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Reliability of work-related assessments
1School of Occupation and Leisure Sciences, Faculty of Health Sciences, University of Sydney. P.O. Box 170, Lidcombe, NSW 1825, Australia.
Work (Reading, Mass.)
|November 21, 2002
Summary
Many work-related assessments lack sufficient reliability evidence. While some show moderate to good reliability, few meet clinical or legal standards, impacting assessment choices.
Area of Science:
- Occupational Health
- Psychometrics
- Rehabilitation Science
Background:
- Reliability of work-related assessments is a significant concern in practice.
- Despite concerns, new assessments are developed, and existing ones are revised, while others become unavailable.
Purpose of the Study:
- To evaluate the extent and quality of evidence for the reliability of work-related assessments.
- To inform clinicians about the reliability of available assessment tools.
Main Methods:
- Systematic review of available literature and sources.
- Examination of reliability evidence for 28 distinct work-related assessments.
Main Results:
- Evidence levels and reliability data presented for each of the 28 assessments.
- Many commercially available assessments demonstrate insufficient reliability evidence.
- Most assessments with adequate evidence show moderate to good reliability, but few are sufficient for clinical or legal use.
Conclusions:
- Clinicians can use this study to assess the reliability of chosen work-related assessments.
- Interpretation of changes in test results should consider the instrument's documented reliability.