Don't Calculate Post-hoc Power Using Observed Estimate of Effect Size

Affiliations

Comment

Andrew Gelman. Ann Surg. 2019 Jan.

. 2019 Jan;269(1):e9-e10.

doi: 10.1097/SLA.0000000000002908.

No abstract available

Comment in

Post Hoc Power: A Surgeon's First Assistant in Interpreting "Negative" Studies.
Bababekov YJ, Chang DC. Bababekov YJ, et al. Ann Surg. 2019 Jan;269(1):e11-e12. doi: 10.1097/SLA.0000000000002914. Ann Surg. 2019. PMID: 29979247 No abstract available.
Comment on "Post-hoc Power Using Observed Estimate of Effect Size is too Noisy to be Useful".
Gelman A. Gelman A. Ann Surg. 2019 Aug;270(2):e64. doi: 10.1097/SLA.0000000000003089. Ann Surg. 2019. PMID: 30365417 No abstract available.
Response to Comment on "Misinterpretation of Results With P > 0.05 May Harm Quality and Patient Safety".
Bababekov Y, Lee H, Chang D. Bababekov Y, et al. Ann Surg. 2019 Dec;270(6):e79-e80. doi: 10.1097/SLA.0000000000003314. Ann Surg. 2019. PMID: 30973392 No abstract available.

A Proposal to Mitigate the Consequences of Type 2 Error in Surgical Science.
Bababekov YJ, Stapleton SM, Mueller JL, Fong ZV, Chang DC. Bababekov YJ, et al. Ann Surg. 2018 Apr;267(4):621-622. doi: 10.1097/SLA.0000000000002547. Ann Surg. 2018. PMID: 29064897 No abstract available.