Abstract
Observers were required to detect double jumps of a diffuse light spot jumping in a circular pattern and more intense noise pulses in a pulse train. Seven groups performed at different combinations of stimulus and signal frequencies, higher signal frequency/stimulus frequency ratios, and lower stimulus frequencies. Stimulus frequency was a more potent determiner of performance than signal frequency, and performance was not invariant within a given signal frequency/stimulus frequency ratio. Correlations of dependent measures were also examined.-Results are discussed with reference to various theories of vigilance behavior.
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This research was facilitated by contract between the Office of The Surgeon General, U. S. Army, and the University of Louisville. We are indebted to Dr. Charles F. Gettys, Mr. Ernest M. Weiler, and Miss Lois A. Hohmann for technical assistance and to Dr. John B. Thurmond for help in data analysis. The experiment was performed while the first author was at the U. S. Army Medical Research Laboratory.
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Loeb, M., Binford, J.R. Variation in performance on auditory and visual monitoring tasks as a function of signal and stimulus frequencies. Perception & Psychophysics 4, 361–367 (1968). https://doi.org/10.3758/BF03209535
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DOI: https://doi.org/10.3758/BF03209535