An advantage of self-report questionnaires is that they are easy to administer to large numbers of participants. A disadvantage of questionnaires is that a. they cost too much. b. people do not...

An advantage of self-report questionnaires is that they are easy to administer to large numbers of participants. A disadvantage of questionnaires is that

a. they cost too much.

b. people do not always accurately report their true thoughts or feelings.

c. scoring responses is subjective.

d. they have low reliability.