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Intermediary objects system: Strategies for structuring an ergonomic design approach.

João Marcos Bittencourt1, Barbara de Macedo Passos Oggioni1, Camila Pinheiro Marins2

  • 1Design and Technology Department, Federal Fluminense University, Niterói RJ, Brazil.

Work (Reading, Mass.)
|June 25, 2026
PubMed
Summary
This summary is machine-generated.

Ergonomists can enhance participatory design by using interconnected Intermediary Objects Systems (IOS). These systems of representations reinforce each other, improving knowledge construction and design decisions related to work activity.

Keywords:
Intermediary objectsco-designergonomicshuman engineeringparticipatory designparticipatory ergonomicsworkplace

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Area of Science:

  • Ergonomics
  • Human-Computer Interaction
  • Participatory Design

Background:

  • Intermediary objects are crucial in ergonomics for supporting participatory design.
  • The combined use of intermediary objects as interconnected systems is underexplored.
  • Understanding object synergy can improve ergonomic interventions in design processes.

Purpose of the Study:

  • Introduce the concept of Intermediary Objects System (IOS).
  • Define IOS as sets of representations used across design stages.
  • Explore how IOS aids in participatory design dynamics.

Main Methods:

  • Analysis of two case studies: biotechnology laboratories and an onshore collaborative center.
  • Ergonomists utilized diverse intermediary objects (e.g., blueprints, scale models).
  • Objects were employed to stimulate discussion, engage users, and maintain project memory.

Main Results:

  • Intermediary objects facilitated debates on work and collaborative problem-solving.
  • Objects reinforced each other, creating cumulative knowledge construction.
  • Synergy enabled direct connection between design decisions and work activity.

Conclusions:

  • The Intermediary Objects System (IOS) concept expands understanding of intermediary objects in ergonomics.
  • IOS highlights the value of multiple, interconnected intermediary objects in participatory design.
  • Using IOS facilitates richer project discussions and knowledge accumulation for all stakeholders.