If a = 3, then the null hypothesis would be ______.
A. H0:?1 = ?2
B. H0:?1 = ?2 = ?3
C. H0:?2 = ?3
D. H0:?1 = ?2 = ?3 = ?4
Answer: B
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A longitudinal study (Connolly et al., 2013) of romantic experiences of a large multiethnic group found that "early starters" __________.
A. skipped the preliminary customary stages in romantic activities to become dating couples B. had the longest-lasting relationships C. went through all of the preliminary customary stages in romantic activities at an earlier point in time because they were more emotionally mature D. formed couples in late adolescence
If a researcher reported for a correlated-groups t test that t(18) = 2.90, p < .01, how many subjects were there in the study?
a. 18 b. 20 c. 17 d. 19
When food distends the duodenum, the duodenum releases which hormone?
a. CCK b. aldosterone c. angiotensin II d. prolactin
Connie's therapist attempts to replace the misconceptions and sexual myths that Connie has learned since childhood with accurate information about sexual anatomy and feelings. Which component of psychological treatment is the therapist using?
a. anxiety reduction b. education c. communication training d. graded tasks