This study was part of a larger project, which recruited 2,758 adolescents from 10 middle schools through stratified random sampling in Guangdong Province, China. Of those schools, 63 classes in grades 7 to 9 were selected through random cluster sampling. Participants were between the age of 10 and 19 years (M = 13.53; SD = 1.06; 54% girls). Forty percent of their fathers and 31% of their mothers had graduated from high school; 35% of their fathers and 58% of their mothers had an unskilled or