ISO 29061-3:2017 PDF

Road vehicles — Methods and criteria for usability evaluation of child restraint systems and their interface with vehicle anchorage systems — Part 3: Installation of child restraint systems using vehicle seat belts

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Title (English):

ISO 29061-3:2017

Document status:: Withdrawn
Format:: Electronic (PDF)
Number of pages:: 19
Publication date:: December 1, 2017
Edition:: ISO IS 29061 edition 1 version 1
ICS:: 43.040.80

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Description (English):

ISO 29061-3:2017 specifies the criteria for judgement of usability of child restraint systems (CRS) when installing them with the vehicle seat belts. ISO 29061-3:2017 provides criteria for judgement of: - ease of availability of instructions; - clarity of instruction manual and labelling; and - ease of use of design related features of the CRS related to the installation in a vehicle. NOTE Booster system usability evaluation is covered by ISO 29061-5.

Technical details

Technical committee: ISO/TC 22/SC 36 - Safety and impact testing
SKU: ISO 29061-3:2017

Abstract

Overview

ISO 29061-3:2017 provides standardized methods and criteria for usability evaluation of child restraint systems (CRS) when installed using vehicle seat belts. Part 3 of the ISO 29061 series focuses specifically on the installation phase: availability and clarity of instructions and labelling, and the ease-of-use of design features that affect correct seat-belt installation. The protocol is intended to be objective, repeatable and useful for manufacturers, testers and consumer organisations.

Key topics and requirements

Scope: Criteria for judging usability of CRS installed with vehicle seat belts, covering instruction availability, manual/labelling clarity, and installation-related design features. (Booster systems are covered separately in ISO 29061-5.)
Usability definition: Uses ISO/ISO 9241-11 concept - effectiveness, efficiency and satisfaction in context of use, applied to CRS and vehicle interface.
Evaluation procedure:
- Two-stage assessment: (1) separate evaluation of the CRS and (2) usability assessment during installation in specified vehicle seating positions.
- Intended to be conducted by a small team (recommended two people), preferably unfamiliar with the CRS model to avoid bias.
- Typical evaluation time: about 45 minutes per CRS/vehicle configuration.
- Required materials: CRS manual (and video if applicable), vehicle owner’s manual, usability evaluation form (Excel provided), simple tools (e.g., screwdriver).
Scoring system:
- Per-item rating: Good / Average / Poor (3 / 1 / 0 points).
- Importance weighting: A / B / C (3 / 2 / 1 points).
- Item score = rating × importance; totals are expressed as a percentage of the maximum possible score for that product/condition.
Documentation and tools: Usability evaluation forms, informative annexes with scoring recommendations and example rating classes, and an editable spreadsheet version available from ISO.

Applications and users

ISO 29061-3 is practical for:

Overview

Key topics and requirements

Scope: Criteria for judging usability of CRS installed with vehicle seat belts, covering instruction availability, manual/labelling clarity, and installation-related design features. (Booster systems are covered separately in ISO 29061-5.)
Usability definition: Uses ISO/ISO 9241-11 concept - effectiveness, efficiency and satisfaction in context of use, applied to CRS and vehicle interface.
Evaluation procedure:
- Two-stage assessment: (1) separate evaluation of the CRS and (2) usability assessment during installation in specified vehicle seating positions.
- Intended to be conducted by a small team (recommended two people), preferably unfamiliar with the CRS model to avoid bias.
- Typical evaluation time: about 45 minutes per CRS/vehicle configuration.
- Required materials: CRS manual (and video if applicable), vehicle owner’s manual, usability evaluation form (Excel provided), simple tools (e.g., screwdriver).
Scoring system:
- Per-item rating: Good / Average / Poor (3 / 1 / 0 points).
- Importance weighting: A / B / C (3 / 2 / 1 points).
- Item score = rating × importance; totals are expressed as a percentage of the maximum possible score for that product/condition.
Documentation and tools: Usability evaluation forms, informative annexes with scoring recommendations and example rating classes, and an editable spreadsheet version available from ISO.

Applications and users

ISO 29061-3 is practical for:

ISO 29061-3:2017 PDF

Technical details

Abstract

Overview

Key topics and requirements

Applications and users

Abstract

Overview

Key topics and requirements

Applications and users

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