文档介绍：item response theory
SERIES IN UNDERSTANDING STATISTICS
natasha beretvas Series Editor-in-Chief
patricia leavy Qualitative Editor
Quantitative Statistics Measurement
Confirmatory Factor Analysis Item Response Theory
Timothy J. Brown Christine DeMars
Effect Sizes Reliability
Steve Olejnik Patrick Meyer
Exploratory Factor Analysis Validity
Leandre Fabrigar and Catherine Taylor
Duane Wegener
Multilevel Modeling
Joop Hox Qualitative
Structural Equation Modeling Oral History
Marilyn Thompson Patricia Leavy
Tests of Mediation The Fundamentals
Keenan Pituch Johnny Saldaña
1
Oxford University Press, Inc., publishes works that further Oxford University’s
objective of excellence in research, scholarship, and education.
Oxford New York
Auckland Cape Town Dar es Salaam Hong Kong Karachi
Kuala Lumpur Madrid Melbourne Mexico City Nairobi
New Delhi Shanghai Taipei Toronto
With offices in
Argentina Austria Brazil Chile Czech Republic France Greece
Guatemala Hungary Italy Japan Poland Portugal Singapore
South Korea Switzerland Thailand Turkey Ukraine Vietnam
Copyright Ó 2010 by Oxford University Press, Inc.
Published by Oxford University Press, Inc.
198 Madison Avenue, New York, New York 10016
Oxford is a registered trademark of Oxford University Press, Inc.
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
DeMars, Christine.
Item response theory / Christine DeMars.
p. cm. —(Series in understanding statistics)
Includes bibliographical references.
ISBN 978-0-19-537703-3 (alk. paper)
1. Item response theory. 2. Psychometrics. I. Title.
2010
—dc22
2009030941
987654321
Printed in the United States of America
on acid-free paper
table of contents
CHAPTER 1