1. You can determine the effect of a treatment by using a correlational study.
2. The more one eats, the more one weighs describes a
3. The less one eats, the less one weighs describes a
4. A -.2 correlation indicates a stronger relationship than a + .1 correlation coefficient
5. People taking a certain drug tend to be more depressed than the average person. Therefore, we can conclude
6. If members of a certain cult do worse in school than other students we can conclude