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Self-reports from behind the scenes: Questionable research practices and rates of replication in ego depletion research

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  • Wanja Wolff
  • Lorena Baumann
  • Chris Englert

Abstract

The strength model of self-control is one of the most influential and well-established models of self-regulation in social psychology. However, recent attempts to replicate the ego depletion effect have sometimes failed. The goal of this study is to investigate self-reported replication rates and the frequency of a set of questionable research practices (QRP) in ego depletion research. A literature search resulted in 1721 researchers who had previously published on ego depletion. They were invited to participate in an anonymous online survey. The respondents (n = 277), on average, had published over three papers on ego depletion, and had completed more than two additional, unpublished studies. Respondents indicated that in more than 40% of their studies, results were similar in magnitude to those reported in the existing literature, and more than 60% reported conducting a priori power analyses. 39.2% of respondents were aware of other researchers who engaged in the surveyed QRP’s, while 37.7% affirmed to have employed said QRP’s. These results underline the importance of reducing QRP’s to reliably test the validity of the ego depletion effect.

Suggested Citation

  • Wanja Wolff & Lorena Baumann & Chris Englert, 2018. "Self-reports from behind the scenes: Questionable research practices and rates of replication in ego depletion research," PLOS ONE, Public Library of Science, vol. 13(6), pages 1-11, June.
    • Handle: RePEc:plo:pone00:0199554
    DOI: 10.1371/journal.pone.0199554
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    References listed on IDEAS

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    1. Corinna S. Martarelli & Wanja Wolff, 2020. "Too bored to bother? Boredom as a potential threat to the efficacy of pandemic containment measures," Palgrave Communications, Palgrave Macmillan, vol. 7(1), pages 1-5, December.
    2. Freuli, Francesca & Held, Leonhard & Heyard, Rachel, 2022. "Replication success under questionable research practices – a simulation study," MetaArXiv s4b65, Center for Open Science.
    3. Chris Englert & Dennis Koroma & Alex Bertrams & Corinna S Martarelli, 2019. "Testing the validity of the attention control video: An eye-tracking approach of the ego depletion effect," PLOS ONE, Public Library of Science, vol. 14(1), pages 1-12, January.
    4. Freuli, Francesca & Held, Leonhard & Heyard, Rachel, 2022. "Replication Success under Questionable Research Practices - A Simulation Study," I4R Discussion Paper Series 2, The Institute for Replication (I4R).

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