Fisher, CM; (2017) An ounce of prevention or a pound of cure? Two experiments on in-process interventions in decision-making groups. Organizational Behavior and Human Decision Processes , 138 pp. 59-73. 10.1016/j.obhdp.2016.11.004.

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Abstract

This paper details two laboratory experiments about the timing of formal interventions in decision-making groups. Study 1 showed that groups receiving in-process interventions pooled more critical information and made better decisions than groups receiving pre-task interventions because in-process interventions prolonged discussions and reduced discussion of member preferences. Study 2 showed a similar pattern of results over a smaller time frame; groups receiving in-process interventions prolonged their discussions, discussed member preferences less, and pooled more critical information than those receiving pre-task interventions because they perceived those interventions as more valuable, which indirectly improved the quality of their decisions. Surprisingly, the specific timing of in-process interventions had no significant effects on information pooling or group decisions in either study. These studies collectively suggest that decision-making groups respond more strongly to interventions designed to cure process problems, rather than prevent them, which has implications for theory on formal interventions, group decision making, and group development.

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