2. State the total number of groups for each of the following examples of a two-

Question

2. State the total number of groups for each of the following examples of a two-way between subjects ANOVA:

(a) A psychologist administers a small, medium, or large dose of a drug to a sample of mice (Factor A: drug dose) and measures reward seeking behavior in three experimental trials. (Factor B: trials). •

(b) An industrial organizational psychologist measures the GPA among men and women graduate students (Factor A: gender) with low, medium, or high leadership potential (Factor B: leadership potential).

Explanation / Answer

(a) A psychologist administers a small, medium, or large dose of a drug to a sample of mice (Factor A: drug dose) and measures reward seeking behavior in three experimental trials. (Factor B: trials).

Ans: In this question Factor A has 3 groups and Factor B has 3. Therefore, total groups is 6.

(b) An industrial organizational psychologist measures the GPA among men and women graduate students (Factor A: gender) with low, medium, or high leadership potential (Factor B: leadership potential).

Similarly, in this question Factor A has 2 groups and Factor B has 3. Therefore, total groups is 5.

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