Interpreting Correlational Evidence Interpreting Correlational Evidence 1. You can determine the effect of a treatment by using a correlational study. True False 2. The more one eats, the more one weighs describes a negative correlation positive correlation 3. The less one eats, the less one weighs describes a negative correlation positive correlation 4.
People taking a certain drug tend to be more depressed than the average person.
Therefore, we can conclude nothing about the effect of the drug that the drug causes depression.