Final answer:
The correct answer is stereotyping. Stereotyping involves making generalizations or assumptions about a group of people based on a shared characteristic or behavior.
Step-by-step explanation:
The correct answer is b) Stereotyping.
Kohanna's assumption that everyone who smiles is always happy and those who are quiet are naturally shy is an example of stereotyping. Stereotyping involves making generalizations or assumptions about a group of people based on a shared characteristic or behavior.
In this case, Kohanna is assuming that all people who smile are happy and all people who are quiet are shy, which may not be true in every situation.