Variable

Mean ± SD

1.

2.

3.

1) Parental phubbing

2.71 ± 0.66

1

2) Adolescent loneliness

2.39 ± 0.58

0.24**

1

.

3) Adolescent learning engagement

4.20 ± 1.05

−0.17**

−0.30**

1