Tagged Questions

0
votes
0answers
66 views

Interpretation of interaction effects for ANCOVA in SPSS

I am now evaluating the results of my experiment on what influences the likelihood of installing a specific application (continuous variable). I manipulated 2 factors: reputation of a provider of the ...
0
votes
1answer
117 views

Two-way ANOVA repeated measures

I would like to know, if you got a significant interaction in a two-way repeated measures ANOVA in SPSS, how can you visualize the interaction (especially using syntax)?
3
votes
1answer
277 views

Interaction in generalized linear model

I have 2 continuous variables as my predictors and the interaction between them, so 3 effects all together (when I center my predictors only the interaction is significant). I am using a binary logit ...
1
vote
0answers
174 views

Effect sizes from LMM

My question is, how to get effect sizes for a linear mixed model? I am using the following model in SPSS: ...
1
vote
0answers
141 views

Interpretation of very small GEE Interactions

I have multiple GEE models predicting learning scores from the interactions of psychophysiological data of subjects, e.g. features of Electroencephalograph (EEG), respiration, etc., in a 2 condition ...
1
vote
1answer
68 views

illustrate interaction without ANOVA, other methods?

I am wondering whether there are acceptable ways to illustrate the presence of an interaction besides using an ANOVA. I can't use an ANOVA because I have unequal sample sizes, and due to the nature ...
-1
votes
1answer
97 views

How can I change the scores to make interaction effect in two way ANOVA significant?

My question is how to make an interaction effect become significant in two-way ANOVA. If my main effect A has an F value of F(1,80)=25.5 for example, and my main effect B has an F value of ...
2
votes
1answer
231 views

Measuring the moderating effect in my analysis?

I'm trying to analyze if the volume and sentiment (valence) of tweets has an effect on the sales of a product (in my case movies). The DV is sales with IV NumberOfTweets, Valence, DaysSinceRelease. ...
1
vote
1answer
423 views

How to interpret 3-way interaction with one continuous variable in mixed model

I have problems interpreting the direction of the effects in my model. Can you help me with this? I conducted an experiment which includes between subject factor: group=2 (coded as 0-1) within ...
1
vote
2answers
2k 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 ...
0
votes
2answers
1k views

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 ...
1
vote
2answers
841 views

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 ...