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5 votes
1 answer
49 views

Is Repeated Measure MANOVA appropriate here?

I have data on the yearly number of doctor visits for patients from 2020 to 2022, along with characteristics associated with these visits. During each visit, patients are asked questions about their ...
2 votes
1 answer
31 views

Which statistical test to use analyzing multivariate brain scan data (Channels, Frequency Bands, Measures)?

As a Computer Science student inexperienced in statistics, I'm looking for some advice on selecting the appropriate statistical test for my dataset. My data, derived from brain scans, is structured ...
0 votes
1 answer
253 views

Statistical analysis of amino acid profiles, quantitative vs qualitative methods?

I work on a study comparing the amino acid profile of 5 sample groups with 3 replicates in each group. This is how the data looks like except that there are 17 columns (one for each amino acid) in ...
12 votes
4 answers
26k views

MANOVA and correlations between dependent variables: how strong is too strong?

The dependent variables in a MANOVA should not be "too strongly correlated". But how strong a correlation is too strong? It would be interesting to get people's opinions on this issue. For instance, ...
1 vote
1 answer
2k views

Are my PCA groups significantly different?

I am studying the feeding behaviour of deep sea fishes, and have produced a dataset containing percentages for 20 different fatty acids (totalling 100%) for 32 individual fish. I have performed PCA (...
1 vote
1 answer
40 views

What type of Test should I conduct?

The same participants are exposed to two different screen sizes 27" (stimulus A) and screen size 9.7" (stimulus B). Independent var is "screen" with two levels - sizes. After exposure to stimulus A, ...
1 vote
0 answers
2k views

MANOVA and Multivariate Regression: Related as ANOVA and Regression?

If I wish to find the relationship between a continuous independent variable (IV) and a single continuous dependent variable (DV), I can conduct a regression (or a correlation, as there is only one IV)...
1 vote
0 answers
603 views

Multivariate repeated measures without between subject factors (Manova vs Anova)

I'm trying to run an analysis in SPSS on some EEG data, obtained with the following design: 1 within subject factor, 6 dependent outcome variables. First, I was thinking about a repeated measures ...
8 votes
1 answer
7k views

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. ...
2 votes
1 answer
12k views

How do I compare two groups by several dependent variables and get 1 p-value as a result?

Suppose I have two groups and several dependant variables. I would like to show statistically whether the two groups are different or not, based on the combination of these dependant variables. The ...
1 vote
1 answer
744 views

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?
2 votes
2 answers
8k 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 ...
4 votes
2 answers
13k views

When to interpret multivariate tests when performing repeated-measures ANCOVA?

Yesterday, I ran a repeated-measures ANCOVA. The purpose was to determine the usability of two computer systems, call them 1 and 2. Each subject completed three (conceptually different) tasks, call ...