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Type: Journal article
Title: Stimulus type and the list strength paradigm
Author: Osth, A.
Dennis, S.
Kinnell, A.
Citation: Quarterly Journal of Experimental Psychology, 2014; 67(9):1826-1841
Publisher: Taylor & Francis
Issue Date: 2014
ISSN: 1747-0218
Statement of
Adam F. Osth, Simon Dennis, and Angela Kinnell
Abstract: In recognition memory, increasing the strength of studied items does not reduce performance on other items, an effect dubbed the null list strength effect (LSE). While this finding has been replicated many times, it has rarely been tested using stimuli other than single words. Kinnell and Dennis ( 2012 ) recently tested for the presence of list length effects using non-word stimulus classes while controlling for the confounds that are present in list length designs. Small list length effects were found for fractal and face images. We adopted the same paradigm and stimuli used by Kinnell and Dennis to test whether these stimuli would be susceptible to list strength effects as well. We found significant LSEs for fractal images, but null LSEs for face images and natural scene photographs. Stimuli other than words do appear to be susceptible to list strength effects, but these effects are small and restricted to particular stimulus classes, as is the case in list length designs. Models of memory may be able to address differences between these stimulus classes by attributing differences in representational overlap between the stimulus classes.
Keywords: Recognition memory
Global matching models
Computational modelling
Criterion shifts
List strength
Rights: © 2014 The Experimental Psychology Society
DOI: 10.1080/17470218.2013.872824
Appears in Collections:Aurora harvest 3
Psychology publications

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