A psychologist is interested to know which of two sorting techniques leads to better memory performance in 6-year-olds. Each participant first sorts a set of pictures any way he or she likes. Recall is then tested. After this, each participant is required to sort an equivalent set of pictures into five predetermined categories. Recall for the items in this step is then tested. What procedure does this study represent?
A)Matched random assignment
B)Repeated measures
C)Simple random assignment
D)Combined measures

Question

Quizplus · Accepted Answer

This study represents a repeated measures design because each participant is being tested twice, once after sorting the pictures any way they like and then again after sorting the pictures into five predetermined categories. The researcher is interested in comparing the memory performance under different conditions for the same group of participants.

A Psychologist Is Interested to Know Which of Two Sorting