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Letters to Nature
Nature 173, 363 - 364 (20 February 1954); doi:10.1038/173363a0

The Kappa Effect


Department of Psychology, Birkbeck College, University of London.

THE new phenomenon in time judgment, described by Cohen, Hansel and Sylvester1 and called by them the kappa effect, is independently confirmed in the following set of observations. These observations have been elicited under different conditions, by another experimental procedure, and over a further range of time-intervals than those described by the above authors.

  1. Cohen, J. , Hansel, C. E. M. , and Sylvester, J. D. , Nature, 172, 901 (1953). | PubMed | ISI | ChemPort |

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