Observing Behavior in a Vigilance Task

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Science  09 Sep 1960:
Vol. 132, Issue 3428, pp. 674-675
DOI: 10.1126/science.132.3428.674


it has been suggested that level of performance in a vigilance task is accurately reflected by frequency of observing responses. By means of photography it has been demonstrated that under conditions where a decrement in vigilance performance does not occur, the frequency of nonobserving behaviorand general activity increases in time.