1^st grade (A)

2^nd grade (B)

3^rd grade (C)

Multiple comparison

M ± SD

M ± SD

M ± SD

Homework

3.91 ± 0.29

3.80 ± 0.55

3.89 ± 0.38

Reviews

3.36 ± 0.48

3.26 ± 0.63

3.20 ± 0.82

Preparations

3.44 ± 0.69

3.15 ± 0.77

3.29 ± 0.76

B < A

Small tests

3.58 ± 0.62

3.42 ± 0.69

3.38 ± 0.78

Test plans

3.14 ± 0.55

2.93 ± 0.83

3.18 ± 0.89

Daily plans

3.47 ± 0.63

3.79 ± 0.47

3.24 ± 0.93

C < B

Attitudes in class

3.49 ± 0.63

3.28 ± 0.59

3.51 ± 0.55

Taking notes

3.69 ± 0.51

3.84 ± 0.37

3.59 ± 0.84

Speech in class

3.73 ± 0.45

3.58 ± 0.50

3.41 ± 0.58

C < A

Syllabus

3.89 ± 0.32

3.88 ± 0.32

3.76 ± 0.44

Time of after-school activities

2.93 ± 0.84

2.54 ± 0.82

2.85 ± 1.06

Study time on weekdays

2.38 ± 0.78

2.66 ± 0.88

2.49 ± 0.97

Study time on holidays

2.62 ± 0.83

3.17 ± 1.06

3.07 ± 0.92

A < B