Social Psychology Ninth Edition
Elliot Aronson
Timothy D. Wilson
Robin M. Akert
Samuel R. Sommers
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Library of Congress Cataloging-in-Publication Data Aronson, Elliot. Social psychology / Elliot Aronson, Timothy D. Wilson, Robin M. Akert, Samuel R. Sommers. — Ninth Edition. pages cm Revised editon of the authors’ Social psychology, 2013. ISBN 978-0-13-393654-4 (Student Edition) 1. Social psychology. I. Wilson, Timothy D. II. Akert, Robin M. III. Title. HM1033.A78 2016 302—dc23 2015016513
10 9 8 7 6 5 4 3 2 1
Student Edition ISBN-10: 0-13-393654-6 ISBN-13: 978-0-13-393654-4
Books à la Carte ISBN-10: 0-13-401239-9 ISBN-13: 978-0-13-401239-1
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To my grandchildren: Jacob, Jason, Ruth, Eliana, Natalie, Rachel, and Leo. My hope is that your capacity for empathy and compassion will help make
the world a better place.
—E.A.
To my family, Deirdre Smith, Christopher Wilson, and Leigh Wilson
—T.D.W.
To my mentor, colleague, and friend, Dane Archer
—R.M.A.
To my students—past, present, and future—for making