 ± 0.47

2.20

0.029

2.60 ± 0.63

4.10

0.000

Low

3.23 ± 0.51

2.85 ± 0.40

2.65 ± 0.49

2.87 ± 0.66