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Analysis and Specification of Starch Granule Size Distributions

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Control over grain size in memory reporting--with and without satisfying knowledge.

Rakefet Ackerman¹, Morris Goldsmith

¹Department of Psychology, University of Haifa, Haifa, Israel. rakefet@research.haifa.ac.il

Journal of Experimental Psychology. Learning, Memory, and Cognition

|September 4, 2008

Summary

This summary is machine-generated.

Respondents balance answer precision between being informative and correct. A revised dual-criterion model shows that when knowledge is low, informativeness is prioritized over confidence, with "don

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Area of Science:

Cognitive Psychology
Memory and Retrieval

Background:

Individuals strategically adjust answer precision (grain size) when recalling information.
Previous models focused on a single criterion: providing the most precise answer meeting a minimum confidence level.
Social-pragmatic factors necessitate considering informativeness alongside correctness.

Purpose of the Study:

To propose and validate a revised dual-criterion model for answer precision control.
To investigate how respondents balance confidence and informativeness when answering questions.
To examine the role of the 'don't know' response in managing conflicting criteria.

Main Methods:

Theoretical modeling incorporating both minimum confidence and minimum informativeness criteria.
Empirical investigation of respondents' answer precision under varying knowledge levels.
Analysis of response strategies, including the use of 'don't know'.

Main Results:

A dual-criterion model distinguishes between satisfying and unsatisfying knowledge states.
Under low knowledge, respondents prioritize informativeness over confidence, violating the confidence criterion.
The 'don't know' response serves to circumvent criterion conflicts, particularly under low knowledge.

Conclusions:

Answer precision is governed by a trade-off between confidence and informativeness.
The revised dual-criterion model better explains response strategies, especially in low-knowledge situations.
Understanding these criteria is crucial for interpreting memory retrieval and communication.