Oops! df? [Study As­sess­ment]

posted by Helmut Homepage – Vienna, Austria, 2019-02-20 20:43 (582 d 00:17 ago) – Posting: # 19947
Views: 6,052

Dear Detlew,

» » Degrees of freedom?
»
» Presumable YES. Since you have already done the Two-at-a-Time evaluation, look at the error degrees of freedom. And be so kind to post them here, and pay attention to look at the df's for all comparisons. Maybe they are or can be different, IIRC. Why ever.

ANOVA: 30 (well…)
TaaTP:
  B/A 8
  C/A 8
  D/A 9

8? 9?? What the heck? Checked my setup until my eyes got dry. In all datasets for the TaaTP I have 12 subjects. Each of the four sequences is allocated to three subjects: ACBD (1, 5, 9), BADC (2, 6, 10), CDAB (3, 7, 11), DBCA (4, 8, 12). Each subject is allocated to exactly two (and the correct) treatments. I don’t get it.

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Helmut Schütz
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