Questions tagged [manova]
Multivariate ANalysis Of VAriance (MANOVA) is a generalization of ANOVA for the case with several dependent variables.
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How to interpret type I, type II, and type III ANOVA and MANOVA?
My primary question is how to interpret the output (coefficients, F, P) when conducting a Type I (sequential) ANOVA?
My specific research problem is a bit more complex, so I will break my example ...
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Multivariate multiple regression in R
I have 2 dependent variables (DVs) each of whose score may be influenced by the set of 7 independent variables (IVs). DVs are continuous, while the set of IVs consists of a mix of continuous and ...
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Differences between MANOVA and Repeated Measures ANOVA?
What is the difference between a repeated measures ANOVA over some factor (say experimental condition) and a MANOVA?
In particular one website I stumbled across suggested that MANOVA does not make the ...
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T-tests, manova or logistic regression - how to compare two groups?
I'd like to check whether women and men differ on those five variables, that can be correlated with each other. The groups are also not equal with 589 females and 293 males.
The solutions that come to ...
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How is MANOVA related to LDA?
In several places I saw a claim that MANOVA is like ANOVA plus linear discriminant analysis (LDA), but it was always made in a hand-waving sort of way. I would like to know what exactly it is supposed ...
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A non-parametric repeated-measures multi-way Anova in R?
The following question is one of those holy grails for me for some time now, I hope someone might be able to offer a good advice.
I wish to perform a non-parametric repeated measures multiway anova ...
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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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How can MANOVA report a significant difference when none of the univariate ANOVAs reaches significance?
I would just like to ask if it is normal for the values from my multivariate tests to be significant but for the values from my univariate tests of between-subjects effects table to be insignificant.
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Why is Pillai's trace equal to partial eta squared in a repeated measures MANOVA (profile analysis)?
I conducted a repeated measures MANOVA using the GLM command in SPSS, with one between-subjects IV (two levels) and 10 DVs (repeated measures). According to Tabachnick and Fidell (Book: Using ...
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Assessing group differences on multiple outcomes
I have one independent variable with two levels: Gender (Male and Female),
and dependent variables will be composed of three test scores: Impulsivity, Assertiveness, and Social Desirability.
My ...
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Does one need to adjust for multiple comparisons when using MANOVA?
There are 10 dependent variables and 2 groups. When I wanted to compare 10 dependent variables between two groups, I performed MANOVA.
I wonder if there is a multiple comparison problem in that case. ...
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When is MANOVA most useful
I see that if one has multiple dependent variables, one can analyze them together with MANOVA. Following are results of MANOVA on commonly used iris dataset:
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The way PERMANOVA handling continuous explanatory variable
I have read some tutorials which explain the mechanism behind PERMANOVA, e.g., enter link description here. Based on the tutorials, my understanding is PERMANOVA can only handle categorical ...
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Why is it possible to have a non-significant MANOVA but multiple significant univariate ANOVAs?
The only source I have for this being possible is this wikiversity page on MANOVA, but it does not explain why it is possible.
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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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