RT Article T1 Family instability during early and middle adolescence JF Journal of applied developmental psychology VO 29 IS 5 SP 380 OP 392 A1 Marcynyszyn, Lyscha A. A2 Eckenrode, John A2 Evans, Gary W. 1948- LA English YR 2008 UL https://krimdok.uni-tuebingen.de/Record/1912555441 DO 10.1016/j.appdev.2008.06.001