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Question: read the scenario and answer the question a researcher plans...

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Read the scenario and answer the question- A researcher plans to do an experiment in the college setting concerning the effects of class size on attendance in a first year law course. He has four levels of size, namely, 15, 25, 40, and 60 students. Four colleges are involved in the study, each having eight first-year law classes, two of each class size. The researcher can assign students at random to a class within a college, but he cannot assign students randomly to a college. Two law professors are used in each college. All professors teach four classes; the dependent variable is grades measured after one semester. Discuss the problems of control in this situation. Consider possible uncontrolled variables and variables that are or might be controlled. Is there a possibility of confounding of variables in this research situation? State one or more hypotheses for this experiment.

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