What is a stereotype, and what does it have to do with bias?

A stereotype is an accusation not a point proven

1)a widely held but fixed and oversimplified image or idea of a particular type of person or thing 
1)a relief printing plate cast in a mold made from composed type or an original plate.1)VERB:view or represent as a stereotype.
2)Stereotype threat is a situational predicament in which people are or feel themselves to be at risk of conforming to stereotypes about their social group. Since its introduction into the academic literature, stereotype threat has become one of the most widely studied topics in the field of social psychology.