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From needs to requirements for computer systems: the added value of ergonomics in needs analysis
Stanislas Couix1, Françoise Darses, Cecilia De-La-Garza
1Centre de Recherche sur le Travail et le Développement, Conservatoire National des Arts et Métiers, 41 rue Gay Lussac, Paris, France. stanislas.couix@cnam.fr.
Work (Reading, Mass.)
|February 10, 2012
Summary
Ergonomists
Area of Science:
- Human Factors and Ergonomics
- Product Design and Development
- Systems Engineering
Background:
- Ergonomists are recognized as essential contributors during the needs analysis phase of system design.
- However, the specific roles and contributions of ergonomists at this critical stage remain under-investigated.
- Understanding these contributions is vital for optimizing the integration of human factors into early design processes.
Purpose of the Study:
- To investigate and characterize the specific contributions of ergonomists during the needs analysis stage.
- To analyze the nature and origin of requirements formulated by ergonomists within a design team context.
- To identify the key factors enabling effective ergonomic input into system design.
Main Methods:
- Analysis of requirement documents generated by a multidisciplinary design team.
- Categorization of each requirement by source, justification, type (functional, interaction, operational, physical, organizational), and scope.
- Comparative analysis of ergonomic contributions versus those of other team members (e.g., engineers, end-users).
Main Results:
- Ergonomists collaborate with end-users on global system aspects including function, conditions of use, and organizational dimensions.
- Ergonomists independently define the overall system interaction requirements.
- Ergonomists collaborate with engineers on derived functions, focusing on purpose and organizational aspects, while engineers focus on technical implementation.
Conclusions:
- Effective ergonomic input requires both specialized ergonomics knowledge and comprehensive work analysis.
- The complementary contributions of various actors, including ergonomists, engineers, and end-users, are crucial for defining system requirements.
- A holistic approach integrating ergonomic expertise throughout the needs analysis is essential for successful system design.
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