WebPEAKSHIFTIN HUMAN GENERALIZATION 479 mal responding should gradually shift from the pre vious S+ toward a value of 50 gm. heavier. This explains the post-discrimination"peak shift" in AL terms, and it leads to an intriguing additional pre diction. Suppose that in original training the S+ had been 200 gm., the S-,180 gm., and the AL had Webevidence of a peak-shift in a predators' generalization gradient in a stimulus dimension of increasing prey conspicuousness. The mechanisms behind this peak-shift are investigated and discussed. ... at least to the human eye. They are coloured brightly orange-red with black head, legs and wing buds. The insects were kept in cultures with a ...

Rule-based processes in generalisation and peak shift in …

WebDuring postdiscrimination generalization testing, the peak of the generalization gradient is displaced from the S to another stimulus that is farther from the S than from the S (e.g., … WebOct 8, 2011 · In Hanson’s classic peak shift demonstrations with pigeons, more similar S+ and S– discrimination wavelengths led to a larger shift in generalization away from the S–. The effect of S+/S– similarity on the peak shift effect is a consistent empirical result (Baron, 1973 ; Hanson, 1959 ; Purtle, 1973 ) that adequate discrimination ... martin luther king mountain

APA Dictionary of Psychology

WebPeak shift and rules in human generalization. Two experiments tested whether a peak-shifted generalization gradient could be explained by the averaging of distinct gradients … WebSep 1, 1973 · The difference between gradients produced in human categorization and animal conditioning does not appear to be merely a consequence of having two responses rather than one, as similar... Weband peak shift in human fear conditioning Ola Ahmed and Peter F Lovibond Abstract Two experiments explored the role of verbalisable rules in generalisation of human differential … martin luther king newspaper