Or put a pork roast, 3 medium carrots peeled and cut into chunks, 1 onion quartered, 3 celery stalks rinsed and cut into crock pot with 1 cup water, salt pepper to taste. Cook on low and slow for about 6-8 hours. If you want variations you can add 2 cans ginger ale and a shot or two of port wine.
Noun. 1. interaction-a mutual or reciprocal action; interacting. action-something done (usually as opposed to something said); there were stories of murders and other unnatural actions. interplay-reciprocal action and reaction.
Interaction Effects. An interaction effect is a change in the simple main effect of one variable over levels of the second. An A X B or A BY B interaction is a change in the simple main effect of B over levels of A or the change in the simple main effect of A over levels of B. In either case the cell means cannot be modeled simply by knowing the size of the main effects.