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Developing a Rail Ergonomics Questionnaire (REQUEST).

Brendan Ryan1, John R Wilson, Sarah Sharples

  • 1Institute for Occupational Ergonomics, University of Nottingham, University Park, Nottingham NG72RD, UK. brendan.ryan@nottingham.ac.uk

Applied Ergonomics
|June 17, 2008
PubMed
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A shortened Rail Ergonomics Questionnaire (REQUEST) was developed for large-scale surveys of railway worker attitudes on human factors. This validated tool achieved a high response rate, enabling robust data collection for safety improvements.

Area of Science:

  • Occupational Health and Safety
  • Ergonomics
  • Psychometrics

Background:

  • The longer Rail Ergonomics Questionnaire (REQUEST) was previously used for smaller samples of railway workers.
  • Existing scales were adapted, and new ones developed based on rail worker studies.
  • Understanding railway worker attitudes on human factors is crucial for safety and operational efficiency.

Purpose of the Study:

  • To develop and validate a shortened version of the Rail Ergonomics Questionnaire (REQUEST) for large-scale surveys.
  • To refine questionnaire design and layout based on expert review and previous data analysis.
  • To facilitate efficient data collection on human factors issues within the railway industry.

Main Methods:

  • Expert group review of question wording and previous data analyses (principal components analysis).

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  • Iterative improvements to questionnaire design and layout.
  • Large-scale administration during company safety briefings, achieving a sample of nearly 4000 respondents.

    • Main Results:

    • A shortened, effective version of the Rail Ergonomics Questionnaire (REQUEST) was successfully developed.
    • The survey achieved a high response rate of 83% from the target population.
    • The methodology allowed for the collection of extensive data on railway worker attitudes.

    Conclusions:

    • The shortened REQUEST is a validated instrument suitable for large-scale surveys of railway worker attitudes.
    • The development process, including expert review, enhanced the questionnaire's effectiveness.
    • The findings from this large national survey provide valuable insights for improving railway safety and ergonomics.