ANSI INCITS ISO IEC 25062-2006 Software engineering Software product Quality Requirements and Evaluation (SQuaRE) Common Industry Format (CIF) for usability test reports.pdf

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1、INCITS/ISO/IEC 25062-2006 (ISO/IEC 25062:2006, IDT) Software engineering Software product Quality Requirementsand Evaluation (SQuaRE) Common Industry Format (CIF) forusability test reports INCITS/ISO/IEC 25062-2006(ISO/IEC 25062:2006, IDT)INCITS/ISO/IEC 25062-2006 ii ITIC 2006 All rights reserved PD

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4、e to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. Adopted

5、by INCITS (InterNational Committee for Information Technology Standards) as an American National Standard. Date of ANSI Approval: 12/12/2006 Published by American National Standards Institute, 25 West 43rd Street, New York, New York 10036 Copyright 2006 by Information Technology Industry Council (IT

6、I). All rights reserved. These materials are subject to copyright claims of International Standardization Organization (ISO), International Electrotechnical Commission (IEC), American National Standards Institute (ANSI), and Information Technology Industry Council (ITI). Not for resale. No part of t

7、his publication may be reproduced in any form, including an electronic retrieval system, without the prior written permission of ITI. All requests pertaining to this standard should be submitted to ITI, 1250 Eye Street NW, Washington, DC 20005. Printed in the United States of America INCITS/ISO/IEC

8、25062-2006 ITIC 2006 All rights reserved iii Contents Page Foreword iv Introduction .v 1 Scope 1 2 Conformance 1 3 Normative references .2 4 Terms and definitions 2 5 Report Format.4 5.1 Title page 4 5.2 Executive summary 4 5.3 Introduction 5 5.4 Method 5 5.5 Results 11 5.6 Appendices . 14 Annex A (

9、informative) Checklist . 15 Annex B (informative) Glossary 19 Annex C (informative) Report Template . 23 Annex D (informative) Example 29 Bibliography 46 INCITS/ISO/IEC 25062-2006 iv ITIC 2006 All rights reserved Foreword ISO (the International Organization for Standardization) and IEC (the Internat

10、ional Electrotechnical Commission) form the specialized system for worldwide standardization. National bodies that are members of ISO or IEC participate in the development of International Standards through technical committees established by the respective organization to deal with particular field

11、s of technical activity. ISO and IEC technical committees collaborate in fields of mutual interest. Other international organizations, governmental and non-governmental, in liaison with ISO and IEC, also take part in the work. In the field of information technology, ISO and IEC have established a jo

12、int technical committee, ISO/IEC JTC 1. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of the joint technical committee is to prepare International Standards. Draft International Standards adopted by the joint technical committ

13、ee are circulated to national bodies for voting. Publication as an International Standard requires approval by at least 75 % of the national bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO and IEC shall

14、not be held responsible for identifying any or all such patent rights. ISO/IEC 25062 was prepared by Joint Technical Committee ISO/IEC JTC 1, Information technology, Subcommittee SC 7, Software and system engineering. This corrected version of ISO/IEC 25062 incorporates the following correction: Fig

15、ure 1, Appendix C, has been included on page 43. INCITS/ISO/IEC 25062-2006 ITIC 2006 All rights reserved v Introduction Usability of software is a key factor in predicting successful deployment of that software. Software manufacturers subject software to usability testing at various stages in a prod

16、ucts development; some companies that purchase software also test products for usability before making purchasing decisions. Testing often involves (1) subjects who are representative of the target population of users of the software, (2) representative tasks, and (3) measures of efficiency, effecti

17、veness and subjective satisfaction. When this type of experimental situation exists, the testing is termed summative, i.e., the results can be expressed as statistically meaningful measures of central tendency (e.g. mean or median) and variability (e.g. standard deviation). The Common Industry Forma

18、t (CIF) for Usability Test Reports is intended for use by usability professionals to report the results of summative usability testing. The CIF standardizes the types of information that are captured about testing with users. The level of detail allows the same or another organization to replicate t

19、he test procedure. The major variables are user demographics, task descriptions, context of the test, including the equipment used, the environment in which the test is conducted, and the protocol by which the subjects and the test administrator(s) interact, as well as the particular metrics chosen

20、to code the findings of the study. The CIF is intended to replace the proprietary formats employed by companies that perform usability testing, both vendors and purchasers of software. Until now there has been no standard format for reporting usability testing results. Advantages of using a standard

21、ized reporting format include (1) a reduction in training time for usability staff since an individual only needs to learn to use one form regardless of how many companies he works for and (2) enhanced potential for increased communication between vendors and purchasing organizations since readers o

22、f CIF-compliant reports will share a common language and expectations. The purpose of this International Standard is to facilitate incorporation of usability as part of the procurement decision-making process for interactive software products so that it is easier to judge whether a product meets usa

23、bility goals. Examples of decisions include purchasing, upgrading and automating. It provides a common format for human factors engineers and usability professionals in supplier companies to report the methods and results of usability tests to customer organizations. Audience The Common Industry For

24、mat (CIF) is meant to be used by usability professionals within supplier organizations to generate reports that can be used by customer organizations in the CIF report. The CIF is also meant to be used by customer organizations to verify that a particular report is CIF-compliant. The Usability Test

25、Report itself is intended for two types of readers: Usability professionals in customer organizations who are evaluating both the technical merit of usability tests and the usability of the products; and Other technical professionals and managers who are using the test results to make business decis

26、ions. The CIF may also be used within a single organization if a formal report of a summative usability test needs to be generated. In this case additional material such as a list of detailed findings may be included. The report is in two main sections, an Executive Summary and a main body. The main

