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A User-centered Decision-aiding Process for Selecting Power Analysis Tools.

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Researchers can now find user-centered tools for a priori power analyses. This guide helps Human Factors and Ergology (HFE) researchers select appropriate software for their needs.

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Area of Science:

  • Human Factors and Ergology (HFE)
  • Scientific Research Methodology

Background:

  • A priori power analyses are increasingly used in science but lack discussion within HFE.
  • Complexity of power analyses necessitates effective software tools for researchers.
  • Existing power analysis software may not align with specific researcher needs.

Purpose of the Study:

  • To review current power analysis software tools for HFE researchers.
  • To propose a user-centered design framework for selecting power analysis software.
  • To aid researchers in identifying appropriate tools based on their needs and tool characteristics.

Main Methods:

  • Literature review of power analysis software.
  • Application of User-Centered Design principles.
  • Development of a decision-aiding process with functional criteria and usability heuristics.

Main Results:

  • Identified key functional criteria (input/output) and usability heuristics (learnability, ease of use, accessibility).
  • Proposed a structured workflow for researchers to evaluate power analysis tools.
  • Illustrated the decision process with practical research scenarios.

Conclusions:

  • A user-centered approach is crucial for matching HFE researchers with suitable power analysis software.
  • The proposed decision-aiding process enhances tool selection efficiency and effectiveness.
  • Facilitates better integration of rigorous statistical practices in HFE research.