Judging a candidate on the basis of one or two favorable characteristics is known as:

A) the "halo effect"

c. "like me" syndrome

B) the "horn effect"

d. premature selection

The answer is A.

Judging a candidate on the basis of one or two characteristic is known as The halo effect.

Actually, not only candidates, it also apply when you judge a company, a product, a brand, etc.

For example if a man can cook one amazing dish. The halo effect will make you assume the he can cook another excellent dish.