PSY 303 Lecture Notes - Lecture 23: Nutrition Facts Label, Froot Loops, Skimmed Milk
Document Summary
2x2 and 3x2 interactions: cereal and exam performance 2x2. Froot loops or grape (cid:374)uts with ski(cid:373) (cid:373)ilk or soy (cid:373)ilk". Hypothesis: when eating froot loops, type of milk will not matter. When eating grape nuts, soy milk will increase scores over skim milk. Within froot loops condition, compare mean of soy milk vs skim milk (expect no stat sig difference) And + (at end) is what first part is saying this would be the main effect. No matter what type of milk you have, grape nuts should be better scores (main effectcereal) The ++ and in the middle shows that there is a stronger effect for one than the other. Within skim milk condition, compare mean of fl vs gn (except stat sig difference. 3 x 2 interactions: participants are invited to sample potato chips, whole grain crackers and kale salad, prior to sampling participants given nutrition info, say all emeans are 26, a1=18, a2=16, a3=14.
