Converging evidence for the retrieval effect in proactive interference!

Yanfang Joyce Koh (2011). Converging evidence for the retrieval effect in proactive interference! Honours Thesis, School of Psychology, The University of Queensland.

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Author Yanfang Joyce Koh
Thesis Title Converging evidence for the retrieval effect in proactive interference!
School, Centre or Institute School of Psychology
Institution The University of Queensland
Publication date 2011-10-12
Thesis type Honours Thesis
Supervisor Emeritus Professor Michael Humphreys
Total pages 73
Language eng
Subjects 1701 Psychology
Abstract/Summary Early research on proactive interference in memory retrieval processes explained that recall failures were a consequence of the encoding effect. However, some studies have found evidence of the retrieval effect in proactive interference. The current research aimed to provide a novel method of testing for the retrieval effects. Two experiments using the probabilistic paired associate paradigm (Humphreys & Murray, 2011; Humphreys, Murray, & Maguire, 2009) were conducted. In these experiments, stimuli similar to those employed in previous research were adopted to test the usefulness of the paradigm. Participants studied word-pair lists in which two targets were probabilistically paired with a cue across multiple short lists, and received a cued recall test after each study list. The cued recall tests required participants to recall the target paired with the cue in the immediately preceding list, produce one of the two targets that had been paired the cue across the study lists and generate a free association response. Designed to validate the paradigm, target stimuli for Experiment 1 were drawn from taxonomic categories. In Experiment 2, Arabic numbers and spelled-out numbers were used to find converging evidence of the effect. Results from Experiment 1 demonstrated that the probabilistic paired associate paradigm could be used for the purpose of this research. Consistent with past literature, context effects and switching costs were observed, indicating a retrieval effect. However, Experiment 2 was less conclusive. While results showed that there was a switching cost, the context effect was absent. Possible explanations for the discrepancy were examined.
Keyword Proactive interference
Memory retrieval processes

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Created: Tue, 19 Jun 2012, 14:10:50 EST by Mrs Ann Lee on behalf of School of Psychology