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The major objective of this research was to study the effects of information diversity on decision quality in an unstructured decision task. The information diversity in a set of cues was defined as the number of dimensions in the set. Two other independent variables studied were task learning and decision experience. Decision quality was operationalized to profit and decision time.The results from an experiment conducted to study these variables show that increasing information diversity increases decision time. This effect was hypothesized from theory and prior findings. The hypothesized effects for learning and experience were largely supported. In general, high experience and learning both resulted in higher decision quality. Theexperiment revealed a number of interactions between the variables. The implications of these findings for practice and future research were considered.
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