Ways by which a researcher can control confounding variables in a correlational study include all of the following, except:
a. Randomization
b. Using a homogeneous sample
c. Analysis of covariance
d. Matching subjects

Which of the following statements about culture and self-esteem is the most accurate? people from western cultures are more likely to say or do things to enhance other people's self-esteem (relative to people from asian cultures). the japanese praise each other for their achievements more often than americans do. people from asian cultures generally feel worse about themselves than people from western cultures. americans utter many more self-complimentary statements during conversations (relative to japanese individuals).