A researcher obtains t(20) = 2.00 and MD = 9 for a repeated-measures study. If the researcher measures effect size using the percentage of variance accounted for, what value will be obtained for r2?
a. 9/20 c. 4/13
b. 9/29 d. 4/24
D
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Snyder and colleagues (1977) ran a study in which mixed-gender pairs had a phone conversation. Male participants were given either an attractive or unattractive photo of their conversation partner. Which statement about the study findings is false? a. Men were friendlier toward the partners who they believed to be attractive. b. The outcome of the conversation was more influenced by the
women's actual level of attractiveness than byhow attractive the men believed the women to be. c. Men formed more positive impressions of the personality of women who they believed to be attractive. d. Women talking with men who believed they were attractive were actually warmer and more confident duringthe conversation.
Which of the following pairings of disorder and treatment is correct?
a. cingulotomy: bipolar disorder b. Xanax: anxiety disorder c. lithium: specific phobia disorder d. Prozac: schizophrenia