Scenario 1: In addition to the data collected from the electronic survey sent to the students at the university (Module 4), the students were asked to rate their overall approval of the university on a scale of 1 to 10 (1 = Strongly Disapprove, 10 = Strongly Approve). After selecting their approval ratings, the students were then instructed to read a list of new policies that the university plans to implement for the next semester. After reading the policy changes, the students were asked to provide another approval rating of the university. The researchers want to know if the new policies change the approval ratings of the university. a. To answer this research question, which t-test should be conducted? How many tails? b. What is the independent (manipulated) variable? c. What would the dependent (measured) variable be? d. Once you have conducted the appropriate t-test, report your findings in APA format. What does the result mean? e. Interpret the effect size