1. Timing of puberty and reactions to pubertal changes;Alsaker,1995
2. Quantitative and qualitative research;Bryan,1993
3. School size as a factor in adolescents’ adjustment to the transition to secondary school;Cotterell;Journal of Early Adolescence,1992
4. Stage-environment fit;Eccles,1988
5. The social context of coping;Eckenrode,1991