A repeated-measures study uses a total of n = 10 participants to compare two treatment conditions. How many scores are measured in this study, and how many scores are actually used to compute the sample mean and the sample variance?
a. 20 measured and 10 used c. 10 measured and 10 used
b. 20 measured and 20 used d. 10 measured and 20 used
Question 2
A researcher plans to conduct a research study comparing two treatment conditions with a total of 20 participants. Which of the following designs would produce 20 scores in each treatment?
a. An independent-measures design
b. A repeated-measures design
c. A matched-subjects design
d. All of the other options would produce 20 scores in each treatment.