ISO INTERNATIONAL STANDARD 16439 First edition 2014-04-15 Information and documentation Methods and procedures for assessing the impact of libraries Information et documentation -Méthodes et procedures pour évaluer I'impact des bibliotheques Reference number IS0 16439:2014(E) LSO @ IS0 2014 HS under ted without license from IHS Not for Resale IS0 16439:2014(E) COPYRIGHTPROTECTEDDOCUMENT ISO2014 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Case postale 56:CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyright@iso.org Web www.iso.org Published in Switzerland @ IS0 2014 - All rights reserved No reproductic networking permitted without license from IHS Not for Resale IS0 16439:2014(E) Contents Page Foreword ..V Introduction. ...vi 1 Scope. 2 Normative references 3 Terms and definitions 4 Definition and description of library impact .13 4.1 General .13 4.2 Definition of library impact. .13 4.3 Aspects of library impact. ..13 4.4 Effects of library impact .14 4.5 Impact planning .17 4.6 Challenges in assessing impact. .18 4.7 Implementation of impact assessment projects ..19 4.8 Use of impact assessment results 20 5 Methods for assessing library impact .21 5.1 General. .21 5.2 Inferred evidence. 21 5.3 Solicitedevidence 21 5.4 Observed evidence. 22 5.5 Combined methods 22 5.6 Quantitative and qualitative data 23 6 Inferred evidence. .24 6.1 General 24 6.2 Statistics. .24 6.3 Library performance indicators. 25 6.4 Data from user satisfaction surveys .27 7 Solicited evidence 28 7.1 General. 28 7.2 Impact surveys .28 7.3 Interviews and focus groups. .37 7.4 Self-assessment of users. .42 7.5 Collecting anecdotal evidence .44 8 Observed evidence .46 8.1 General 46 8.2 Observation. .47 8.3 Loganalysis. ..48 8.4 Self-recording. ..48 8.5 Citation analysis ..49 8.6 Testing the impact on knowledge and skills .49 6 Combining methods for assessing library impact .53 9.1 Combining qualitative and quantitative data 53 9.2 Examples of combining methods to show library impact .54 9.3 Advantages and disadvantages of combining methods for impact assessment. .57 10 Assessing the economic value of libraries .57 10.1 General. 57 10.2 Calculating the value of library benefits to users. .58 10.3 Cost-benefit analysis. .62 10.4 Economic impact analysis 63 Annex A (informative) Examples of impact surveys. .65 iii Not for Resale