Adult Development and Aging

Workbook for Introductory Statistics for the Behavioral Sciences

An introduction to theories of personality

Study guide to accompany Introductory statistics for the behavioral sciences, fifth edition, by Joan Welkowitz, Robert B. Ewen, and Jacob Cohen

Personality, a topical approach

Workbook for Introductory statistics for the behavioral sciences, third edition

Introduction to Theories of Personality

An Introduction to Theories of Personality/Instructor's Manual

Study Guide to Accompany Introductory Statistics for the Behavioral Sciences

Study Guide to Introductory Statistics

Introductory Statistics for the Behavioral Sciences