In order to eliminate the third-variable problem in correlational research, which of the following techniques can a researcher employ?

Describe the role of heredity and environment of violent behavior.

What will be an ideal response?

Why do some memory researchers try to implant false memories in research subjects?

A. By inducing memory errors in a laboratory, they hope to learn how to avoid memory errors in real life. B. By inducing memory errors in a laboratory, they hope to prove that social science research can make people more ethical. C. Implanting false memories in research subjects helps to reveal the mechanisms of Alzheimer's disease. D. Implanting false memories in research subjects reveals which research subjects are truthful in real life.