Modeling Source-Memory Overdistribution

Kellen, David and Singmann, Henrik and Klauer, Karl Christoph. (2014) Modeling Source-Memory Overdistribution. Journal of Memory and Language, 76. pp. 216-236.

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Official URL: http://edoc.unibas.ch/51184/

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In a process-dissociation task of source memory, individuals have to judge whether items belong to one of different, mutually exclusive contexts (e.g., Source A, Source B). The acceptance rates to different test probes (e.g., “Source A?”) can be used to estimate the probability that the item is assigned simultaneously to the different contexts (“Source A and Source B”), designated as source overdistribution. Brainerd et al. (2012) have argued that source overdistribution can be used to refute traditional models of source memory such as the One or Two High-Threshold Source-Memory models (1HTSM and 2HTSM; Batchelder and Riefer, 1990; Bayen et al., 1996). We reanalyze previously-published datasets, including Brainerd et al.’s data, and show that there is no support for the rejection of the 1HTSM/2HTSM. Moreover, through a hierarchical-Bayesian model comparison using data from two new experiments, we show that the 2HTSM is not only able to account for source overdistribution, but also provides the best account of the data among different candidate models. These new results suggest that source overdistribution is an outcome of different guessing processes.
Faculties and Departments:07 Faculty of Psychology > Departement Psychologie > Forschungsbereich Sozial-, Wirtschafts- und Entscheidungspsychologie > Cognitive and Decision Sciences (Mata)
UniBasel Contributors:van der Kellen, David
Item Type:Article, refereed
Article Subtype:Research Article
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:30 Nov 2020 10:32
Deposited On:30 Nov 2020 10:32

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