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Group decision-making is optimal in adolescence.

Simone P W Haller1,2, Dan Bang1,3,4,5, Bahador Bahrami6,7

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Adolescents demonstrate optimal group decision-making skills, comparable to adults, even when negotiating differing opinions. This challenges previous views, highlighting adolescent social competencies in dynamic group settings.

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Area of Science:

  • Developmental Psychology
  • Neuroscience
  • Social Cognition

Background:

  • Group decision-making is crucial for societal function and education.
  • Adolescent decision-making research is limited, especially in dynamic social contexts.
  • Previous studies in static contexts suggested 'sub-optimal' adolescent decision-making.

Purpose of the Study:

  • To investigate the optimality of group decision-making across adolescent developmental stages.
  • To examine if adolescents can effectively negotiate and reach joint decisions.
  • To contrast group decision-making with individual performance during adolescence.

Main Methods:

  • Pairs of male adolescents (early: 8-13 years; late: 14-17 years) performed a perceptual decision-making task.
  • Participants negotiated joint decisions when individual choices conflicted.
  • Joint performance was compared to individual performance and adult data.

Main Results:

  • Both early and late adolescent groups achieved adult-level joint decision-making performance.
  • Joint performance indicated optimal integration of individual information.
  • Young adolescents' joint performance declined over time, unlike their individual performance.

Conclusions:

  • Adolescents exhibit competent group decision-making abilities, particularly in dynamic, interactive settings.
  • Findings challenge the notion of universally 'sub-optimal' adolescent decision-making.
  • Results support emerging views of adolescent social behavior as competent rather than deficient.