The Workload Curve: Subjective Mental Workload

@article{Estes2015TheWC,
  title={The Workload Curve: Subjective Mental Workload},
  author={Steven Estes},
  journal={Human factors},
  year={2015},
  volume={57 7},
  pages={1174-87}
}
OBJECTIVE In this paper I begin looking for evidence of a subjective workload curve. BACKGROUND Results from subjective mental workload assessments are often interpreted linearly. However, I hypothesized that ratings of subjective mental workload increase nonlinearly with unitary increases in working memory load. METHOD Two studies were conducted. In the first, the participant provided ratings of the mental difficulty of a series of digit span recall tasks. In the second study, participants… CONTINUE READING
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