Key points are not available for this paper at this time.
Barton J. Hirsch, Bruce D. Rapkin, The Transition to Junior High School: A Longitudinal Study of Self-Esteem, Psychological Symptomatology, School Life, and Social Support, Child Development, Vol. 58, No. 5, Special Issue on Schools and Development (Oct., 1987), pp. 1235-1243
Hirsch et al. (Thu,) studied this question.