1. Identifying related samples Aa Aa E For each of the following research scenarios, decide whether the design uses a related sample. If the design uses a related sample, identify whether it uses matched subjects or repeated measures. (Note: Researchers can match subjects by matching particular characteristics, or, in some cases, matched subjects are naturally paired, such as siblings or married couples.) John Cacioppo was interested in possible mechanisms by which loneliness may have deleterious effects on health. He compared the sleep quality of a random sample of lonely people to the sleep quality of a random sample of nonlonely people. The design described You are interested in whether husbands or wives care more about how clean their cars are. You collect a random sample of 100 married couples and collect ratings from each partner, indicating the importance each places on car cleanliness. You want to know if the husbands ratings tend to be different than the wives ratings The design described