Except for the quotation of short passages for the purpose of criticism and review, 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 written permission of the publisher or a licence from the Copyright Licensing Agency Limited. 1 QUANTITATIVE DATA ANALYSIS USING SPSS AN INTRODUCTION FOR HEALTH AND SOCIAL SCIENCE Pete GreasleyĤ Quantitative Data Analysis Using SPSS An Introduction for Health & Social Science Pete Greasleyĥ Open University Press McGraw-Hill Education McGraw-Hill House Shoppenhangers Road Maidenhead Berkshire England SL6 2QL world wide web: and Two Penn Plaza, New York, NY, USA First published 2008 Copyright Pete Greasley 2008 All rights reserved.