Question

Why do psychologists conduct twin studies? What is the major

benefit of this?
Answer in one to two complete sentences.

Answer 1

Its to make sure that the results are reliable.

If you make only one test, the person could have messed up so if there is a twin test, you know something is screwed up in the results so they know the try again and make sure they don't skrew up again.

Step-by-step explanation: