Key points are not available for this paper at this time.
Ann S. Masten, J. Douglas Coatsworth, Jennifer Neemann, Scott D. Gest, Auke Tellegen, Norman Garmezy, The Structure and Coherence of Competence from Childhood Through Adolescence, Child Development, Vol. 66, No. 6 (Dec., 1995), pp. 1635-1659
Masten et al. (Fri,) studied this question.