Individual differences in emotional reactivity emerge early in development and predict important child outcomes. Unfortunately, methods used to assess these often fail to tap dynamic changes in emotion, obscuring nuanced relationships between maladaptive emotional reactivity and early internalizing psychopathology. We therefore explored the…

Premature infants have significant risk for later behavior problems. This study examined growth trajectories of three problem behaviors across five developmental age points from preschool to early adulthood in a well-characterized sample of premature infants. The effects of neonatal risk, gender, and socioeconomic context were modeled on these…

This book reports on a 40-year longitudinal study of factors that foster or inhibit creativity over time. Students in elementary grades were originally evaluated from 1958 to 1964. Follow-up in 1980 led to development of a Manifesto for Children which summarized conclusions in the form of guidance for aphorisms such as "Don't be afraid to fall in…