2. According to CUNY Office of Institutional Research and Assessment (OIRA), in
ID: 3357054 • Letter: 2
Question
2. According to CUNY Office of Institutional Research and Assessment (OIRA), in fall 2016, 690 students entered Lehman College as first-time freshmen and 2,119 entered Lehman College as undergraduate transfers. A psychology researcher at Lehman is interested in studying whether first-time freshmen students adjust faster to the Lehman college environment than transfer students do. Can she use random sampling to select her participants? Why? Can she use randon assignment in her study? Why? (6 points)Explanation / Answer
No, she can't use random sampling to select her participants since we need to compare the adjustment level of first - time freshmen students and transfer students. We have to do stratified sampling in this case.
Yes, she can use random assignment in her study by choosing randomly students among the groups of first - time freshmen students and transfer students but first, grouping is necessary so that she can get data from both the groups and can able to compare the results.
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