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Effects of implicit memory on explicit recall: set size and word-frequency effects
1Department of Psychology, University of South Florida, Tampa 33620, USA.
Psychological Research
|January 1, 1995
Summary
The PIER model explains how memory retrieval works. It found that less frequently encountered words are recalled better than frequently encountered ones, supporting the model's predictions.
Area of Science:
- Cognitive Psychology
- Memory Research
- Computational Neuroscience
Background:
- Understanding memory retrieval processes is crucial in cognitive psychology.
- Existing models often focus on explicit recall, with less emphasis on implicit memory dynamics.
- The interaction between encoding, retrieval cues, and memory recovery requires further theoretical explanation.
Purpose of the Study:
- To introduce the Process of Information Encoding and Retrieval (PIER) model.
- To explain how retrieval cues influence the recovery of encoded information.
- To investigate the impact of associative set size and word frequency on implicit memory recovery.
Main Methods:
- Developed the PIER computational model.
- Designed experiments manipulating associative set size and word frequency.
- Tested the model's prediction that infrequent words are recovered more easily.
Main Results:
- The PIER model successfully explains findings in encoding and retrieval tasks.
- Experimental results confirmed the prediction: words with fewer associations (smaller associative set size) and lower frequency were recovered more readily.
- The number of implicitly activated associates significantly affects memory recovery.
Conclusions:
- The PIER model provides a framework for understanding implicit memory.
- Word frequency and associative strength are key factors influencing memory retrieval.
- Further research can extend the PIER model to other memory phenomena.