Effect of collaborative strategies on retrieval: the evidence from different task materials
Jinhui Hu1, Yaru Sun1, Yajie Duan1
1School of Psychology, Shanghai Normal University, Shanghai, People's Republic of China.
Memory (Hove, England)
|April 5, 2026
Summary
Effective collaborative memory strategies depend on the material. Difference-focused approaches work best for words, while partner-support excels with stories, impacting collaborative retrieval and memory effects.
Area of Science:
- Cognitive Psychology
- Social Psychology
Background:
- Collaborative memory involves individual encoding and group retrieval.
- Research often overlooks communication strategies in collaborative retrieval.
Purpose of the Study:
- Investigate the impact of different collaborative retrieval strategies on memory.
- Examine how these strategies affect collaborative memory and retrieval across various materials.
Main Methods:
- Three experiments were conducted.
- Utilized "free collaboration", "supporting others", and "focusing on differences" strategies.
- Tested effects on words, picture-name pairs, and stories.
Main Results:
- Strategy effectiveness is task-specific: difference-focused for verbal, partner-support for narrative materials.
- Collaborative inhibition and error pruning patterns varied by material and strategy.
- Picture-name pairs showed no performance differences between strategies, only collaborative advantages.
Conclusions:
- Optimal collaboration strategies are material-dependent.
- Collaboration strategies shape interaction patterns during retrieval.
- Alignment between material-optimized and strategy-guided approaches determines retrieval performance.
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