ISO 9241-12 PDF

Scope This part of ISO provides recommendations for systems that use form filling interfaces now commonly seen on the web. The standard begins by describing the appropriate application areas for these interfaces for example, when users have experience with paper forms but limited experience with computers. The recommendations cover form filling structure, input considerations, feedback and navigation. Form filling structure covers: general; layout; and fields and labels. Input considerations covers: general; alphanumeric text entry; choice entries; control; and field validation. Feedback covers: echoing; cursor and pointer position; field errors; transmission acknowledgement; and database changes.

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Part Direct manipulation dialogues Part Form filling dialogues Part Accessibility guidelines for ICT equipment and services ISO [ edit ] Part 1: Ergonomic requirements for office work with visual display terminals VDTs - General Introduction This part introduces the multi-part standard ISO 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 should be reported. ISO [ edit ] Part 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.

ISO [ edit ] Part 3: , deprecated 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.

ISO [ edit ] Part 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. ISO [ edit ] Part 6: Environmental requirements 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. ISO [ edit ] Part 7: , deprecated 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.

ISO [ edit ] Part 8: , deprecated Requirements for displayed colors This part specifies the requirements for multicolour displays which are largely in addition to the monochrome requirements in Part 3. ISO [ edit ] Part 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.

ISO [ edit ] Part 10 , withdrawn "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.

Task completion is considered successful when the user completed the task without producing an error or asking for assistance. System Efficiency: For evaluating system efficiency, the researcher records the time in seconds that participants took to complete each task. Upon completing each task, the user is asked to fill out the Single Ease Questionnaire SEQ to examine the level of task difficulty.

The score range is from 0 to and scores higher than 80 are considered high usability while those below 70 are considered low usability.

ISO [ edit ] Part 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. ISO [ edit ] Part 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.

ISO [ edit ] Part Command language 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. ISO [ edit ] Part 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 ISO [ edit ] Part 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.

BEDINI SG INTERMEDIATE PDF

ISO 9241-12:1998

It provides recommendations for the design and evaluation of visual presentation of information including coding techniques. These recommendations can be utilized throughout the design process for example as guidance for designers during design, as a basis for heuristic evaluation, as guidance for usability testing. The coverage of colour is limited to ergonomic recommendations for the use of colour for highlighting and categorizing information see ISO for additional recommendations for the use of colour. This part of ISO does not address auditory presentation of information. Interface design depends upon the task, the user, the environment and the available technology.

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BS EN ISO 9241-12:1999

Part Direct manipulation dialogues Part Form filling dialogues Part Accessibility guidelines for ICT equipment and services ISO [ edit ] Part 1: Ergonomic requirements for office work with visual display terminals VDTs - General Introduction This part introduces the multi-part standard ISO 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 should be reported. ISO [ edit ] Part 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. ISO [ edit ] Part 3: , deprecated 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.

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