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GB/T 18978.11-2023: Ergonomics of human-system interaction - Part 11: Usability: Definitions and concepts
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Ergonomics of human-system interaction - Part 11: Usability: Definitions and concepts
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GB/T 18978.11-2023
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| GB/T 18978.11-2004 | English | 959 |
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Ergonomic requirements for office work with visual display terminals (VDTs) -- Part 11: Guidance on usability
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Basic data | Standard ID | GB/T 18978.11-2023 (GB/T18978.11-2023) | | Description (Translated English) | Ergonomics of human-system interaction - Part 11: Usability: Definitions and concepts | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | A25 | | Classification of International Standard | 13.180 | | Word Count Estimation | 30,359 | | Date of Issue | 2023-09-07 | | Date of Implementation | 2023-09-07 | | Older Standard (superseded by this standard) | GB/T 18978.11-2004 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 18978.11-2023: Ergonomics of human-system interaction - Part 11: Usability: Definitions and concepts
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ICS 13.180
CCSA25
National Standards of People's Republic of China
Replace GB/T 18978.11-2004
Human-system interaction ergonomics
Part 11.Usability. Definitions and Concepts
(ISO 9241-11.2018,IDT)
Published on 2023-09-07
Implemented on 2023-09-07
State Administration for Market Regulation
Released by the National Standardization Administration Committee
Table of contents
Preface III
Introduction IV
1 Scope 1
2 Normative reference documents 1
3 Terms and Definitions 1
3.1 Availability1
3.2 Related concepts and disciplines 3
3.3 Other definitions 4
4 Fundamentals and Benefits of Usability4
5 Usability in context of use 5
5.1 Concept of availability5
5.2 Systems, products or services6
5.3 Usability evaluation in “specific” situations 6
6 Results of use 6
6.1 Usability results 6
6.2 Validity7
6.3 Efficiency7
6.4 Satisfaction8
6.5 Specific uses of the availability concept 9
6.6 Other results of use 9
7 Usage scenarios 10
7.1 Components of a usage context10
7.2 Users in usage context10
7.3 Goals in use context10
7.4 Tasks in the usage context 11
7.5 Resources 11
7.6 Environment 12
8 Application of usability concepts 12
8.1 Usability using various target objects12
8.2 User, task and environmental characteristics of usability13
8.3 Usability implementation in design and development 13
8.4 Usability applications in procurement 13
8.5 Usability applications in reviews or functional comparisons14
8.6 Usability applications in marketing research 14
Appendix A (informative) The relationship between usability and other concepts 15
A.1 Overview 15
A.2 Human-centered design15
A.3 Ergonomics/Human Factors 15
A.4 People-centered organization15
A.5 Social Responsibility16
A.6 Human-centered quality16
A.7 Relationship between availability and other qualities of systems, products and services17
Appendix B (Informative) Usability Measurement 19
B.1 Overview 19
B.2 Effectiveness, efficiency and satisfaction measurement19
B.3 Use of measurements 20
Reference 21
Foreword
This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents"
Drafting.
This document is Part 11 of GB/T 18978.GB/T 18978 has published the following parts.
---Ergonomic requirements for working with visual display terminals (VDTs) Part 1.Overview;
--- Ergonomic requirements for working with visual display terminals (VDTs) Part 2.Guidance on task requirements;
---Ergonomic requirements for working with visual display terminals (VDTs) Part 10.Dialogue principles;
---Ergonomic requirements for working with visual display terminals (VDTs) Part 12.Information presentation;
---Ergonomic requirements for working with visual display terminals (VDTs) Part 13.User Guide;
---Ergonomic requirements for working with visual display terminals (VDTs) Part 16.Direct operation dialogue;
---Human-System Interaction Ergonomics Part 11.Usability. Definitions and Concepts;
---Human-System Interaction Ergonomics Part 143.Forms;
---Human-System Interaction Ergonomics Part 151.Guidelines for Internet User Interfaces;
---Human-system interaction ergonomics Part 300.Overview of electronic visual display requirements;
---Human-system interaction ergonomics Part 304.User performance test methods for electronic visual displays;
---Human-system interaction ergonomics Part 307.Analysis and compliance test methods for electronic visual displays;
---Human-system interaction ergonomics Part 400.Principles and requirements for physical input devices.
