Sean knows a lot about racial tensions in public schools. He wants to conduct a quantitative study that examines the current state of affairs in public schools. He contacts two school districts that he identified, one has a history of problems and one does not. He randomly selects students from these schools to participate in his study. Sean used
a. convenience sampling.
b. purposive sampling.
c. quota sampling.
d. multistage sampling.
b
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The t-test for independent means is used when each group is tested _______.
a. only once b. only twice c. once or twice d. any number of times
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A hall monitor asks Jon to walk down the hall slowly 10 times after catching him running down the hall to the cafeteria. This is an example of overcorrection
a. True b. False
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Community-based social services workers, such as family therapists and welfare counselors, are part of a child’s ______.
a. exosystem b. chronosystem c. microsystem d. macrosystem
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Research shows that posting your résumé online is more effective for job hunting than personal networking
Indicate whether the statement is true or false
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