With the graph you just drew, interpret this interaction in plain English.
In an experiment that examined the effects of food and food labels on liking, an experimenter randomly assigned participants to receive a plate of food, either pasta, steamed vegetables, seafood, or a steak. The experimenter also told participants it was either “traditional American food” or “exotic food.” Use the following APA style write-up to answer the question that follow it.
A two-way ANOVA on offensiveness suggested no main effect of type of food, F(3, 154) = 1.15, p = .346, ?2 = .009, and no main effect of food label, F(1, 154) = 0.87, p = .682, ?2 = .003. However, there was an interaction between type of food and label of food, F(3, 154) = 6.32, p = .08, ?2 = .089. Participants liked pasta more when it was supposedly exotic (M = 9.93) than when it was American (M = 5.20), p < .01, d = 0.45. Likewise, steak was liked more when it was labeled exotic (M = 9.92) than when it was labeled American (M = 4.92), p < .01, d = 0. 50. However, participants preferred steamed vegetables more when it was labeled American (M = 5.55) than when it was labeled as being exotic food (M = 2.03), p < .02, d = 0.34. There were no differences in preference for seafood when it was labeled American (M = 5.66) or exotic (M = 5.32), p = .55, d = 0.06.
Ans: People tended to like pasta and steak more when they were labeled as an “exotic” rather than an “American” food; however, they tended to like steamed vegetables more when they were labeled as an “American” food rather than an “exotic” food. The label did not affect liking of seafood.
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