Psychologists use a systematic method in research in order to eliminate subjectivity and allow for consistency across studies. This is to ensure that data is tested and recorded in the most objective way possible as well as ensure that psychologists are defining and measuring psychological concepts and behaviors in the same way.
Generally it can either be ones feelings about oneself or ones past experiences, usually the two link in some way
Answer:
Because it can still cause harm or wrecks even though they are perscribed with it.
Explanation: