Abstract

An experimental investigation of the effect of varying bandwidth on color discrimination was undertaken. No evidence was found for any differences in sensitivity to color differences among the 5-, 10-, 20-, and 80-mμ bandwidths studied. It was concluded that for psychological research in vision less emphasis be placed on monochromatic radiation of the stimulus and more on obtaining greater luminance levels.

© 1963 Optical Society of America

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References

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  1. D. B. Judd, Handbook of Experimental Psychology, edited by S. S. Stevens (John Wiley & Sons, Inc., New York1951), p. 821; and F. L. Dimmick, in Foundations of Psychology, edited by E. G. Boring, H. S. Langfeld, and H. P. Weld (John Wiley & Sons Inc., New York, 1948), pp. 279–280.
  2. E. P. T. Tyndall, J. Opt. Soc. Am. 23, 15–24 (1933).
    [Crossref]
  3. One early report seemed to find that bandwidth had no effect on wavelength, discrimination; however, the sensitivity of the method used is open to question. W. Watson, Proc. Roy. Soc. (London) B84, 118–121 (1911).
    [Crossref]
  4. M. H. Siegel, J. Opt. Soc. Am. 52, 1067–1070 (1962).
    [Crossref] [PubMed]
  5. E. G. Boring, Am. J. Psychol. 28, 280 (1917).
    [Crossref]
  6. M. H. Siegel and F. L. Dimmick, J. Opt. Soc. Am. 52, 1071–1074, (1962).
    [Crossref] [PubMed]
  7. See, for example, either of the following: Y. Hsia and C. H. Graham, Proc. Natl. Acad. Sci. 38, 80–85 (1952); J. S. Kinney, J. Opt. Soc. Am. 48, 185–190 (1958).
    [Crossref] [PubMed]

1962 (2)

1952 (1)

See, for example, either of the following: Y. Hsia and C. H. Graham, Proc. Natl. Acad. Sci. 38, 80–85 (1952); J. S. Kinney, J. Opt. Soc. Am. 48, 185–190 (1958).
[Crossref] [PubMed]

1933 (1)

1917 (1)

E. G. Boring, Am. J. Psychol. 28, 280 (1917).
[Crossref]

1911 (1)

One early report seemed to find that bandwidth had no effect on wavelength, discrimination; however, the sensitivity of the method used is open to question. W. Watson, Proc. Roy. Soc. (London) B84, 118–121 (1911).
[Crossref]

Boring, E. G.

E. G. Boring, Am. J. Psychol. 28, 280 (1917).
[Crossref]

Dimmick, F. L.

Graham, C. H.

See, for example, either of the following: Y. Hsia and C. H. Graham, Proc. Natl. Acad. Sci. 38, 80–85 (1952); J. S. Kinney, J. Opt. Soc. Am. 48, 185–190 (1958).
[Crossref] [PubMed]

Hsia, Y.

See, for example, either of the following: Y. Hsia and C. H. Graham, Proc. Natl. Acad. Sci. 38, 80–85 (1952); J. S. Kinney, J. Opt. Soc. Am. 48, 185–190 (1958).
[Crossref] [PubMed]

Judd, D. B.

D. B. Judd, Handbook of Experimental Psychology, edited by S. S. Stevens (John Wiley & Sons, Inc., New York1951), p. 821; and F. L. Dimmick, in Foundations of Psychology, edited by E. G. Boring, H. S. Langfeld, and H. P. Weld (John Wiley & Sons Inc., New York, 1948), pp. 279–280.

Siegel, M. H.

Tyndall, E. P. T.

Watson, W.

One early report seemed to find that bandwidth had no effect on wavelength, discrimination; however, the sensitivity of the method used is open to question. W. Watson, Proc. Roy. Soc. (London) B84, 118–121 (1911).
[Crossref]

Am. J. Psychol. (1)

E. G. Boring, Am. J. Psychol. 28, 280 (1917).
[Crossref]

J. Opt. Soc. Am. (3)

Proc. Natl. Acad. Sci. (1)

See, for example, either of the following: Y. Hsia and C. H. Graham, Proc. Natl. Acad. Sci. 38, 80–85 (1952); J. S. Kinney, J. Opt. Soc. Am. 48, 185–190 (1958).
[Crossref] [PubMed]

Proc. Roy. Soc. (London) (1)

One early report seemed to find that bandwidth had no effect on wavelength, discrimination; however, the sensitivity of the method used is open to question. W. Watson, Proc. Roy. Soc. (London) B84, 118–121 (1911).
[Crossref]

Other (1)

D. B. Judd, Handbook of Experimental Psychology, edited by S. S. Stevens (John Wiley & Sons, Inc., New York1951), p. 821; and F. L. Dimmick, in Foundations of Psychology, edited by E. G. Boring, H. S. Langfeld, and H. P. Weld (John Wiley & Sons Inc., New York, 1948), pp. 279–280.

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Figures (4)

Fig. 1
Fig. 1

Discrimination limens for each observer at four bandwidth values, 500–630 mμ.

Fig. 2
Fig. 2

Mean limens at all bandwidth values. 500–630 mμ.

Fig. 3
Fig. 3

Standard deviations for each observer at four bandwidth values, 500–630 mμ.

Fig. 4
Fig. 4

Mean standard deviations at all bandwidth values, 500–630 mμ.

Tables (2)

Tables Icon

Table I Summary of analysis of variance of standard deviations at 5-, 10-, and 20-mμ bandwidths.

Tables Icon

Table II Colorimetric purity as a function of bandwidth.