A researcher is using a repeated-measures design to test for mean differences among four treatment conditions.If the data for this study consist of 10 scores in each treatment,then how many subjects participated in the study?
A)4
B)10
C)40
D)50

Question

A researcher is using a repeated-measures design to test for mean differences among four treatment conditions.If the data for this study consist of 10 scores in each treatment,then how many subjects participated in the study?​
A)​4
B)​10
C)​40
D)​50

Quizplus · Accepted Answer

In a repeated-measures design, the same subjects are used in all treatment conditions. Since there are 10 scores in each treatment and these scores come from the same subjects across all four treatments, it means that there are 10 subjects in total who participated in the study.

A Researcher Is Using a Repeated-Measures Design to Test for Mean