Abstract
Color discrimination ability was measured at four spectral regions usually named blue, green, yellow, and red. Two methods, temporal forced-choice and phenomenal report, were compared. Data suggest that for color discrimination, phenomenal report is a preferable technique.
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BLACKWELL, H. R. Studies of psychophysical methods for measuring visual thresholds. Journal of the Optical Society of America, 1952, 42, 606–616.
SIEGEL, M. H. Discrimination of color. I. Comparison of three psychophysical methods. Journal of the Optical Society of America, 1962, 52, 1067–1070.
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Results of part of this experiment were reported at the 1968 meeting of the Eastern Psychological Association. The research was supported in part by Public Health Service Grant MH-14281.
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Siegel, M.H. The effect of forced choice on color discrimination. Behav. Res. Meth. & Instru. 1, 303–304 (1969). https://doi.org/10.3758/BF03209923
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DOI: https://doi.org/10.3758/BF03209923