Social Studies, 11.04.2020 02:53 Lingz
Dr. Harrison wants to test the effectiveness of the support group he runs for undergraduates who have drinking problems. He recruits a group of students who have been referred to the counseling center. He randomizes them to two groups: a structured-session group and an unstructured-session group. The structured-session group attends 10 structured support-group sessions at 8:00 a. m. on Fridays that are facilitated by Dr. Harrison. The unstructured-session group attends 10 unstructured meetings at 3:00 p. m. on Wednesdays that are facilitated by members of the group. Several of the participants in the structured-session group stop attending after just a couple of sessions. All the members of the unstructured-session group attend their meeting regularly. At the end of the 10 weeks, Dr. Harrison measures drinking behavior of the people who are still attending the groups. He finds the drinking behavior of people who attended all 10 structured-group sessions is less than the drinking behavior of people who attended all 10 unstructured-group sessions. Which kind of threat to internal validity should Dr. Harrison be concerned about?
Answers: 2
Social Studies, 21.06.2019 21:30
What is meant by a symmetrical unimodal distribution? a. a distribution is the frequency at which a certain value of a variable is obtained during a study. a symmetric unimodal distribution is a distribution where there is one value with a larger frequency than any other and the pattern of frequencies on the left and right of this larger frequency are mirror images of each other. b. a distribution is a pattern of frequencies for the various values of a variable collected in a study. a symmetric unimodal distribution is a distribution where there is one value with a larger frequency than any other and the pattern of frequencies on the left and right of this larger frequency are mirror images of each other. c. a distribution is the frequency at which a certain value of a variable is obtained during a study. a symmetric unimodal distribution is a distribution where there is a uniform frequency, meaning the frequency of every value is same, and the pattern of frequencies on the left and right of this larger frequency are mirror images of each other.
Answers: 3
Social Studies, 22.06.2019 11:30
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Social Studies, 22.06.2019 16:00
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Social Studies, 22.06.2019 18:30
What can you conclude about the information given here ? a)juveniles must testify in court b)adults are held to a lower standard c)the state guarantees that juveniles have legal rights much like those of adults d) punishment for juveniles violators are much more strict than those for adults
Answers: 1
Dr. Harrison wants to test the effectiveness of the support group he runs for undergraduates who hav...
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