Peer influence on risk taking, risk preference, and risky decision making in adolescence and adulthood: an experimental study.

@article{Gardner2005PeerIO,
  title={Peer influence on risk taking, risk preference, and risky decision making in adolescence and adulthood: an experimental study.},
  author={Margo Gardner and Laurence D. Steinberg},
  journal={Developmental psychology},
  year={2005},
  volume={41 4},
  pages={
          625-35
        }
}
In this study, 306 individuals in 3 age groups--adolescents (13-16), youths (18-22), and adults (24 and older)--completed 2 questionnaire measures assessing risk preference and risky decision making, and 1 behavioral task measuring risk taking. Participants in each age group were randomly assigned to complete the measures either alone or with 2 same-aged peers. Analyses indicated that (a) risk taking and risky decision making decreased with age; (b) participants took more risks, focused more on… 

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