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Post hoc power? [Power / Sample Size]

posted by BE-proff – 2016-12-04 22:46 (3492 d 09:47 ago) – Posting: # 16834
Views: 6,518

Hi Helmut,

I should confess - it was fictitious "study" just to show calculations :-D

But is it correct that post hoc power calculations are not necessary?

What to do if post hoc power is 65% while a study protocol requires at least 80%? :confused:

Complete thread:

How to calculate power correctly? BE-proff 2016-12-03 20:53
- Post hoc power? Helmut 2016-12-04 14:16
  - Post hoc power?BE-proff 2016-12-04 21:46
    - Post hoc power? Helmut 2016-12-05 01:04
- How to calculate power correctly? ElMaestro 2016-12-10 16:22

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