randomness control [R for BE/BA]

posted by Helmut Homepage – Vienna, Austria, 2021-07-15 16:07 (14 d 12:07 ago) – Posting: # 22469
Views: 224

Dear Detlew,

excavating an old thread… Recently I saw a deficiency letter of a European assessor.

The Applicant is asked to provide block length used in randomization as clear pattern cannot be deduced from randomization scheme.


Single site, one group. The randomization was:

Subj Seq
  1   TR
  2   TR
  3   RT
  4   TR
  5   RT
  6   TR
  7   RT
  8   RT
  9   RT
 10   TR
 11   RT
 12   TR
 13   TR
 14   RT
 15   RT
 16   TR
 17   TR
 18   TR
 19   RT
 20   RT
 21   TR
 22   TR
 23   RT
 24   RT

What was the question?

Dif-tor heh smusma 🖖
Helmut Schütz
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