Some researchers indicate that the transition to high school deflects adolescent developmental trajectories. Others assert that it provides a new possibility for the promotion of adolescents' socioemotional well-being. One critical view missing in such claims is that individual variabilities interact with environmental influences. We employed the…

Children's theory of mind (ToM) is typically measured with laboratory assessments of performance. Although these measures have generated a wealth of informative data concerning developmental progressions in ToM, they may be less useful as the sole source of information about individual differences in ToM and their relation to other facets of…

Data from four studies answer Carey's (1982, 1983) critical questions about the validity of the original Infant Temperament Questionnaire (ITQ). Discussion illuminates the complexity of establishing the construct validity of psychological assessments used with infants. Data suggest that both the original and revised Carey ITQs fail discriminant…