I am doing my homework and I need help. I'm having a hard time figuring it out. Could you please please help me! Scenario A: The manager at Dunder-Mifflin Paper Company interested in understanding how a four day work week will influence employee productivity. He decides to implement a four day work week at Dunder-Mifflin and then he compare employee productivity at his company with the productivity of the employees at a different paper company that has a traditional 5 day work week. Q1: What is the independent variable for Scenario A? How many levels are there for this IV? Q2: What is the dependent variable Q3: What is the confound Scenario B: The state enacts a new driving policy in which teenagers under the age of 18 are only allowed to drive with one other teenager in the car at a time. A researcher wants to examine whether the number of car accidents among teenagers decreased after the policy was implemented. She compares the number of teen-driver accidents over the course of the year before the policy was implemented in 2019 and the year after the policy went into place in 2020. They find that teen accidents decreased significantly in the year after the policy went into place. Q1: What is the independent variable? Q2: How many levels are there for the independent variable? Q3: What is the dependent variable? Q4: What is the confound? Scenario C: A fitness instructor is interested in studying whether their new protein drink will influence endurance. They have their 8am spin class participants drink the new protein drink before class, their 3pm spin class participants drink only water before class, and their 10pm spin class participants drink a competitor's protein drink. They find that the participants who drank the new protein drink demonstrated better endurance during their workout than the other two classes. Q1: What is the independent variable? Q2: How many levels are there for the independent variable? Q3: What is the dependent variable? Q4: What is the confound