Test-retest repeatability of the Strain Index.

@article{Stephens2006TestretestRO,
  title={Test-retest repeatability of the Strain Index.},
  author={Jaimie Stephens and Gordon Alexander Vos and Edward Martin Stevens and J. Steven Moore},
  journal={Applied ergonomics},
  year={2006},
  volume={37 3},
  pages={
          275-81
        }
}
Fifteen raters individually, and in five teams of three, evaluated the test-retest repeatability of published data collection and rating methods of the Strain Index by analyzing 61 job video files twice over a 5-month period. Raters estimated average and peak hand forces, measured Duration of Exertion, cycle time, and exertions per job cycle, calculated percent Duration of Exertion and Efforts per Minute, and assigned ratings for five of the six Strain Index task variables. Twelve additional… CONTINUE READING
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