contents i Sixth Edition Michael G. Aamodt Radford University and DCI Consulting Industrial/Organizational Psychology: An Applied Approach Australia • Brazil • Japan • Korea • Mexico • Singapore • Spain United Kingdom • United States © 2010, 2007 Cengage Learning ALL RIGHTS RESERVED. No part of this work covered by the copyright herein may be reproduced, transmitted, stored or used in any form or by any means graphic, electronic, or mechanical, including but not limited to photocopying, recording, scanning, digitizing, taping, Web distribution, information networks, or information storage and retrieval systems, except as permitted under Section 107 or 108 of the 1976 United States Copyright Act, without the prior written permission of the publisher. Library of Congress Control Number: 2008940540 ISBN-13: 978-0-495-60106-7 ISBN-10: 0-495-60106-3 Wadsworth 10 Davis Drive Belmont, CA 94002-3098 USA Cengage Learning is a leading provider of customized learning solutions with offi ce locations around the globe, including Singapore, the United Kingdom, Australia, Mexico, Brazil, and Japan. Locate your local offi ce at www.cengage.com/international. Cengage Learning products are represented in Canada by Nelson Education, Ltd. To learn more about Wadsworth, visit www.cengage.com/Wadsworth Purchase any of our products at your local college store or at our preferred online store www.ichapters.com. Industrial/Organizational Psychology, Sixth Edition Michael G. Aamodt Psychology Editor: Jon-David Hague Assistant Editor: Trina Tom Senior Editorial Assistant: Trina Tom Associate Media Editor: Rachel Guzman Marketing Manager: Tierra Morgan Marketing Assistant: Molly Felz Marketing Communications Manager: Talia Wise Project Manager, Editorial Production: Charlene M. Carpentier Creative Director: Rob Hugel Art Director: Vernon Boes Print Buyer: Linda Hsu Permissions Editor: Roberta Broyer Production Service: Integra Photo Researcher: Pre-PressPMG Copy Editor: Integra Cover Designer: Paula Goldstein Cover Image: Rubberball/Getty Images Compositor: Integra For product information and technology assistance, contact us at Cengage Learning Customer & Sales Support, 1-800-354-9706. For permission to use material from this text or product, submit all requests online at www.cengage.com/permissions. Further permissions questions can be e-mailed to