Study 1

Answer each question in around 2-3 sentences

https://www.youtube.com/watch?v=mLASrOujkGw

1. What is the independent variable? Why is it the independent variable?
2. What is the dependent variable? Why is it the independent variable?
3. What confounding variable(s) has been ignored, and how might that affect the conclusions? In other words, for each study, identifies at least one likely confounding variable and explains how it is related to both the independent and dependent variables.
4. Explain how each confounding variable might distort conclusions?

Study 2

Answer each question in about 2-3 sentences

https://www.youtube.com/watch?v=g-w6XlAXhPE

1. What is the independent variable? Why is it the independent variable?
2. What is the dependent variable? Why is it the independent variable?
3. What confounding variable(s) has been ignored, and how might that affect the conclusions? In other words, for each study, identifies at least one likely confounding variable and explains how it is related to both the independent and dependent variables.
4. Explain how each confounding variable might distort conclusions?

Study 3

Answer each question in about 2-3 sentences

https://www.youtube.com/watch?v=I3F8zCS3ccU

1. What is the independent variable? Why is it the independent variable?
2. What is the dependent variable? Why is it the independent variable?
3. What confounding variable(s) has been ignored, and how might that affect the conclusions? In other words, for each study, identifies at least one likely confounding variable and explains how it is related to both the independent and dependent variables.
4. Explain how each confounding variable might distort conclusions?

Study 4

Answer each question in about 2-3 sentences

https://www.youtube.com/watch?v=4ksrXwVffoc

1. What is the independent variable? Why is it the independent variable?
2. What is the dependent variable? Why is it the independent variable?
3. What confounding variable(s) has been ignored, and how might that affect the conclusions? In other words, for each study, identifies at least one likely confounding variable and explains how it is related to both the independent and dependent variables.
4. Explain how each confounding variable might distort conclusions?