The goal of this article was to examine gender-typed behavior longitudinally and to consider its relationship with sexual orientation in adulthood. Data were from 10,624 respondents who completed Wave 1 (adolescence), Wave 3 (emerging adulthood), and Wave 4 (early adulthood) of the National Longitudinal Study of Adolescent to Adult Health. First,…

The developmental trajectories of several attention components, such as orienting, inhibition, and the guidance of selection by relevance (i.e., advance knowledge relevant to the task) were investigated in 498 participants (ages 7, 8, 9, 10, 11, and 20). The paradigm was based on Michael et al.'s (2006) master activation map model and consisted of…

This article proposes an evolutionary model of risky behavior in adolescence and contrasts it with the prevailing developmental psychopathology model. The evolutionary model contends that understanding the evolutionary functions of adolescence is critical to explaining why adolescents engage in risky behavior and that successful intervention…

P. Hegarty (2009) offered several critiques of the articles by G. Rieger, J. A. W. Linsenmeier, L. Gygax, and J. M. Bailey (2008) and K. D. Drummond, S. J. Bradley, M. Peterson-Badali, and K. J. Zucker (2008) that were published in a "Developmental Psychology" special section entitled "Sexual Orientation Across the Lifespan," guest-edited by C. J.…