Usability of system and software——Part 1: Indicator system
1 Scope
This part of GB/T 29836 gives the indicator system framework for usability of system and software and the definition of related indicators, stipulates the quality characteristic for the usability of the system and software and provides the supplier, acquirer and third-party evaluation and test organization with a unified indicator system for the usability.
This part is applicable to all kinds of systems and software with human-computer interaction, and users can choose appropriate usability indicators according to specific products. This part is not applicable to the systems and software without human-computer interaction function or usability needs during use.
Note: The systems referred to in this part are mainly software systems.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 11457 Information technology—Software engineering terminology
GB/T 16260.1-2006 Software engineering—Product quality—Part 1: Quality model (ISO/IEC 9126-1:2001, IDT)
GB/T 16260.2-2006 Software engineering—Product quality—Part 2: External metrics (ISO/IEC TR 9126-2: 2003, IDT)
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 11457 and GB/T 16260.1-2006 and the following apply.
3.1
usability
degree to which a product can be used by a specific user for a specific purpose under a specific use environment
3.2
indicator
measurable attributes of entities
3.3
indicator system
system composed of indicators defined by several main features, reflecting the essence of this phenomenon
Note: Indicator system is a systematic and closely related group of indicators reflecting the whole evaluation object, or a collection of specific indicators.
4 General
4.1 Factors affecting usability of system and software
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 General
4.1 Factors affecting usability of system and software
4.2 Indicator system model
5 Understandability
6 Learnability
7 Operability
8 Attractiveness
Annex A (Informative) Comparison between this part and GB/T 16260.2-2006
Annex B (Informative) Example of evaluation indicator system for usability of online scoring system
Bibliography