Purpose of the study? [Power / Sample Size]

posted by Helmut Homepage – Vienna, Austria, 2020-09-30 20:08 (1296 d 13:40 ago) – Posting: # 21953
Views: 2,587

[image]Hi Ihababdallah,

❝ […] if a study design is 5x5 cross over trial, reference, 3 treatments, and placebo, and I would like to estimate the sample size ?


See the subject line. If you will tell us the purpose of the study, we may help.
What do you want to demonstrate? Equivalence of the treatments to the reference and superiority of all to placebo or what?

Dif-tor heh smusma 🖖🏼 Довге життя Україна! [image]
Helmut Schütz
[image]

The quality of responses received is directly proportional to the quality of the question asked. 🚮
Science Quotes

Complete thread:

UA Flag
Activity
 Admin contact
22,987 posts in 4,824 threads, 1,663 registered users;
95 visitors (0 registered, 95 guests [including 6 identified bots]).
Forum time: 09:49 CEST (Europe/Vienna)

The only way to comprehend what mathematicians mean by Infinity
is to contemplate the extent of human stupidity.    Voltaire

The Bioequivalence and Bioavailability Forum is hosted by
BEBAC Ing. Helmut Schütz
HTML5