Historically, if a mother could not or did not want to breast-feed she might have used a(n) ____

Some epidemiological studies, using instruments like the Dissociative Experiences Questionnaire (DEQ), have reported high rates of dissociative symptoms, but these studies are viewed skeptically because

a. dissociative symptoms cannot be measured based on self-reports. b. the symptoms measured by the DEQ are far less dramatic than those found in dissociative disorders. c. there is no agreement as to what dissociative symptoms should be measured. d. people with real dissociative disorders are not able to complete the DEQ.

With t-tests, the greater the number of degrees of freedom, the higher the critical value and the less the power.

a. true b. false