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NeF
NeF
Level III

MANCOVA in JMP

Created: Jul 3, 2018 09:29 AM  |  Last Modified: Jul 3, 2018 6:30 AM (3277 views)

Hi, 

I am a new user of JMP and I've just started to learn how to perform MANOVA. However, I am not sure I understand how to perform MANCOVA with JMP. 

I am trying to show the difference between the control and the experiment group is significant. 

The independent variable have 4 levels

I have one dependent variable which is the response time.

The covariate is the pre-test scores. 

any suggestions on how to do this in JMP

thanks

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1 REPLY 1
cwillden
Super User (Alumni) cwillden
Super User (Alumni)

Re: MANCOVA in JMP

Jul 3, 2018 01:45 PM (3257 views)  |  Posted in reply to message from NeF 07-03-2018

Just a quick clarification: if you have just 1 response, it's just regular ANCOVA or ANOVA.  The "M" is for "Multivariate" which specifically means multiple response variables.  The distinction is important because you would use a different platform.

You can use Fit Model for the analysis.  Include the main effects for your independent variable and the covariate in the model.  Including the interaction between those factors will allow you to test if the slope for pre-tests scores is consistent across the different levels of your categorical factor.

-- Cameron Willden