Answer each of the following three questions:

1. Given the problems in identifying the precise causal relationship between variables in a correlational study, provide two reasons why correlational studies are nonetheless frequently used in psychological research.
2. Given people's tendency to be less than truthful in survey/interview research, provide two reasons why survey research is nonetheless frequently used in psychology.
3. Given the problems with possibly unequal comparison groups and "demand characteristics" in experiments, provide two reasons why psychologists continue to do experiments.