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13 votes
2 answers
43k views

Post-hoc tests for MANOVA: univariate ANOVAs or discriminant analysis?

I am using a MANOVA test to compare nine different dependent variables (from neuropsychological and neuropsychiatric assessment) between three groups. The output shows a significant influence from ...
TvBalkom's user avatar
  • 390
4 votes
1 answer
565 views

Repeated measures ANOVAs instead of repeated measures MANOVA w/ small N?

I have 3 variables that have been measured on 4 occasions and a sample size of 16. I was considering a repeated measures MANOVA to ascertain if the changes over time were statistically significant. ...
laf's user avatar
  • 41
3 votes
2 answers
24k views

How to work out Effect Size for a MANOVA using G*Power

I'm using G*Power to work out how many participants I need. I'll be using a MANOVA, I have two independent variables (Male and Female) and they will be answering 13 different questionnaires so 13 ...
Jesse Smith's user avatar
2 votes
2 answers
6k views

Carry out power analysis for MANCOVA using G*Power

There are helpful questions and answers for how to calculate the required sample size (or carry out a power analysis) for MANOVA, but not for MANCOVA using the freely-available G Power software. Is ...
Joshua Rosenberg's user avatar