Variables | M(SD) | S | K | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
1. Age | 13.82(1.53) | −0.05 | −1.60 | 1 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
2. Gender | − | − | − | − | 1 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
3. T1 Parent–child relationship | 3.16(0.59) | 0.08 | 0.96 | −0.04 | 0.02 | 1 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
4. T1 Psychological need frustration | 2.81(0.77) | 0.10 | −0.16 | 0.13*** | 0.01 | −0.29*** | 1 | Ìý | Ìý | Ìý | Ìý | Ìý |
5. T1 Self-esteem | 2.68(0.47) | −0.38 | 0.25 | −0.03 | −0.06** | 0.28*** | −0.69*** | 1 | Ìý | Ìý | Ìý | Ìý |
6. T1 Internet addiction | 2.39(0.86) | 0.28 | −0.32 | 0.27*** | −0.06** | −0.19*** | 0.37*** | −0.26*** | 1 | Ìý | Ìý | Ìý |
7. T2 Psychological need frustration | 2.78(0.84) | 0.05 | −0.1 | 0.09*** | 0.05* | −0.34*** | 0.59*** | −0.50*** | 0.30*** | 1 | Ìý | Ìý |
8. T2 Self-esteem | 2.68(0.48) | −0.36 | 0.47 | 0.02 | −0.08*** | 0.33*** | −0.54*** | 0.64*** | −0.21*** | −0.70*** | 1 | Ìý |
9. T3 Internet addiction | 2.43(0.88) | 0.18 | −0.45 | 0.18*** | −0.02 | −0.25*** | 0.32*** | −0.25*** | 0.52*** | 0.41*** | −0.32*** | 1 |