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Influences of domain knowledge on segmentation and memory
Kimberly M Newberry1, Daniel P Feller2, Heather R Bailey3
1Department of Psychology, Shenandoah University, 600 Millwood Ave., Halpin Harrison Hall 117, Winchester, VA, 22601, USA. knewberr@su.edu.
Memory & Cognition
|January 8, 2021
Summary
Expertise enhances memory, but not through event segmentation. This study found experts' segmentation ability did not predict memory, suggesting conceptual factors influence memory more than segmentation skills.
Area of Science:
- Cognitive Psychology
- Expertise Research
- Memory Studies
Background:
- Experts exhibit superior memory, potentially due to encoding mechanisms like chunking and event segmentation.
- Event segmentation, parsing continuous information into discrete units, is influenced by top-down processing.
- The impact of expertise on event segmentation and its subsequent effect on memory remains underexplored.
Purpose of the Study:
- To investigate how expertise influences event segmentation and memory.
- To examine segmentation and memory in distinct domains: basketball and Overwatch.
- To determine if segmentation ability predicts memory performance across different knowledge levels.
Main Methods:
- Participants with varying expertise in basketball and low expertise in Overwatch viewed and segmented videos.
- Segmentation was assessed at both coarse and fine granularities.
- Memory tests were administered post-segmentation to evaluate recall and recognition.
Main Results:
- Significant differences in segmentation ability and memory were observed between basketball experts and novices.
- Experts' segmentation ability did not consistently predict memory performance.
- Segmentation predicted memory specifically for activities where participants lacked prior knowledge.
Conclusions:
- Expertise-related memory superiority may not stem from enhanced event segmentation abilities.
- Conceptual factors, rather than segmentation skill, appear to play a more significant role in memory.
- This research supports the influence of conceptual processing on event segmentation.
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