27、 body contains the Methods and Results sections and is aimed at the first audience above. These sections (1) describe the test methodology and results in sufficient technical detail to allow replication by another organization if the test is repeated, and (2) support application of test data to ques

28、tions about the products expected costs and benefits. Understanding and interpreting these sections will require technical background in human factors or usability engineering for optimal use. The second audience is directed to the Introduction, which provides summary information for non-usability p

29、rofessionals and managers. The Introduction may also be of general interest to other computing professionals. Decision makers without usability engineering expertise may find the information in the main body to be useful but should rely on expert interpretation when necessary. Organization Clause 1

30、describes the scope of this specification and the conformance criteria. Clause 4 provides definitions INCITS/ISO/IEC 25062-2006 vi ITIC 2006 All rights reserved of the terms used throughout the document. Clause 5 is the main description of the specification. Additional Information Annex A provides a

31、 checklist that can be used to ensure inclusion of required and recommended information. A glossary is provided in Annex B to define terminology used in the report format description. A Word template for report production can be found at: http:/www.ncits.org/ref-docs/CIF/CIF_template.dot. A printed

32、version of the template can be found in Annex C. An example is provided in Annex D illustrating how the format is used followed by an informative bibliography. AMERICAN NATIONAL STANDARD INCITS/ISO/IEC 25062-2006 ITIC 2006 All rights reserved 1 Software engineering Software product Quality Requireme

33、nts and Evaluation (SQuaRE) Common Industry Format (CIF) for usability test reports 1 Scope This International Standard is intended to be used to report the measures obtained from a test of usability as defined in ISO 9241-11: effectiveness, efficiency and satisfaction in a specified context of use.

34、 NOTE Metrics for other more-detailed usability requirements can be found in ISO/IEC 9126 parts 2 and 3. This International Standard is intended to be used by: usability professionals within supplier organizations to generate reports that can be used by customer organizations; customer organizations

35、 to verify that a particular report conforms to this International Standard; human factors or other usability professionals in customer organizations who are evaluating both the technical merit of usability tests and the usability of the products; and other technical professionals and managers in th

36、e customer organization who are using the test results to make business decisions about product suitability and purchase. The Executive Summary and Introduction in 5.2 and 5.3 provide summary information for nonusability professionals and managers. Subclauses 5.4 and 5.5 describe the test methodolog

37、y and results in technical detail suitable for replication, and also support application of test data to questions about the products expected costs and benefits. Understanding and interpreting these sections will require technical background in human factors or usability engineering for optimal use

38、. The report format assumes sound practice 1, 2 has been followed in the design and execution of the test. Test procedures which produce measures that summarize usability should be used, i.e. the test is summative in nature. Some usability evaluation methods, such as formative tests, are intended to

39、 identify problems rather than produce measures; the format is not structured to support the results of such testing methods. 2 Conformance A usability test report conforms to this International Standard if it complies with all the requirements in this International Standard (stated as shall). The r

40、ecommendations (stated as should) should be implemented whenever appropriate. This International Standard specifies the minimum information that should be provided. Additional information may be included. For example, if an organization finds that an additional list of findings is useful, the list m

41、ay be included even though it is not specified as part of a conformant CIF report. INCITS/ISO/IEC 25062-2006 2 ITIC 2006 All rights reserved 3 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited

42、applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO/IEC 9126-1:2001, Software engineering Product quality Part 1: Quality model ISO/IEC 9126-2:2001, Software engineering Product quality Part 2: External metrics ISO/IEC 9126-3:2001, S

43、oftware engineering Product quality Part 3: Internal metrics ISO/IEC 9126-4:2001, Software engineering Product quality Part 4: Quality in use metrics ISO 9241-11:1998, Ergonomic requirements for office work with visual display terminals (VDTs) Part 11: Guidance on usability ISO 13407:1999, Human-cen

44、tred design processes for interactive systems Annex C ISO/IEC 14598-5:1998, Information technology Software product evaluation Part 5: Process for evaluators 4 Terms and definitions For the purposes of this document, the following definitions apply. The source for definitions 4.1 to 4.9 is ISO 9241-

45、11:1998. NOTE Efficiency, effectiveness, and satisfaction are defined in ISO/IEC 9126 in a similar way to the definitions in ISO/IEC 9241. However, in ISO/IEC 9126 they are defined in terms of the software product where as in ISO/IEC 9241 they are defined in terms of the users view. The term efficie

46、ncy in this International Standard is equivalent to the term productivity in ISO 9126, as the term efficiency has been defined with a different meaning in ISO 9126. 4.1 usability the extent to which a product can be used by specified users to achieve specified goals with effectiveness, efficiency an

47、d satisfaction in a specified context of use NOTE Quality in use is defined in ISO/IEC 9126 in a similar way to the definition of usability in ISO/IEC 9241. Quality in use may be influenced by any of the quality characteristics, and is thus broader than the definition of usability in ISO/IEC 9126 th

48、at is in terms of understandability, learnability, operability, attractiveness and compliance. 4.2 effectiveness the accuracy and completeness with which users achieve specified goals 4.3 efficiency resources expended in relation to the accuracy and completeness with which users achieve goals NOTE E

49、fficiency in the context of usability is related to productivity rather than to its meaning in the context of software efficiency. 4.4 satisfaction freedom from discomfort, and positive attitudes towards the use of the product INCITS/ISO/IEC 25062-2006 ITIC 2006 All rights reserved 3 4.5 context of use users, tasks, equipment (hardware, software and materials), and the physical and social environments in which a product is used 4.6 user person who interacts with the product 4.7 user grou