Dissociations of grammaticality and specific similarity effects and in artificial grammar learning
Higham, Philip A. (1997) Dissociations of grammaticality and specific similarity effects and in artificial grammar learning. Journal of Experimental Psychology: Learning, Memory, and Cognition, 23, (4), 1029-1045. (doi:10.1037/0278-73184.108.40.2069). (PMID:9231440).
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Three artificial grammar learning experiments investigated the memory processes underlying classification judgments. In Experiment 1, effects of grammaticality, specific item similarity, and chunk frequency were analogous between classification and recognition tasks. In Experiments 2A and 2B, instructions to exclude "old" and "similar" test items, under conditions that limited the role of conscious recollection, dissociated grammaticality and similarity effects in classification. Dividing attention at test also produced a dissociation in Experiment 3. It is concluded that a dual-process model of classification, whereby the grammaticality and specific similarity effects are based mostly on automatic and intentional memory processes, respectively, is consistent with the results, whereas a unitary mechanism account is not. This conclusion is further supported by evidence indicating that chunk frequency had both implicit and explicit influences on classification judgments.
|Subjects:||B Philosophy. Psychology. Religion > BF Psychology|
|Divisions:||University Structure - Pre August 2011 > School of Psychology > Division of Cognition
|Date Deposited:||03 Mar 2006|
|Last Modified:||08 Nov 2011 12:33|
|Contributors:||Higham, Philip A. (Author)
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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