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Interference and the representation of events in memory.
1Psychology Department, Pennsylvania State University, University Park 16802.
Journal of Experimental Psychology. Learning, Memory, and Cognition
|September 1, 1991
Summary
Strong memory items do not interfere with recognition tests, contrary to current memory models. Interference in memory recall is attributed to retrieval failures, not storage issues.
Area of Science:
- Cognitive Psychology
- Human Memory Research
Background:
- Current memory models predict list-strength effect (stronger items cause more interference).
- This effect is observed in free recall but not recognition tests.
- The reason for this discrepancy in recognition is unclear.
Purpose of the Study:
- To investigate why the list-strength effect is absent in recognition memory.
- To test if storage redistribution masks interference from strong items.
- To determine the cause of interference in memory performance.
Main Methods:
- Four experiments were conducted using end-of-session testing.
- Study-test delay was manipulated.
- Memory performance was assessed using recognition tests.
Main Results:
- No evidence of storage redistribution from strong to weak items was found.
- Delay between study and test independently caused memory loss.
- Strong memory items did not interfere with recognition performance.
Conclusions:
- The presence of strong items in memory does not hinder recognition.
- Memory interference in recognition tasks stems from retrieval failures, not storage-related destructive interactions.
- Findings challenge existing models of the list-strength effect in memory.