Hi all,

I am looking into whether executive function ability has an impact on success at olfactory recall. I have a within subjects design, where participants first smelled scents alongside a visual encoding stimuli, and then again with a verbal and visual code. 

I want to see whether there is a relationship between the the EF condition and the overall success of identification of smells, but I can only seem to regress one at a time in SPSS. 

I can't find a way to show that the visual/visual-verbal conditions are two levels of one independent variable without losing the scores themselves.

Also, with the risk of sounding stupid, I am not quite sure what my DV should be - I am measuring the scores in each of the conditions so it would make sense that these are the DVs but then I cannot perform regression on them together, nor can I formulate the chart showing possible main effects/interactions.

Any help would be much appreciated.

Thanks,

Rebecca

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