Kathryn wants to control for intelligence in her study. she has a list of all of the participants for her study and their iq scores. she sorts the list of participants according to their iq scores and then forms groups making sure that the groups are balanced in terms of iq scores. finally, she randomly assigns each group to one of the conditions of her study. what kind of design is kathryn using?

Kathryn wants to control for intelligence in her study. She has a list of all of the participants for her study and their IQ scores. She sorts the list of participants according to their IQ scores and then forms groups making sure that the groups are balanced in terms of IQ scores. Finally, she randomly assigns each group to one of the conditions of her study. What kind of design is Kathryn using?

independent groups
concurrent measures
matched-groups
within-groups

answer is matched-group

Kathryn wants to control for intelligence in her study. she has a list of all of the participants for her study and their iq scores. she sorts the list of participants according to their iq scores and then forms groups making sure that the groups are balanced in terms of iq scores. finally, she randomly assigns each group to one of the conditions of her study. She is using matched-group design.