The Joint Effects of Task-Related Negative Affect and Task Difficulty in Multiattribute Choice

Can task-related emotions improve decision performance in some tasks but impair it in others? In this paper, we investigate whether the effects of task-related negative affect on decision accuracy depend on task difficulty. We hypothesize that increasing task-related negative affect increases decisi...

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Bibliographic Details
Published in:Organizational behavior and human decision processes 1997-05, Vol.70 (2), p.159-174
Main Authors: Stone, Dan N., Kadous, Kathryn
Format: Article
Language:English
Subjects:
Accuracy
Behavioral sciences
Biological and medical sciences
Cognition & reasoning
Cognition. Intelligence
Decision making. Choice
Decision theory
Fundamental and applied biological sciences. Psychology
Psychology. Psychoanalysis. Psychiatry
Psychology. Psychophysiology
Studies
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Summary:Can task-related emotions improve decision performance in some tasks but impair it in others? In this paper, we investigate whether the effects of task-related negative affect on decision accuracy depend on task difficulty. We hypothesize that increasing task-related negative affect increases decision makers' use ofscanningstrategies, i.e., of quickly but indiscriminately examining available information. In easy choice tasks, scanning strategies increase choice accuracy by increasing the amount of information acquired about the best alternatives in a choice set. But in hard tasks, scanning strategies decrease choice accuracy because decision makers spend less time examining the most important choice attributes. We examine these issues in an experiment in which 255 participants made 9 multiattribute choices in one of the four conditions created by crossing two levels of task-related negative affect (high, low) with two levels of choice difficulty (hard, easy). The results indicate that: (1) increasing task-related negative affect increased the use of scanning strategies, which increased choice accuracy in easy tasks but impaired it in hard tasks, (2) the use of scanning decision strategies mediates the effect of negative affect on decision accuracy, and (3) the effects of negative affect on choice accuracy primarily occurred in earlier choices. We conclude by discussing the limitations of our study and by arguing for greater attention to the specific decision effects of task-related emotions.
ISSN:0749-5978
1095-9920
DOI:10.1006/obhd.1997.2703