To explore the relationships among parenting styles, children's electronic media usage (EMU) and children's problem behaviours (CPB), 1,224 preschoolers aged 3-6 years old (52.0% boys; 30.9% aged 3 years old, 34.6% aged 4 years old, 26.1% aged 5 years old, and 8.4% aged 6 years old) and their parents were enrolled in the present study by means of…

The Self-Efficacy for Musical Learning questionnaire was adapted and tested with 404 primary school children, producing a robust Cronbach alpha (0.87) and confirming a single underlying factor through exploratory factor analysis. Test-retest scores showed the measure's stability over a 9-month period. Data were collected on children's prior music…