Answer:
a. the Hawthorne effect.
b. a self-fulfilling prophecy.
c. a contrast effect.
d. entrapment.
The answer is b. a self-fulfilling prophecy.
Step-by-step explanation:
Self-fulfilling prophecy is a prediction that causes itself to be true due to the behavior which involves the act of predicting it by the believer.
It is also based on the ability of a person usually an interviewer to make evaluation of an individual by pre-noticing and interpreting outcomes before actually relating with the individual.
Barney already had the original assumption about the applicant validated and the interview confirmed it.