ISO Standard 9241

30/4/2014 ISO Standard 9241

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ISO Standard 9241

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by Hassan Aftab, Working at Pucit Sports Society [official] on Jan 08, 2014

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This slide contains information about ISO 9241 standard. This standard is designed for HCI ergonomics. It is

multi part standard, each part is discussed briefly in this slide.

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ISO Standard 9241Presentation Transcript

1. HCI- ISO STANDARD 9241 By: HASSAN AFTAB

2. ISO Standard 9241 ISO 9241 is a multi-part standard covering ergonomics of human-computer

interaction. 9241 is concerned with usability as a broad quality objective: the ability to use a product for

its intended purpose. This Standard can be used to support the following activities: specification of

overall quality and usability requirements and evaluation against these requirements incorporation of

usability into a quality system

3. Parts of 9241 ISO 9241 was originally titled Ergonomic requirements for office work with visual

display terminals (VDTs) and consisted of the following parts: Part 1: General introduction

Part 2: Guidance on task requirements Part 3: Visual display requirements Part 4: Keyboard requirements

Part 5: Workstation layout and postural requirements Part 6: Guidance on the work environment Part 7:

Display requirements with reflections Part 8: Requirements for displayed colors

4. Continued Part 9: Requirements for non-keyboard input devices Part 10: Dialogue

principles Part 11: Guidance on usability Part 12: Presentation of information Part 13: User guidance Part

14: Menu dialogues Part 15: Command dialogues Part 16: Direct manipulation dialogues Part 17: Form

filling dialogues

5. ISO 9241-1: General introduction This part introduces the multi-part standard ISO 9241 for the

ergonomic requirements for the use of visual display terminals for office tasks and explains some of the

basic underlying principles. It provides some guidance on how to use the standard and describes how

conformance to parts of ISO 9241 should be reported.

6. ISO 9241-2: Guidance on task requirements This part deals with the design of tasks and jobs

involving work with visual display terminals. It provides guidance on how task requirements may be

identified and specified within individual organisations and how task requirements can be incorporated

into the system design and implementation process.

7. ISO 9241-3: Visual Display Requirements This part specifies the ergonomics requirements for display

screens which ensure that they can be read comfortably, safely and efficiently to perform office tasks.

Although it deals specifically with displays used in offices, it is appropriate to specify it for most

applications that require general purpose displays to be used in an office-like environment.

8. ISO 9241-4: Keyboard Requirements This part specifies the ergonomics design characteristics of an

alphanumeric keyboard which may be used comfortably, safely and efficiently to perform office tasks.

9. ISO 9241-5: Workstation layout and postural requirements This part specifies the ergonomics

requirements for a Visual Display Terminal workplace which will allow the user to adopt a comfortable

and efficient posture.

10. ISO 9241-6: Guidance on the Work Environment This part specifies the ergonomics requirements

for the Visual Display Terminal working environment which will provide the user with comfortable, safe

and productive working conditions.

11. ISO 9241-7: Display Requirements With Reflections This part specifies methods of measurement of

glare and reflections from the surface of display screens, including those with surface treatments.

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12. ISO 9241-8: Requirements For Displayed Colors This part specifies the requirements for

multicolour displays which are largely in addition to the monochrome requirements in Part 3.

13. ISO 9241-9: Requirements for Non-Keyboard Input Devices This part specifies the ergonomics

requirements for non-keyboard input devices which may be used in conjunction with a visual display

terminal. It also includes a suggestion for a user-based performance test as an alternative way of showing

conformance. The standard covers such devices as the mouse, trackball and other pointing devices, but

it does not address voice input.

14. ISO 9241-10: Dialogue Principles Gives ergonomic principles formulated in general terms; they are

presented without reference to situations of use, application, environment or technology. These principles

are intended to be used in specifications, design and evaluation of dialogues for office work with visual

display terminals (VDTs)

15. ISO 9241-11: Guidance on Usability This part deals with the extent to which a product is usable

Usability The extent to which a product can be used by specified users to achieve specified goals with

effectiveness, efficiency and satisfaction in a specified context of use ISO 9241-11 explains how

usability can be specified and evaluated in terms of user performance and satisfaction. Effectiveness :

The accuracy and completeness with which users achieve specified goals. Efficiency : The resources

expended in relation to the accuracy and completeness with which users achieve goals. Satisfaction : The

comfort and acceptability of use

16. ISO 9241-12: Presentation of Information This part contains specific recommendations for

presenting and representing information on visual displays. It includes guidance on ways of representing

complex information using alphanumeric and graphical/symbolic codes, screen layout, and design as well

as the use of windows.

17. ISO 9241-13: User Guidance This part provides recommendations for the design and evaluation of

user guidance attributes of software user interfaces including Prompts, Feedback, Status, On-line Help

and Error Management.

18. ISO 9241-14: Menu Dialogues This part provides recommendations for the ergonomic design of

menus used in user-computer dialogues. The recommendations cover menu structure, navigation, option

selection and execution, and menu presentation (by various techniques including windowing, panels,

buttons, fields, etc.).

19. ISO 9241-15: Command Dialogues This part provides recommendations for the ergonomic design

of command languages used in user-computer dialogues. The recommendations cover command

language structure and syntax, command representations, input and output considerations, and feedback

and help.

20. ISO 9241-16: Direct Manipulation Dialogues This part provides recommendations for the ergonomic

design of direct manipulation dialogues, and includes the manipulation of objects, and the design of

metaphors, objects and attributes. It covers those aspects of Graphical User Interfaces that are directly

manipulated, and not covered by other parts of ISO 9241.

21. ISO 9241-17: Form Filling Dialogues This part provides recommendations for the ergonomic design

of form filling dialogues. The recommendations cover form structure and output considerations, input

considerations, and form navigation.

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