| Minimum value | Maximum value | Mean value | Standard deviation | Skewness | Kurtosis |
Parental phubbing | 1.00 | 4.67 | 2.71 | 0.66 | 0.16 | 0.11 |
Adolescent loneliness | 1.06 | 4.00 | 2.39 | 0.58 | 0.14 | −0.34 |
Adolescents’ learning engagement | 1.00 | 6.53 | 4.20 | 1.05 | −0.95 | 1.05 |