This document replaces GB/T 18978.11-2004 "Ergonomic Requirements for Office Use of Visual Display Terminals (VDTs) - Part 11"
"Usability Guidelines", compared with GB/T 18978.11-2004, in addition to structural adjustments and editorial changes, the main technical changes are as follows.
a) The scope of application of "availability" is expanded to include systems and services, and other parts of the ISO 9241 series of standards (including
ISO 9241-210), ISO 26800 and ISO 20282 are consistent (see 3.1.1, 3.1 of the.2004 version);
b) considers broader goals, including results for individuals and results for the organization;
c) Changed the definition of “efficiency” (see 3.1.13, 3.3 of the.2004 version);
d) Changed the definition of "satisfaction" (see 3.1.14, 3.4 of the.2004 version).
This document is equivalent to ISO 9241-11.2018 "Ergonomics of Human-System Interaction Part 11.Usability. Definitions and Concepts".
Please note that some content in this document may be subject to patents. The publisher of this document assumes no responsibility for identifying patents.
This document is proposed and coordinated by the National Ergonomics Standardization Technical Committee (SAC/TC7).
This document was drafted by. China Institute of Standardization, Guangdong Midea Refrigeration Equipment Co., Ltd., Beijing University of Aeronautics and Astronautics, Dalian Maritime University
Science, Guxin (Fujian) Data Services Co., Ltd., Shanghai Aircraft Design and Research Institute, Zhengzhou University, Beijing Union University, Li Ning (China) Sports
Products Co., Ltd., Qingdao Haier Intelligent Technology R&D Co., Ltd., Midea Group Co., Ltd., Nanjing TICA Environmental Technology Co., Ltd., Shenzhen
Zhenjiang University of Technology, Capital University of Economics and Business, Winning Energy Efficiency Technology (Beijing) Co., Ltd., SDIC Winning Quality Infrastructure Research Institute Co., Ltd.
Division, Chongqing Midea Refrigeration Equipment Co., Ltd., and Winning Energy Efficiency Technology (Qingdao) Co., Ltd.
The main drafters of this document. Hu Huimin, Du Junmin, Ran Linghua, Zhang Xin, Liu Zhengjie, Zhao Chaoyi, Dong Dayong, Hao Na, Li Yinxia, Yang Aiping,
Liu Zhongqi, Yang Fan, Li Xin, Wang Guangjian, Wu Xiao, Chen Jian, Niu Wenlei, Luo Ling, Wang Rui, Wang Zhongting, Wu Haimei, Wang Junfeng, Wang Jie, Xu Fang, Zhang Zhe,
Yang Yahua, Yu Yajiao, Wei Bo, Huo Weiming, Rao Xiao, Yang Bing, Chen Jie, Xu Baodong, Yu Wenhua, Li Shaochun, Chen Xinchang, Chen Jianglan, Hao Anna.
The previous versions of this document and the documents it replaces are as follows.
---First published as GB/T 18978.11-2004 in.2004;
---This is the first revision.
Introduction
The GB/T 18978 ergonomics series of national standards corresponds to the ISO 9241 series of international standards. It was initially composed of 17 parts.
This series of standards provides ergonomic requirements for using visual display terminals for office work. During the review of international standards, the ISO 9241 series
Significant adjustments have been made to expand the scope and include other relevant standards, making it easier to use. The overall title of ISO 9241 is "People-System Interaction".
"Interoperability" reflects the changes after the adjustment. ISO 9241 remains consistent with the general title and scope of ISO /TC159/SC4.After the adjustment, more
The series of standards composed of some standards are numbered with "hundred", among which the 100 series is the software interface and the.200 series is the human-centered design.
Design, the 300 series involves visual displays, the 400 series involves physical input devices, etc. Other ISO 9241 series not included in the "Hundred" series
Standards still use the old numbering. For example, this document is equivalent to ISO 9241-11.2018, and the numbering still uses GB/T 18978.11.
Corresponding to the ISO 9241 series of standards, the GB/T 18978 "Hundred" series of standards is intended to be composed of the following series.
---100 series. software ergonomics. The aim is to identify processes and methods relevant to software ergonomics.
