Evaluating testimony from multiple witnesses: single cue satisficing or integration?

AbstractTestimony is a fundamental feature of human life: typically, we receive testimonial evidence from others multiple times each day. Often, we have more than one source attesting to a particular claim. This paper examines the way people integrate testimonial evidence from multiple sources. We find evidence that participants deviate substantially from normative expectation. Instead, results seem indicative of the operation of simple, non-compensatory heuristics at least some of the time.

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