# Tagged Questions

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### Linear/Non-linear Regression - SPSS

Hopefully somebody will be able to shed some light on my SPSS problems! I have been given 65 values. 57 of these data values are quarterly results and 8 are the holdback data to be used. I have to ...
360 views

### Replicate ANOVA with linear mixed model in SPSS

I am trying to replicate a mixed ANOVA using a mixed model, but the mixed model is giving me different results. I'd like to know why, and how to get them to give the same results, assuming this is ...
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### How do I set up a single continuous independent variable for a repeated measures linear model?

I'm doing an education study and I'm trying to see the effect of website usage on quiz scores in a class of college students. There were 30 students in the class and they took 10 weekly quizzes over ...
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### Repeated measures ANOVA: Mauchly's test undefined

I'm doing a two-way between-within ANOVA in SPSS. I have two groups with 9 subjects each (so total = 18), and 24 levels of one repeated measure. I understand why Mauchly's test of Sphericity has no ...
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### Linear mixed model estimated means

I am trying to determine how to get SPSS (19.0) to give out estimated means for my interaction. To preface, my analysis has 3 groups (group a, b and c) and each ...
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### To find significant differences between means using repeated measures GLM

I am new in using SPSS and stuck with General Linear Model [which is just linear model] procedure. I have 8 cognition variables like latency, thigmotaxis, spatial, quadrant, nt quadrant, proximity, ...
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### What terms should I include in a linear regression model?

Consider the following OLS output. My question is: If you have to define a linear equation from the regression, do you then only include significant variables? If so, the equation according to the ...
3k views

### Significant interaction between covariate and factor in SPSS GLM

In testing gender difference on the relationship between variable A and B, A is the covariate (or independent variable) B is the dependent variable Gender is the factor As I understand it, if ...
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### General linear model with interaction term in SPSS

Following my question here, I will be most grateful for further assistance to clear my confusion. The confusion is because I have read in many places that when you use ANCOVA in GLM (in SPSS), the ...
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### Explanation of “covariate” in general linear model in SPSS

I am completing a project for a client using general linear model (GLM command) in SPSS/PASW (Ver. 17) Basically, the project is designed to find out if factors such as gender and age affect the ...