---200 Series. Human-centered design. The aim is to introduce human-centered design principles throughout the life cycle of interactive systems.
and provide requests and suggestions for activities.
---300 series. monitors and monitor-related hardware. The purpose is to provide methods for the ergonomic design and evaluation of visual displays.
laws, compliance measures and guidelines.
---400 series. physical input device. The purpose is to provide ergonomic design criteria, selection procedures, testing and
assessment method.
---500 series. work space. The purpose is to provide ergonomic principles and methods for the design of interactive system space environment.
---600 Series. Environmental Ergonomics. The purpose is to give environmental ergonomic requirements and the impact of the environment on people.
---700 series. control room. The purpose is to provide requirements, recommendations and guidance for the ergonomic design and evaluation of controlled indoor locations.
---900 Series. Tactile and tactile interaction. The purpose is to provide guidance for the design and evaluation of tactile and tactile ergonomic interactions.
The purpose of designing and evaluating the usability of systems, products and services is to ensure that users can use them effectively, efficiently and satisfactorily in specific use situations.
Goals. This document explains how to interpret usability from the perspective of user experience and user satisfaction, emphasizing that usability depends on the user
A specific use case for a system, product or service.
This document explains how to interpret the elements within the definition of usability. “the ability of a system, product or system to
The extent to which a service can be used by specific users to achieve specific goals effectively, efficiently and satisfactorily. "
Note 1.In this document, usability is related to the interaction results of systems, products or services. Although appropriate product attributes ensure that the product can be used in a specific use situation
is available in the product, but availability is not an attribute of the product as defined in this document.
Note 2.The category of usability is more comprehensive than what people usually understand as "ease of use" or "user-friendliness".
Availability is related to the following factors.
---In the period of regular and frequent use, users can achieve their goals effectively, efficiently and satisfactorily;
---In the learning stage, new users can start using a new system, product or service more effectively, efficiently and satisfactorily;
---In the non-frequent use stage, users can achieve their goals effectively, efficiently and satisfactorily every time they use the system again;
---Applicable to the widest range of user groups;
---Reduce the risk of incorrect use and corresponding adverse consequences;
---In the maintenance phase, users can complete maintenance effectively, efficiently and satisfactorily.
Usability needs to be considered when designing and evaluating the interactivity of a system, product, or service for the following purposes.
---Development;
---purchase;
---Review or compare;
---Marketing and market research.
Appendix A and Appendix B of this document explain the relationship between usability and other concepts or disciplines, such as usability and human-centered
The relationship between design, ergonomics, human factors, human-centered quality, user experience, and quality (generally used in systems and software engineering)
Tie. It also explains how to consider usability within different usage scenarios, and gives examples of application of usability methods.
Human-system interaction ergonomics
Part 11.Usability. Definitions and Concepts
1 Scope
This document proposes a framework for interpreting the concept of usability and its application to human-use interactive systems and other types of systems, including
including artificial environments), products (including industrial products and consumer products) and services (including technical services and personal services).
Note. In this document, "target object" refers to the system, product or service whose availability needs to be considered (see 8.1).
This document.
---Make it clear that usability is a result of use;
---Key terms and concepts are defined;
---Proposed the basic principles of usability;
---The application method of the usability concept is given.
This document does not prescribe specific processes or methods for considering usability during design development or evaluation.
The intended users of this document include.
---Professionals who study usability/ergonomics/human factors;
---Designers and developers of systems, products and services;
---Quality control personnel;
---Procurement personnel in the public sector and enterprises;
---Consumer organizations.
The most common applications of this document are design and evaluation.
2 Normative reference documents
This document has no normative references.
3 Terms and definitions
The following terms and definitions apply to this document.
The terminology databases used by IEC and ISO for standardization work can be accessed at.
3.1 Availability
3.1.1
usability
Taking effectiveness, efficiency and satisfaction as indicators, a certain system, product or service can be used to achieve specific goals in a specific use situation.
The extent of use by a specific user.
Note 1."Specific" users, goals and usage scenarios specifically refer to the combination of specific users, goals and usage scenarios that need to be considered for usability.
Note 2.The term "usability" is also used as a modifier for usability-related design knowledge, abilities, activities and design attributes, such as usability expertise, usability
Practitioners, usability engineering, usability methods, usability evaluation and usability heuristics.
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