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Has The World Changed? My Neighbor Might Know Effects of Social Context on Routine Deviation

Author

Listed:
  • Tilman Betsch

    () (University of Erfurt, Department of Psychology)

  • Stefanie Lindow

    (University of Erfurt, Department of Psychology)

  • Christoph Engel

    (Max Planck Institute for Research on Collective Goods)

  • Corinna Ulshöfer

    (University of Bern, Switzerland)

  • Janet Kleber

    (Max Planck Institute for Research on Collective Goods)

Abstract

In two experiments we studied the effects of behavioral models on routine deviation decisions in observers. Participants repeatedly chose among four card-deck lotteries together with a human model (confederate, Exp. 1) or a non-human model (computer, Exp. 2) that made correct decisions in the majority of the trials. In a learning phase, participants acquired a choice routine (preferring one deck over others). In a subsequent test phase, participants had to adapt to changes in the payoff structure that required them to deviate from their routine. We found a strong tendency to maintain the routine despite negative feedback (routine effect). In a social situation (Exp.1), models decrease routine effects more intensely than in non social situations (Exp.2). The process of adaptation follows a belief updating process. Results indicate that the model effect is not due to an increase of the sample of relevant information nor to application of a simply copy heuristic. Rather, deviation models may provide a cue for change that fosters reevaluation of the situation in the observer.

Suggested Citation

  • Tilman Betsch & Stefanie Lindow & Christoph Engel & Corinna Ulshöfer & Janet Kleber, 2011. "Has The World Changed? My Neighbor Might Know Effects of Social Context on Routine Deviation," Discussion Paper Series of the Max Planck Institute for Research on Collective Goods 2011_21, Max Planck Institute for Research on Collective Goods.
  • Handle: RePEc:mpg:wpaper:2011_21
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    References listed on IDEAS

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    1. Samuelson, William & Zeckhauser, Richard, 1988. "Status Quo Bias in Decision Making," Journal of Risk and Uncertainty, Springer, vol. 1(1), pages 7-59, March.
    2. Cameron,A. Colin & Trivedi,Pravin K., 2008. "Microeconometrics," Cambridge Books, Cambridge University Press, number 9787111235767, December.
    3. Eldad Yechiam & Meir Druyan & Eyal Ert, 2008. "Observing others' behavior and risk taking in decisions from experience," Judgment and Decision Making, Society for Judgment and Decision Making, pages 493-500.
    4. Kok Teo & T. Cheng & Xiaoqiang Cai & Xiaoqi Yang, 2005. "Preface," Annals of Operations Research, Springer, vol. 133(1), pages 17-20, January.
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    Keywords

    Experienced-based decision making; routine; habit; adaptation; social influence; Bayesian updating; novelty;

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