Copyright © 1997 by Psychology Press Ltd

a member of the Taylor & Francis group

All rights reserved. No part of this book may be reproduced in any form, by photostat, microform, retrieval system, or any other means without the prior written permission of the publisher.

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British Library Cataloguing in Publication Data

A catalogue record for this book is available from the British Library

ISBN 0-86377-482-2

ISSN 0076-5465

Printed and bound in the UK by TJ Press (Padstow) Ltd.