Social class

Number

Cram school

Home work

Motivation

Attitude

Intensity

Instrumental

Integrative

Urban group

225

2.78

2.28

3.38

3.32

2.33

3.46

3.29

Rural group

295

2.11

2.37

3.25

3.70

2.35

3.43

3.07

All

520

2.40

2.33

3.31

3.34

2.34

3.45

3.16

Sig

.000

.127

.073

.489

.724

.675

.004