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Using Reliability Information in Dynamic Decision Support: A Cognitive Engineering Approach

The absence of feedback on the quality of decision making complicates the efficacy of methods designed to represent probabilistic information, especially in dynamic decision environments. The present study investigated the effects of changes in task information reliability on the performance of multi-cue judgment across conditions where the reliability of stimulus information was presented as a feedforward information source to enhance performance. Significant decrements in judgment performance were found across discrete changes in the reliability of source information. A Graphic format for presentation of reliability information produced high task performance under high and medium information reliability conditions, whereas an Animated presentation of reliability information produced high task performance under high and low reliability conditions. The results are evaluated in the context of work settings that call for dynamic decision making skills where the absence of immediate feedback is a constraint on performance.