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Anatomy of stimulus comparison.
Stockholm University, Faculty of Social Sciences, Department of Psychology.
2005 (English)In: Fechner Day 2005: Proceedings of the 21st Annual Meeting of the International Society for Psychophysics, 2005, 113-118 p.Chapter in book (Refereed)
Abstract [en]

Stimulus comparison by human observers is a more complex process than the subtraction carried out by a simple comparator. This is shown by the patterns of time- and space-order "errors." Specifically, experiments show that the two compared stimuli exert differential influence on the comparative response. This invalidates models based on additive bias or semantic congruity. The sensation-weighting (SW) model can account for many of the results. One important consequence is that the discriminability of two stimuli depends on which of them is varied.

Place, publisher, year, edition, pages
2005. 113-118 p.
Keyword [en]
stimulus comparison, sensation-weighting model, time-order error, space-order error, stimulus discrimination
National Category
URN: urn:nbn:se:su:diva-13572OAI: diva2:180092
Available from: 2008-04-11 Created: 2008-04-11Bibliographically approved

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Hellström, Åke
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ReferencesLink to record
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