Scenario C. A new vitamin supplement was advertised to increase concentration and memory ability. The company decides to test this claim so that they can strengthen their advertisements. They recruit a sample of customers and compare the memory ability of participants that have reported taking the new supplement to those who have reported that they do not take the supplement and finds that those who reported taking the supplement had better memory than those who did not.
1. What is the independent variable for Scenario C?
2. How many levels are there for the independent variable in Scenario C?
Group of answer choices
Three
Four
One
Two
3. What is the dependent variable for Scenario C?
4. What is the confound for Scenario C (you may list more than one, but you must give at least one!).
5. How could the confound be fixed in Scenario C? Be sure to tell me what technique you are using (constancy, repeated measures, randomization, elimination, or balancing), as well as how you would apply that technique to this specific scenario, and how that would fix this confound.