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Response distribution as an explanation of the mirror effect
1Department of Psychology, New York University, New York 10003, USA. mg@xp.psych.nyu.edu
Summary
The response distribution hypothesis, which explains the mirror effect in recognition memory, was tested. Experiments demonstrated the mirror effect occurs even without distinctive item sets or response equalization, refuting the hypothesis.
Area of Science:
- Cognitive Psychology
- Memory Research
Background:
- The mirror effect in recognition memory is a phenomenon where performance differs based on item characteristics.
- The response distribution hypothesis proposes this effect arises from participants equalizing response rates across item sets.
Purpose of the Study:
- To empirically test the response distribution hypothesis as an explanation for the mirror effect in recognition memory.
- To investigate whether the mirror effect is contingent on distinctive item sets and response equalization.
Main Methods:
- Four experiments were conducted to assess the mirror effect under varying conditions.
- Experiments manipulated the distinctiveness of item sets and the presence of response equalization.
Main Results:
- The mirror effect was observed even when item sets were not distinctive.
- The mirror effect persisted in the absence of response equalization.
- The response distribution hypothesis failed to explain the observed mirror effect across tested conditions.
Conclusions:
- The response distribution hypothesis is not a valid explanation for the mirror effect in recognition memory.
- The mirror effect is a robust phenomenon independent of response distribution strategies.