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

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PLoS one. 2018, 13(6), e0199554. eISSN 1932-6203. Available under: doi: 10.1371/journal.pone.0199554
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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(n = 277), on average, had published over three papers on ego depletion, and had completed more than two additional, unpublished studies.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.

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ISO 690WOLFF, Wanja, Lorena BAUMANN, Chris ENGLERT, 2018. Self-reports from behind the scenes : Questionable research practices and rates of replication in ego depletion research. In: PLoS one. 2018, 13(6), e0199554. eISSN 1932-6203. Available under: doi: 10.1371/journal.pone.0199554
BibTex
@article{Wolff2018-06-25Selfr-42706,
  year={2018},
  doi={10.1371/journal.pone.0199554},
  title={Self-reports from behind the scenes : Questionable research practices and rates of replication in ego depletion research},
  number={6},
  volume={13},
  journal={PLoS one},
  author={Wolff, Wanja and Baumann, Lorena and Englert, Chris},
  note={Article Number: e0199554}
}
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