23. According to the matrix below, which of the following is true? a. There is n

Question

23. According to the matrix below, which of the following is true? a. There is no effect of having an obese friend (yes/no) on weight. b. There is a main effect of having grown up with an overweight parent (yes/no) on weight. c. There is an interaction effect on weight, but no main effects of either independent variable. d. There is a main effect for each variable (obese friend- y/n; overweight parent- y/n) but no interaction effect DV = Weight (in pounds) Overweight parent yes no 145137141 (R1 mean) 125 yes Obese friend no 121 (R2 mean) 135 127 (C2 mean) (C1 mean) 24. Which of the following statistical test would you use to determine the results of a 2x2x3 multfactorial experiment, assuming that all of the variables are indenendent variahlac and n-

Explanation / Answer

Question 23 .

HEre interaction ratio = ad/bc = (145 * 117)/ (125 * 137) = 0.99

so it is very close to 1. so we can see that there is no interacion between variables.

So, Option D is correct here as there is a main effect for each variable (as obese friend is yes then high weight , overweight parent than yes too) but no interaction effect.

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