INTERNATIONAL ISO/IEC STANDARD 25022 Firstedition 2016-06-15 Systems and software engineering Systems and software quality requirements and evaluation (SQuaRE) - Measurement of quality in use Ingénierie des systemes et du logiciel Exigences de qualite et évaluation des systemes et du logiciel (SQuaRE) - Mesurage de la qualité lors de I'utilisation Reference number ISO/IEC 25022:2016(E) IEC International Organization for Standardization G INST OF STANDARDIZATION C1 5956617 @IS0/IEC 2016 ed without license from IHS IS0/IEC 25022:2016(E) COPYRIGHT PROTECTEDDOCUMENT IS0/IEC 2016, Published in Switzerland 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 Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 copyright@iso.org www.iso.org Licensee-ZHEJIANG INST OF STANDRJSA/IEC O6 - All rights reserved Not for Resale, 2016/8/16 08:43:12 networking permited without license from IHS IS0/IEC 25022:2016(E) Contents Page Foreword ..iv Introduction. .. 1 Scope. ..1 2 Conformance .... 3 Normative references 4 Terms and definitions ..2 5 Abbreviated terms .6 6 Use of quality in use measures 6.1 Applications of quality in use ..6 6.2 Measurement of quality in use .7 6.3 Interpretation of quality in use measures .8 6.4 Selecting appropriate quality in use measures. ..9 6.5 Aspects of quality in use described in other International Standards .9 7 Format used for documenting the quality measures .9 8 Quality in use measures. .10 8.1 General 10 8.2 Effectiveness measures .10 8.3 Efficiency measures. ..12 8.4 Satisfaction measures .13 8.4.1 General .13 8.4.2 Usefulness measures 14 8.4.3 Trust measures .15 8.4.4 (User experience) pleasure measures .15 8.4.5 (Ergonomic) comfort measures. .16 8.5 Freedom from risk measures.. .16 8.5.1 General .16 8.5.2 Economic risk mitigation measures .18 8.5.3 Health and safety risk mitigation measures. 19 8.5.4 Environmental risk mitigation measures. 20 8.6 Context coverage measures 21 8.6.1 General 21 8.6.2 Context completeness measures .21 8.6.3 Flexibility measures.. .21 Annex A (informative) Examples of how to measure context coverage ..23 Annex B (informative) Normalization of quality in use measures ..25 Annex C (informative) Use of IS0/IEC 25022 for measuring usability in IS0 9241-11 ..30 Annex D (informative) Quality in use evaluation process ...31. Annex E (informative) Relationship between different quality models ...37 Annex F (informative) Quality measurement concepts ..38 Annex G (informative) QMEs used to define quality measures ..39 Bibliography ..40 ii icensee=ZHEJIANG INST OF STANDARDIZATION C1 5956617 ted withoutlicense from IHS