A PEAK SHIFT ON A LINE‐TILT CONTINUUM1
- 1 July 1967
- journal article
- research article
- Published by Wiley in Journal of the Experimental Analysis of Behavior
- Vol. 10 (4) , 361-366
- https://doi.org/10.1901/jeab.1967.10-361
Abstract
Pigeons were trained to discriminate the presence or absence of a vertical line, and their performance on a subsequent generalization test was compared with that of other pigeons trained to discriminate a vertical from a 45° line. On the generalization gradient after discrimination training, the presence/absence discrimination group showed a peak at 0° (vertical) while the peak for the 0°/45° discrimination group shifted from 0° in a direction away from the 45° line. The results, discussed in connection with a recent suggestion about the role of color in the peak-shift effect, are interpreted as supporting the generality of the phenomenon.This publication has 14 references indexed in Scilit:
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