The Maintenance of Traditions in Marmosets: Individual Habit, Not Social Conformity? A Field Experiment
2009

Marmosets and Social Conformity

Sample size: 57 publication 10 minutes Evidence: high

Author Information

Author(s): Mario B. Pesendorfer, Tina Gunhold, Nicola Schiel, Antonio Souto, Ludwig Huber, Friederike Range

Primary Institution: Department of Neurobiology and Cognition Research, University of Vienna, Vienna, Austria

Hypothesis

Is social conformity necessary for the maintenance of behavioral patterns in marmosets, or can individual habits suffice?

Conclusion

Marmosets maintain behavioral patterns through individual habit formation rather than social conformity.

Supporting Evidence

  • Marmosets trained to use a specific method maintained that method over time.
  • In free-choice conditions, marmosets showed a preference for the method they were first successful with.
  • Social conformity was not observed in the marmosets during the experiment.

Takeaway

Marmosets tend to stick with what they learned first instead of following what the group does, showing that they rely more on their own habits.

Methodology

The study involved training marmosets to use a box in two different ways and observing their preferences over time.

Potential Biases

Potential biases in individual preferences and group dynamics were not fully controlled.

Limitations

The study was conducted in a specific ecological setting, which may limit the generalizability of the findings.

Participant Demographics

The study involved 57 free-ranging common marmosets from multiple family groups.

Statistical Information

P-Value

p<0.01

Statistical Significance

p<0.01

Digital Object Identifier (DOI)

10.1371/journal.pone.0004472

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