Question 12 (3 points) Sarah is examining the effecet of fishing lures\' color (

Question

Question 12 (3 points) Sarah is examining the effecet of fishing lures' color (red or blue) and size (small, medium, or large) on their effectiveness to catch fish. She finds that she catches significantly more fish with red lures than blue lures, but size alone does not seem to matter. However, she also notices that she catches disproportionately more fish when the red lures are small. Which of the following statements below is true? There is a main effect for size but not color, and there is no interaction effet between color and size There is a There is a main effect for color but not size, and there is an interaction effect between color and size There is a main effect for color but not size, and there is no interaction effect between color and size There is a main effecet for both color and size, and there is an interaction effect between color and size There is a main effect for size but not color, and there is an interaction effect between color and size

Explanation / Answer

Note: This response is in UK English, please paste the response to MS Word and you should be able to spot discrepancies easily.

(Answer) (D) This is because Sarah notices that the size of the lure alone doesn’t matter. She notices that even though red is effective, it becomes more effective when she uses small, red lures. This means that colour and size are equally to be considered. Since both criteria are effective when they are simultaneous, it is an interaction effect.

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