All Questions
Tagged with manova sample-size
10
questions
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325
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PERMANOVA - small and unequal sample sizes
I am comparing fish communities at 2 sites (upstream vs downstream) with data collected in two seasons (wet and dry) over several years (2017-2022), with data from the first pair of wet and dry ...
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0
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Do ANOVA & MANOVA require balanced levels?
I have one independent variable with two levels, or categories, and four dependent variables.
When doing a MANOVA or ANOVA test, how important is it for the number of observations in each category to ...
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4
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2
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1k
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MANOVA with variables from different datasets
I conducted several experiments where I have one underlying independent variable (tree species, IV). Each of these experiments gave me one dependent variable (DV), like bark pH, rugosity or the water-...
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318
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How to compensate for unequal sample sizes in multivariate tests?
I have several linear and geometric cranial variables of specimens sampled from about 20 different localities. The sample sizes per locality range between 9 – 100. What would be the best multivariate ...
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1
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1
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414
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Within-Subjects or Between-Subjects MANOVA
I am designing an experiment to test drone pilot reaction time to obstacles introduced to the drone's flight path in a controlled setting. There is one IV with 3 levels, and 3 DV. IV is visual ...
2
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2k
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Quasi-experiment: sample size & statistics
I am conducting a quasi-experimental research in a school, where I have access to 100 students who are chosen as classrooms and who will be the participants of the study. I am interested in the ...
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1
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Sample size estimation for MANOVA
I am trying to run a replication of a study which used a factorial design (2x2) with three DVs (dependent variables) and subsequently ran three ANOVAs to test their hypotheses. Given that the DVs in ...
- 141
1
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G*Power-Repeated measures MANOVA "number of measurements" input field
I am trying to calculate the sample size needed with G*Power for my dissertation study. I will be doing a Repeated Measures MANOVA within/between interaction. My question is in the field "number of ...
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4
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1
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557
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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. ...
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Does the importance of the normality assumption in MANOVA decrease as sample size increases?
Does the importance of the normality assumption in MANOVA decrease as group sample size increases?
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