Decreasing the number of chapters covered on exams

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Dr. Taylor is interested in finding out if decreasing the number of chapters covered on exams increases her students' success on unit exams. During previous terms three to four chapters were utilized, so she wanted to compare the average score on the exam from Fall 2018 (M = 75, s = 10) to average for Spring 2019 to see if there was a difference. What type of research is this an example? What is the independent variable? What is the dependent variable? What level of measurement is occurring, explain why you think so.

Reference no: EM132367372

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