Four students were sent to the vice principal's office for cutting class. after suspending the first three, the vice principal faced goodie twoshoes, an a student who never got in trouble. when the vice principal saw who the fourth student was, he immediately said, "this must be a mistake. you never do anything wrong. go back to class." this is an example of:

Halo effects

Explanation:

Halo effects:

It is cognitive bias in which our overall influence affects how we feel, how we think about his character. Overall your impression can impact your overall evaluation. It is also called a physical attractiveness stereotype and what is a beautiful or good principle. It is a habitual tendency for people to rate the tendency of attractive people more than less attractive people. Halo effects are more used in the more general sense, to describe, the global impact of the likable personality or some specific desirable traits. It creates a biased judgment of the target person on any dimension. Thus it is the feeling of generally overcome cognition's when we appraise others.

this question does't support enough resioning to answer.

i have to go with a for this one