A researcher is interested in whether high school students who play sports have a higher or lower body mass index (BMI) than students in the general population. The researcher is unsure whether playing sports will decrease body mass (due to more calories burned) or increase body mass (due to more muscle mass). He compares their average body mass index to that of students in the general population
and finds that zobt = +1.92 . This is a _____ test and the researcher should conclude _____.
a. one-tailed; that students who are athletes have significantly higher BMIs
b. two-tailed; that students who are athletes have significantly higher BMIs
c. one-tailed; that students who are athletes do not have significantly higher BMIs
d. two-tailed; that students who are athletes do not have significantly higher BMIs
d
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When psychologists began performing psychotherapy following World War II, they came into competition with:?
a. ?psychiatrists b. ?religious leaders c. ?applied psychologists d. ?social workers
Fraternities often have a strict power hierarchy including pledges, members, officers, and the president. An organization such as this where inequality is valued could also be known as a ____________ power distance culture
a. high b. low c. moderate d. necessary
In terms of language acquisition, what is under extension?
A. When children begin to utter two-word sentences before the developmental age of 20–26 months. B. When children begin to utter two-word sentences after the developmental age of 20–26 months. C. When a child inappropriately restricts the use of a word to a particular case. D. When a child uses one word to symbolize all manner of similar instances.
__________ is an inferential test that allows the researcher to examine differences among means when two or more dependent variables are measured simultaneously
a. ANOVA b. MANOVA c. Pearson r d. Meta-analysis