Vigilance and task load: in search of the inverted U.

@article{Wiener1984VigilanceAT,
  title={Vigilance and task load: in search of the inverted U.},
  author={Earl L. Wiener and Renwick E. Curry and M L Faustina},
  journal={Human factors},
  year={1984},
  volume={26 2},
  pages={
          215-22
        }
}
The "Inverted-U Hypothesis" states that for a given task, there is an optimal level of workload or demand that yields the highest level of performance. A departure in either direction will result in a monotonically lower performance level, hence an inverted-U-shaped relationship between task demand and quality of performance. Most studies to date have failed to demonstrate the left-hand branch of the curve, that is, the regime in which performance presumably rises as load increases. The purpose… CONTINUE READING
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