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Asymmetric Walkway: A Novel Behavioral Assay for Studying Asymmetric Locomotion

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Published on: January 15, 2016

Asymmetries of comparison.

C M Aguilar¹, D L Medin

¹Department of Psychology, Northwestern University, Evanston, Illinois 60208, USA. caguilar@merle.acns.nwu.edu

Psychonomic Bulletin & Review

|August 30, 2002

Summary

People do not always judge the similarity of A to B as equal to B to A. Comparison asymmetries in similarity ratings are observed, but only under specific experimental conditions.

Area of Science:

Cognitive Psychology
Decision Making
Psychological Measurement

Background:

Tversky's (1977) research introduced the concept of directionality in similarity judgments, showing that similarity(A, B) is not always equal to similarity(B, A).
Investigating comparison asymmetries is crucial for understanding the nuances of human judgment and decision-making processes.

Purpose of the Study:

To investigate comparison asymmetries in similarity judgments.
To extend Tversky's findings on directionality to a heterogeneous stimulus set.
To determine the conditions under which similarity rating asymmetries are observed.

Main Methods:

Conducted a series of experiments involving various comparison judgments.
Experiment 1 used a heterogeneous stimulus set to test for asymmetries.

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Experiment 2 employed diverse judgment measures and direction as a within-subjects factor.

Main Results:

No reliable comparison asymmetries were observed in Experiment 1 with a heterogeneous stimulus set.
While some measures in Experiment 2 showed asymmetries, rated similarity remained symmetrical.
Similarity rating asymmetries were observed only when direction was manipulated as a within-subjects factor.

Conclusions:

The study reinforces the existence of comparison asymmetries in human judgment.
Similarity rating asymmetries are not universally observed and appear to be contingent on specific experimental designs and conditions.