Question

select the word that means a fixed idea about a group that may be unfair or untrue. american runner anne garrett didnt take up running until age seventy - two. at eighty, she set a national record for the half - marathon in her age group. she defies the stereotype that older people dont exercise, although she urges kids to run, too.

Explanation:

A stereotype is a fixed, often oversimplified and inaccurate belief about a group of people. In the text, the idea that "older people don't exercise" is a stereotype that Anne Garrett defies.

Answer:

stereotype