When you make a generalization about an entire group of people, you are using a: Stereotype
A stereotype is a widely held view of a person or thing that may not necessarily be true. A stereotype generalizes and makes assumptions about people and things.
It usually has a negative connotation. For example, when you say that people from a particular ethnic group have a certain attribute, then stereotype is being applied.
So, option A is correct.
Learn more about stereotypes here:
https://brainly.com/question/4512782
