Attempts to integrate the formulations of Brehm and Brehm and of Guidano and sets forth a cognitive theory of resistance and reactance within a cognitive developmental and individual differences context. Differentiates resistance from reactance and explores developmental antecedents of characterological reactance. Describes implications for…

Concerns knowledge and thinking of therapist who is link between theory and therapy. Based on self-analysis of single family consultation interview, theories employed and decision points are described. Suggests that therapists can espouse many theories or single ones, but are always confronted with difficult decisions. (Author/NB)

Demonstrates the use of Rasch models to assess the dimensionality of an item set across cohorts in longitudinal studies. Presents data from a study on adolescents' deductive reasoning ability showing that the same test items can be measuring qualitatively different latent traits in different subsamples or at different time points. (JPB)