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Research Article

Fitness Costs Predict Inbreeding Aversion Irrespective of Self-Involvement: Support for Hypotheses Derived from Evolutionary Theory

  • Jan Antfolk mail,

    jantfolk@abo.fi

    Affiliation: Department of Psychology and Logopedics, Abo Akademi University, Turku, Finland

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  • Debra Lieberman,

    Affiliation: Department of Psychology, University of Miami, Coral Gables, Florida, United States of America

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  • Pekka Santtila

    Affiliation: Department of Psychology and Logopedics, Abo Akademi University, Turku, Finland

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  • Published: November 28, 2012
  • DOI: 10.1371/journal.pone.0050613

About the Authors

Jan Antfolk, Pekka Santtila
Department of Psychology and Logopedics, Abo Akademi University, Turku, Finland
Debra Lieberman
Department of Psychology, University of Miami, Coral Gables, Florida, United States of America

Corresponding Author

Email: jantfolk@abo.fi

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JA DL PS. Performed the experiments: JA PS. Analyzed the data: JA PS. Contributed reagents/materials/analysis tools: JA PS. Wrote the paper: JA DL PS.