Matching methods such as nearest neighbor propensity score matching are increasingly popular techniques for controlling confounding in nonexperimental studies. However, simple k:1 matching methods, which select k well-matched comparison individuals for each treated individual, are sometimes criticized for being overly restrictive and discarding…

Two experiments examined developmental patterns in children's conditional reasoning with everyday causal conditionals. In Experiment 1, a group of pre-, early, young, and late adolescents generated counterexamples for a set of conditionals to validate developmental claims about the counterexample retrieval capacity. In Experiment 2, participants…

Daniel Offer's seminal writings in the 1960s led to a realization that normal adolescence was not characterized by turmoil and upheaval, the then prevailing view that derived from studies of clinical samples. In this paper, the research findings that have appeared over the last four decades are reviewed with respect to the overall features of…

Describes a theory of cognition which posits specialized structural systems (SSSs) that enable individuals to represent and understand domains of knowledge. Three test batteries assessed 12-16 year olds' abilities to think combinatorially, form hypotheses, design experiments, and construct models or theories. Suggests that the results of tests…

The development of civic responsibility is considered to be an important component of healthy adolescent development. However, the study of its development has been relatively neglected and few studies have attempted to ground understanding of its development in a theoretical framework. The present study operationalized civic responsibility as…