Bioequivalence and Bioavailability Forum • Fight the good fight

Fight the good fight [Power / Sample Size]

posted by Helmut – Vienna, Austria, 2011-02-08 12:27 (5617 d 23:41 ago) – Posting: # 6588
Views: 10,492

Dear D. Labes!

❝ [...] "A power analysis is expected." [sic !]

Hurrah! Maybe the reviewer should have been guided to CONSORT, especially the download section. The 2010 guideline was published in leading journals - maybe he/she doesn't read? Quote from Item 7 (Sample size):

There is little merit in a post hoc calculation of statistical power using the results of a trial; the power is then appropriately indicated by confidence intervals.

See also this nice discussion in the British Medical Journal after CONSORT 2001 was published.

—
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Helmut Schütz

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Complete thread:

Post hoc power Helmut 2011-02-07 19:05
- The battle is not over d_labes 2011-02-08 09:18
  - Fight the good fightHelmut 2011-02-08 11:27
- Post hoc power earlybird 2011-02-08 11:20
  - Post hoc power Helmut 2011-02-08 12:22
    - Post hoc power Dr_Dan 2011-02-08 14:31
      - Post hoc power Helmut 2011-02-08 14:34
        
        Risk nitpicking d_labes 2011-02-08 15:17