E-Book Content
Title Pages University Press Scholarship Online Oxford Scholarship Online Applied Longitudinal Data Analysis: Modeling Change and Event Occurrence Judith D. Singer and John B. Willett Print publication date: 2003 Print ISBN-13: 9780195152968 Published to Oxford Scholarship Online: September 2009 DOI: 10.1093/acprof:oso/9780195152968.001.0001 Title Pages (p.i) (p.iii) APPLIED LONGITUDINAL DATA ANALYSIS (p.ii) Applied Longitudinal Data Analysis 2003 (p.iv) Oxford New York Auckland Bangkok Buenos Aires Cape Town Chennai Dar es Salaam Delhi Hong Kong Istanbul Karachi Kolkata Kuala Lumpur Madrid Melbourne Mexico City Mumbai Nairobi São Paulo Shanghai Taipei Tokyo Toronto Copyright © 2003 Oxford University Press, Inc. Published by Oxford University Press, Inc. Page 1 of 2 PRINTED FROM OXFORD SCHOLARSHIP ONLINE (www.oxfordscholarship.com). (c) Copyright Oxford University Press, 2015. All Rights Reserved. Under the terms of the licence agreement, an individual user may print out a PDF of a single chapter of a monograph in OSO for personal use (for details see http://www.oxfordscholarship.com/page/privacy-policy). Subscriber: Appalachian State University; date: 27 July 2016 Title Pages 198 Madison Avenue, New York, New York 10016 www.oup.com Oxford is a registered trademark of Oxford University Press All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior permission of Oxford University Press. Library of Congress Cataloging-in-Publication Data Singer, Judith D. Applied longitudinal data analysis : modeling change and event occurrence/by Judith D. Singer and John B. Willett. p. cm. Includes bibliographical references and index. ISBN 0-19-515296-4 1. Longitudinal methods. 2. Social sciences— Research. I. Willett, John B. II. Title. H62 .S47755 2002 001.4’2—dc21 2002007055 987654321 Printed in the United States of America on acid-free paper Page 2 of 2 PRINTED FROM OXFORD SCHOLARSHIP ONLINE (www.oxfordscholarship.com). (c) Copyright Oxford University Press, 2015. All Rights Reserved. Under the terms of the licence agreement, an individual user may print out a PDF of a single chapter of a monograph in OSO for personal use (for details see http://www.oxfordscholarship.com/page/privacy-policy). Subscriber: Appalachian State University; date: 27 July 2016 (p.v) Preamble University Press Scholarship Online Oxford Scholarship Online Applied Longitudinal Data Analysis: Modeling Change and Event Occurrence Judith D. Singer and John B. Willett Print publication date: 2003 Print ISBN-13: 9780195152968 Published to Oxford Scholarship Online: September 2009 DOI: 10.1093/acprof:oso/9780195152968.001.0001 (p.v) Preamble Time, occasion, chance and change. To these all things are subject. —Percy Bysshe Shelley Questions about change and event occurrence lie at the heart of much empirical research. In some studies, we ask how people mature and develop; in others, we ask whether and when events occur. In their two-week study of the effects of cocaine exposure on neurodevelopment, Espy, Francis, and Riese (2000) gathered daily data from 40 premature infants: 20 had been exposed to cocaine, 20 had not. Not only did the cocaine-exposed infants have slower rates of growth, but the effect of exposure was greater the later the infant was delivered. In his 23-year study of the effects of wives’ employment on marital dissolution, South (2001) tracked 3523 couples to examine whether and, if so, when they divorced. Not only did the effect of wives’ employment become larger over time (the risk differential