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Updated: Aug 14, 2026

Measuring the Subjective Value of Risky and Ambiguous Options using Experimental Economics and Functional MRI Methods
Published on: September 19, 2012
Measurement of ambiguity tolerance
1Department of Speech Communication, University of Michigan, Ann Arbor, Michigan 48104, USA.
Abstract:
Presented definitions for the construct of ambiguity tolerance. The measure of ambiguity tolerance (MAT-50) had high internal reliability (r = .88) and high test-retest reliability (r = .86) over a 10-to-12 week period. A content analysis of the measure and a subjective analysis by 20 graduate students indicated adequate content validity. A multivariate comparison with two other ambiguity measures, two rigidity measures, and a short dogmatism measure provided strong evidence for criteria-related validity. Finally, four independent empirical studies showed good construct validity.
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