# Tagged Questions

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### MANOVA multivariate normality

I'm running some analysis of student data and I'm having some questions regarding multivariate normality assumption of MANOVA. Should it be done using values of dependent variables or their residuals? ...
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### Two independent groups and three dependent variables

How do I test for differences between two groups on three dependent variables? Is that an ANOVA or multiple t-tests with an adjusted alpha level?
39 views

### A construct as an independent variable?

I know that you can have a construct as a dependent variable: MANOVA or MANCOVA. Is it possible for me to have a construct as an independent variable? I have a construct that consists of 3 variables ...
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### Two IVs (schools) and 3 IVs (grade levels in each) where there are 2 DVs (math and reading scores)

Is MANOVA the correct test? I am looking at 3 grade levels in each of the two middle schools. I want to compare the standardized scores (reading and math) of students in each grade level to the same ...
245 views

### Is there a generalization of Pillai trace and the Hotelling-Lawley trace?

In the setting of multivariate multiple regression (vector regressor and regressand), the four major tests for the general hypothesis (Wilk's Lambda, Pillai-Bartlett, Hotelling-Lawley, and Roy's ...
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### Two DV's in a 2x2 factorial experiment

I'm trying to investigate the effect on (a) tear resistance and (b) gloss of a piece of film due to additive and extrusion method. I can see that the best results for tear resistance is low additive ...
1k views

### Multiple dependent variables in factorial design

I have a 2x2x2 factorial design with two dependent variables (lets say height and weight). I can examine the effect of the three factors for each dependent variable separately. But I also want to ...
542 views

### Understanding MANOVA in case of a single predictor

I'm trying to understand the statistical analysis I saw in a clinical study. They measured performance of 3 groups of subjects with a series of performance measures (A, B, C, ..., N). The objective ...
147 views

### Dealing with nuisance variables in a MANOVA situation

I have a study in which participants facebook profiles were rated by a group of students. The participants were then randomly allocated into one of three groups: the uncertain condition (where they ...
5k views

### 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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### Is MANOVA the correct way to handle multiple response variables that are additive?

Context: I am trying to analyze an experiment on plant community response to two treatments. Here’s a simplified description of the experiment, there are a few extra complications in reality. ...