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Post hoc power analysis: is it an informative and meaningful analysis?

Xin M Tu et al · Wiley · 2019

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Author / responsible party
Xin M Tu et al
Publisher
Wiley
Year
2019
ISSN
2517-729X
ISSN
2517-729X
Language
English

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Power analysis is a key component for planning prospective studies such as clinical trials. However, some journals in biomedical and psychosocial sciences ask for power analysis for data already collected and analysed before accepting manuscripts for publication. In this report, post hoc power analysis for retrospective studies is examined and the informativeness of understanding the power for detecting significant effects of the results analysed, using the same data on which the power analysis is based, is scrutinised. Monte Carlo simulation is used to investigate the performance of posthoc power analysis.

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APA 7

al, X. M. T. E. (2019). Post hoc power analysis: is it an informative and meaningful analysis?. https://doi.org/10.1136/gpsych-2019-100069

MLA

al, Xin M Tu et. "Post hoc power analysis: is it an informative and meaningful analysis?." 2019. https://doi.org/10.1136/gpsych-2019-100069.

Chicago

al, Xin M Tu et. 2019. "Post hoc power analysis: is it an informative and meaningful analysis?.". https://doi.org/10.1136/gpsych-2019-100069.

Harvard

al, X. M. T. E. 2019, Post hoc power analysis: is it an informative and meaningful analysis?, Wiley, available at: https://doi.org/10.1136/gpsych-2019-100069 [Accessed 7 Aug. 2026].

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Title
Post hoc power analysis: is it an informative and meaningful analysis?
Author / contributors
Xin M Tu et al
Publisher
Wiley
Publication year
2019
ISSN
2517-729X
ISSN
2517-729X
Language
English
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