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The role of mediators for the pretesting effect
Johannes Bartl1, Oliver Kliegl1, Karl-Heinz T Bäuml1
1Department of Experimental Psychology, Regensburg University, Regensburg, Germany.
Taking a pretest before studying material enhances later recall. This study found that semantic mediators, related but unstudied information, improve recall performance, supporting the elaboration account of the pretesting effect.
Area of Science:
- Cognitive Psychology
- Memory Research
Background:
- Pretesting before studying material can improve subsequent recall.
- The role of semantic mediators in this pretesting effect requires further investigation.
Purpose of the Study:
- To evaluate the role of semantic mediators in the pretesting effect.
- To test the elaboration account of the pretesting effect.
Main Methods:
- Subjects studied weakly associated word pairs, with half receiving a pretest.
- Recognition and cued-recall tests were administered.
- Semantic mediators, unstudied but related words, were used as lures or retrieval cues.
Main Results:
- Pretesting led to higher false alarm rates for semantic mediators in recognition tasks.
- Pretesting improved recall of target items when semantic mediators were used as retrieval cues.
- Findings support the elaboration account of the pretesting effect.
Conclusions:
- Semantic mediators play a significant role in the pretesting effect.
- The elaboration account provides a viable explanation for these findings.
- Results challenge alternative explanations for the pretesting effect.
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