
Dr. Don J. Sharpsteen
Dr. Sharpsteen has been a professor of psychology for nearly 30 years, specializing in topics related to social psychology, personality, human development, research design, and statistics. He's the author of REA's CLEP Introductory Psychology, a best-selling test preparation guide for introductory/general psychology courses (with exceptionally strong reviews from students), and several video textbooks offered on Udemy.