Internet game level

Year 2004

Year 2005

Year 2006

Year 2007

Year 2008

Aggressiveness level

Year 2004

Year 2005

Year 2006

Year 2007

Year 2008

Self-esteem

Self-control

Depression

Stress

Parental attachment

Parental control

Teacher attachment

Peer attachment

3.47 ± 1.06

3.53 ± 1.05

3.42 ± 1.14

3.34 ± 1.22

3.30 ± 1.25

14.11 ± 4.54

14.54 ± 4.72

15.07 ± 4.59

15.54 ± 4.57

15.52 ± 4.60

20.95 ± 4.04

22.67 ± 4.12

12.65 ± 4.94

30.29 ± 11.26

22.40 ± 4.38

13.70 ± 3.83

8.21 ± 2.69

28.05 ± 3.80

1 - 5

1 - 5

1 - 5

1 - 5

1 - 5

6 - 30

6 - 30

6 - 30

6 - 30

6 - 30

6 - 30

6 - 30

6 - 30

16 - 73

6 - 30

4 - 20

3 - 15

10 - 35

−0.235

−0.357

−0.357

−0.355

−0.376

0.475

0.378

0.347

0.229

0.197

−0.068

−0.403

0.622

0.680

−0.350

−0.300

0.213

−0.520

−0.663

−0.518

−0.629

−0.780

−0.834

0.202

0.052

0.120

0.127

0.015

0.100

−0.150

−0.072

−0.138

−0.192

−0.433

−0.263

0.399