Choice Task based on Rating (one session)
I am wondering what would be the best way to program an experiment in which choices are matched based on previous ratings (slider).
I have created a task in which food images are rated based on perceived health and taste using a slider (as posted in another discussion). From this I have the variables var.taste and var.health.
In the second part, the choice task, I would like to match the food images such that half the items are less tasty and more healthy and the other half is random. This way the choices each participant has to make are customised to their idiosyncratic preferences. Additional complexities: besides the food images there will be nutritional-score images which are linked to the food images and should be displayed.
Cheers for your input :-)!