A set of covariation problems was structured so that the solution pattern across problems would indicate the judgment rule used by each subject. A developmental trend across subjects in fourth, seventh, and tenth grades and in college demonstrated rule shifts toward use of increasingly accurate rules. (Author/RH)

Geometric matrix problems were presented to 11- and 14-year-olds and adults to investigate latency to solution as a function of number of elements (1-3) and of transformations (0-2) that had to be considered for correct solution. At all ages latencies increased as the number of elements and number of transformations increased. (Author/DB)

Correlated teens' strategies for regulating their attachment to their mothers as measured by the Adult Attachment Interview, and emotion regulation during teen-mother problem solving. Teens with secure strategies engaged in problem-solving discussions characterized by less dysfunctional anger and less avoidance of problem solving than other teens.…

Examines developmental patterns in the solution of verbal analogies. Twenty subjects in each of grades 3, 6, 9, and in college were tested on their relative abilities to solve 180 verbal analogies based on five different verbal relations. (CM)

Describes how applied developmental science (ADS) integrates developmental research with policies and programs promoting positive development or enhancing life chances of vulnerable children and families. Maintains that ADS contributes to social justice, promotes outreach, and serves as a model of how higher education may engage policymakers,…