©2007 American Management Association. All rights reserved. This material may not be reproduced, stored in a retrieval system, or transmitted in whole or in part, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior writ- ten permission of the publisher. ISBN 13: 978-0-7612-1461-8 ISBN: 0-7612-1461-5 Printed in the United States of America. 10 9 8 7 6 5 4 3 2 1