Because she believes that boys are naughtier than girls, Mrs. Vedder, a second-grade teacher, watches boys more closely than she watches girls for any signs of misbehavior. Mrs. Vedder's surveillance strategy best illustrates

Confirmation Bias

Explanation:

Confirmation bias is caused by your desire's immediate impact on convictions.

When individuals want to be true to some idea or concept, they end up thinking it is true.

It is a tendency to find, define, favor and recall information in such a manner as to assert one's previous views or hypotheses. It is a form of cognitive prejudice and an inductive reasoning systematic error.