Theories of Personality, 12th Edition

Duane P. Schultz is a former professor of psychology at the University of South Florida. He has also held faculty appointments at the University of North Carolina at Charlotte, Mary Washington College of the University of Virginia (now the University of Mary Washington), American University in Washington, D.C., and the University of Groningen in the Netherlands. Dr. Schultz and his wife, Sydney Ellen Schultz, are a well-regarded textbook author team.

Sydney Ellen Schultz is a writer, editor and researcher who has developed print and digital publications and teaching materials for publishers, government agencies, schools and professional associations. She and her husband, Duane Schultz, are well-regarded textbook authors.

Heather M. Maranges is a theoretical and empirical scholar whose research has been featured in some of the top-tier academic journals in personality and social psychology. She has also authored edited book chapters, encyclopedia entries and a textbook. She was awarded her doctorate in social and personality psychology from Florida State University (Tallahassee, FL). She also received the the prestigious Horizon Postdoctoral Fellowship for research at Concordia University (Montreal, QC, CA) before serving as director of research at a program focused on moral character at Wake Forest University (Winston Salem, NC). Currently, Heather conducts research at Florida State University. Her program of research focuses on what facilitates and hampers cooperation and flourishing, including individual differences, moral cognition, childhood ecologies and social bias and stereotyping.