Which of the following is the best description of the indepe

Which of the following is the best description of the independence assumption?

a. The distribution of sample means for interval/ratio data must be independent.

b. The scores within any condition are independent of other scores in the condition.

c. All of the scores in a study are independent of all other scores in a study.

Solution

Which of the following is the best description of the independence assumption?

a. The distribution of sample means for interval/ratio data must be independent.

b. The scores within any condition are independent of other scores in the condition.

c. All of the scores in a study are independent of all other scores in a study.

Option c is the correct answer.

The independence assumption means all observations (even in the same group) should be independent of each other.