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1 vote
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G*power -> MANOVA (global effects) confusion with given effect size

I'm working with G*power to calculate the sample size for my experiment. At the moment I'm a little bit confused handling the effect size values. I have 3 IV (3 groups) and 2 DV => so i will use ...
Tom's user avatar
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1 vote
0 answers
70 views

Would a repeated measures MANOVA be appropriate for a 9DV, 2IV within subjects study design?

I am trying to get an estimate of participants to strive for in my study. Being rather new to the research and stats scene, I was hoping the community could help me out a little bit? The study has 9 ...
sc4s2cg's user avatar
  • 11
0 votes
0 answers
31 views

What type of test do I use in G Power?

I've got 1 IV with 2 levels (within-subjects) and 4 VD's (with 7 levels). What type of test do I use in this case ? Thank you
Greg's user avatar
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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
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