Answer: The correct answer is A. Court have upheld the legality of psychological screening of police candidate.
A method of procedure that has characterized natural science since the 17th century, consisting in systematic observation, measurement, and experiment, and the formulation, testing, and modification of hypotheses.
Help on psychology, what?
A, B, and C are true so that would leave D as your answer.
Answer:
It could affect the way we face certain problems.
There will always be problems with the mixing of community.