Table 2.

The mean, standard deviation, and correlation of research variables.

Variable	M	SD	1	2	3	4
1. Smartphone dependence	2.67	1.14	1
2. Parent–child conflict	2.41	0.93	0.39***	1
3. Internet addiction	2.11	0.88	0.61***	0.47***	1
4. Parental role			−0.12*	−0.04	−0.24***	1

^*p < 0.05, ^**p < 0.01, ^***p < 0.001.