Questions tagged [mancova]
The mancova tag has no usage guidance.
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For a MANCOVA or MANOVA, is it true that "the pattern of group differences expected for all of the dependent variables is in the same direction?"
I'm considering performing a MANCOVA for a project, and during my research I came across a statement that gave me pause, quoted in the question title. You can find the statement in the middle of the ...
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Is Multiple Comparison Correction necessary for multiple ANCOVA tests
I'm working on fMRI data comparing brain activation from ten different brain areas across three groups after controlling for covariates such as age, sex, disease severity. I built an ANCOVA model with ...
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Multiple IVs and DVs with non-normally distributed data
I am performing a research study aiming at answering the research question:
How does job design satisfaction differ between employees working in hybrid and remote work arrangements?
For that I ...
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130
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Can we perform a MANCOVA for paired data?
I have data for a cross-over randomized controlled trial. I wonder if I can use MANCOVA to compare my outcomes (they are continuous) while having paired data. If I can't, what would be an appropriate ...
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Follow up to MANCOVA and any possible alternative analyses
In my research, I have two categorical IVs and a DV:
A factor with 4 levels (mindset, encompassing 4 mindsets)
A factor with 2 levels (condition, encompassing 2 conditions)
A DV which is a composite ...
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Help deciding on a statistical test to analyze results of a survey
I created a survey to measure student perspectives on different subjects in Higher Education. In the survey, the students are asked what subjects they have experience with, and they will only be asked ...
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119
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Pairwise comparison for interaction effect using Repeated Measures Mancova
I am using a Repeated Measures Mancova with 4 factors, each one with 8 groups. I also included 3 covariates in the analysis. I discovered there was a significant difference between at least two ...
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MANCOVA Model in R
I want to investigate the impact of marital status on the perceived sense of meaningfulness in people's live and control for gender and age.
So I have 6 different groups for marital status and an ...
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132
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Statistical relation between mutually exclusive variables
I am quite green at Statistics.Thank you so much in advace for any help you can offer.
My doubt comes from this situation:
You have a set of behavioral data, with several possible behaviors and a ...
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134
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Calculating risk difference with covariate
How do I calculate a risk difference for a binary outcome that takes into account a covariate? I want to compare accuracy of a skilled and unskilled tester at detecting 7 different types of tumors. ...
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Suitability of one-way repeated measures MANOVA
I'm undertaking a research study where I want to look at the difference between the value of a variable before and after an intervention. I've been suggested the one-way repeated measures MANOVA ...
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Box's M fewer than two nonsingular cell covariance matrices
would appreciate some help with the following problem.
While running a MANCOVA i received the following error message from SPSS: " Box's Test of quality of Covariance Matrices is not computed ...
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132
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No significance in the multivariate tests
Hope this question is not too stupid. I haven't taken the MANOVA course yet, but I need to figure out a problem right now. I am running a mix-model MANCOVA on SPSS.
I have no significance in the ...
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two-way MANCOVA with two covariates in SPSS
I am running a two-way MANCOVA which needs to be adjusted by two covariates. Problem is, I am not entirely sure whether I clarified all assumptions correctly and how to finally deal with two ...
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How would you do a moderation analysis?
I'm currently analysing data on an experiment I have run in connection to my BA thesis, but as I'm not that statistically strong, I have run into difficulties and I hope you will be able to help.
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