If an independent-groups t test has 10 subjects in each group, then the degrees of freedom are:
a. 9.
b. 10.
c. 20.
d. 18.
d
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The most common symptom of heart attack is ______.
A. chest pain B. pain in the left arm C. shortness of breath D. lightheadedness
Which of the following is considered the most severe psychological disorder?
a. antisocial personality b. schizophrenia c. depression d. bipolar
About 1 in __________ people has some form of personality disorder
a. 2 b. 5 c. 10 d. 20
When it comes to comparing one's actual body image with the ideal body,
a. young men are just as likely to see themselves as too fat as young women. b. most young women want a body that is more "curved" than the media-encouraged ideal. c. young women often falsely believe that men prefer larger women than they actually do. d. young women are more likely to be dissatisfied than young men.