Abstract
On the basis of the input-process-output model, the present research examined how individual performance, interpersonal attraction, and interpersonal behavior affect group performance in a problem-solving task. 164 participants were assigned to 41 groups, each consisting of four same-sex members. Participants completed a measure of interpersonal attraction and individually solved the established moon-landing task. Afterwards, all group members worked together to find a common solution for this task. Four interpersonal behaviors were recorded on video while the group interacted (cooperative, communicative, coordinative, and conflict behavior). Two main findings emerged: First, on average, groups performed better than the individuals did alone. Second, individual performance, interpersonal attraction, and directly observed interpersonal behaviors were independent predictors of group performance. Furthermore, we found indications that interpersonal behavior might play a mediating role here. The results and their implications are discussed.
Highlights
On the basis of the input-process-output model, the present research examined how individual performance, interpersonal attraction, and interpersonal behavior affect group performance in a problem-solving task. 164 participants were assigned to 41 groups, each consisting of four same-sex members
Nikoleizig et al: Prediction of Group Performance present study, we focused on individual performance and interpersonal attraction between the group members before the group interaction as the input variables that would be most likely to predict group performance (e.g., Beal et al, 2003; Devine & Philips, 2001)
On the basis of the inputprocess-output model (Hackman, 1987; McGrath, 1964), we investigated the interplay of individual performance, interpersonal attraction, and actual interpersonal behaviors in predicting group performance in a task with high interdependence
Summary
On the basis of the input-process-output model, the present research examined how individual performance, interpersonal attraction, and interpersonal behavior affect group performance in a problem-solving task. 164 participants were assigned to 41 groups, each consisting of four same-sex members. On the basis of the input-process-output model, the present research examined how individual performance, interpersonal attraction, and interpersonal behavior affect group performance in a problem-solving task. We aimed to fill this gap by examining the influence of both individual performance and interpersonal attraction on group performance and by investigating possible mediating processes. Participants worked individually and in groups on an established rational problem (i.e., the moon-landing task) We assessed their attraction to the other group members, and we assessed four interpersonal behaviors (cooperation, communication, coordination, and conflict) while the group interacted. This allowed us to investigate the role of actual interpersonal behavior in explaining the relations between individual performance, interpersonal attraction, and group performance.
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