It is important to account for timing of puberty when studying the adolescent brain and cognition. The use of classical methods for assessing pubertal status may not be feasible in some studies, especially in male adolescents. Using data from a sample of 478 males from a longitudinal birth cohort, we describe the calculations of three independent…

This longitudinal study analyzed associations of problem behavior with the attainment of developmental tasks in 133 adolescents with visual impairment and 449 sighted peers. Higher levels of initial problem behavior predicted less progress in the attainment of developmental tasks at the one-year follow-up only in sighted adolescents. This…

This paper investigates the relationship between the frequency of parent-adolescent conflict and the quality of adaptation of immigrant Albanian adolescents and of their native Greek classmates. Aims of the present study were: (a) to compare the frequency of immigrant and non-immigrant adolescents' conflicts with their parents; (b) to compare the…