Table 2.
Descriptive statistics and correlations among the research variables.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | |
|---|---|---|---|---|---|---|---|
| 1. GM T1 | |||||||
| 2. ENT T2 | −0.09 *** | ||||||
| 3. PSU T2 | −0.10 *** | 0.55 *** | |||||
| 4. Anxiety T2 | −0.05 * | 0.30 *** | 0.37 *** | ||||
| 5. Anxiety T3 | −0.07 *** | 0.20 *** | 0.21 *** | 0.31 *** | |||
| 6. Depression T2 | −0.11 *** | 0.33 *** | 0.40 *** | 0.78 *** | 0.32 *** | ||
| 7. Depression T3 | −0.11 *** | 0.16 *** | 0.23 *** | 0.29 *** | 0.72 *** | 0.35 *** | |
| M | 4.17 | 2.06 | 1.92 | 1.44 | 1.73 | 1.73 | 1.80 |
| SD | 1.07 | 0.60 | 0.63 | 0.58 | 0.66 | 0.49 | 0.50 |
Note: GM = growth mindset; ENT = smartphone use for entertainment; PSU = problematic smartphone use; T1 = Time 1; T2 = Time 2; T3 = Time 3. * p < 0.05. *** p < 0.001.