All Questions
13 questions
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Determining Which Variables Drive Group Differences After a Permutational Multivariate Analysis of Variance With a Post-Hoc Means Separation Test
I have a data frame with several different columns of variables (there are categorical predictor variables and several different numeric response variables). I've done a permutational multivariate ...
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26
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Which statistical test - which sample is driving differences
I'm assessing whether the relative abundance of bacterial communities are different across two treatments.
I have a control (n=3), a food compost treatment (n=3) and a biosolid compost treatment (n=3) ...
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1
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134
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Am I (reviewer) correct or is the researcher correct re: Bonferroni?
I've been asked to review an article for a low-tier journal, such that I am the only reviewer with stats knowledge (such as it is; I used to teach stats and advanced stats, but it's been a few years ...
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1
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0
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372
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Multiple post-hoc tests after Multivariate GLM/MANCOVA
I have three groups, where I am doing a multivariate GLM/MANCOVA to test for multivariate differences between groups (6 DVs), adjusting for 2 covariates. I would like to do post-hoc tests to see which ...
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12
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What type of analysis to do for Dissertation- EMOTION RECOGNITION
In my study, participants take part in the State Trait Anxiety Inventory (STAI) where they are ranked into high or low trait anxiety groups.
Participants are then shown multiple videos of 7 different ...
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1
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1
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1k
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Three-way mixed design ANOVA or two two-way mixed design ANOVAs?
I am desperately hoping for your quick help...
Would you please cross-validate ;) my statistical proceedure and help me solve a huge problem (see c)??
So imagine there is an experiment to test a ...
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1
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0
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538
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Complex Factorial Manova in R/SPSS
Hello I have been struggling for many days with this problem. The situation and data set are following. The data set comes from an experiment that asked subjects (ID) to compare several CVs on ...
- 225
7
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1
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2k
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Does summary.aov() of MANOVA object adjust for multiple comparisons?
I performed a MANOVA analysis in R, testing if two populations differ based on their multivariate phenotype, comprising 16 measurements. I then used the summary.aov() function on the MANOVA model to ...
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6
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1
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5k
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MANOVA multiple comparisons with equivalence testing
For a MANOVA with $n$ variables, I would like to do pairwise comparisons between $k$ levels for one of the variables.
What is the suitable method to adopt for ...
- 477
4
votes
1
answer
9k
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How to follow up a factorial MANOVA with discriminant analysis?
This is a follow-up to to my previous question: How can MANOVA report a significant difference when none of the univariate ANOVAs reaches significance?
I have two IVs with each having three levels ...
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13
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2
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43k
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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 ...
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2
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0
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153
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MANOVA vs repeated measues ANOVA example
I have the following situation (4 independent treatment groups, each group is tested for 3 dependent variables) and was wondering what would be the best to do:
What is the best test to do? I have ...
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2
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2k
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What is the difference between univariate post-hoc tests after MANOVA and usual ANOVAs?
When I run a $2 \times 4 \times 5 \times 6$ (Sex $\times$ AgeGroup $\times$ HighestDegree $\times$ Ethnicity) MANOVA (with 20 dependent variables) in SPSS, it presents tests of between subjects ...
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