Jethro believes that all elderly people have difficulty hearing and understanding.Whenever he interacts with an elderly person,Jethro automatically speaks loudly and slowly.Jethro is
Applying his ________ of the elderly in these interactions.

A) algorithm
B) prototype
C) stereotype
D) exemplar

Jethro is applying his stereotype of the elderly in these interactions. A stereotype is a fixed, over generalized belief about a particular group or class of people. In this case, Jethro holds a stereotype that all elderly people have difficulty hearing and understanding, which influences how he communicates with them.