Thank you so much for your reply. So just to be clear I need to do:
DummyLike: Like = 1; Dislike = 0; Neutral = 0
DummyDislike: Like = 0; Dislike = 1; Neutral = 0
And then entere DummyLike and DummyDislike as 2 covariates?
Thank you for your suggestion on doing an ANOVA with...
1 continuous DV (current preference)
1 categorical IV (gender)
1 categorical covariate (previous preference: 1= like; 2= dislike; 3= neutral)
How do I dummy code the covariate in spss?
I don’t want to do a regression and/or use the covariate as a factor.
Is the following dummy...