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Comparing word fragment completion and cued recall with letter cues
D L Nelson1, J J Canas, M T Bajo
1Department of Psychology, University of South Florida, Tampa 33620.
Summary
Fragment completion and cued recall both use letter cues, but cued recall also involves semantic search. Lexical set size impacted both tasks, while meaning set size only affected cued recall.
Area of Science:
- Cognitive Psychology
- Neuroscience
- Memory Research
Background:
- Cued recall and fragment completion utilize letter cues but differ in retrieval explicitness.
- Understanding shared and distinct mechanisms is key to memory research.
Purpose of the Study:
- To investigate the influence of lexical set size and meaning set size on fragment completion and cued recall.
- To differentiate the search processes underlying these two memory retrieval tasks.
Main Methods:
- Four experiments manipulated lexical set size and meaning set size.
- Participants performed both fragment completion and cued recall tasks.
Main Results:
- Both tasks showed reduced target recovery with larger lexical sets.
- Meaning set size affected cued recall but not fragment completion.
- Retrieval cue type had a larger impact than retrieval orientation.
Conclusions:
- Fragment completion relies on lexical search.
- Cued recall involves both lexical and semantic search components.
- Letter cue type is a more significant factor than retrieval orientation in these tasks.