Any stereotyping, prejudice, or discrimination against the older adult, or in fact any age group is defined as what:

A. Ageism refers to stereotyping, prejudice, or discrimination based on a person's age. This can occur against any age group but is often directed at older adults, where they may be perceived as less capable, frail, or irrelevant due to their age. B. Sexism refers to discrimination based on gender, usually against women, but can apply to any gender. It involves biased attitudes, behaviors, or practices that disadvantage individuals based on their gender. C. Bias refers to a tendency to favor or prejudice one group over another. While bias can be related to age, it is a broader term and is not specific to age groups. D. Discrimination is the unjust or prejudicial treatment of different categories of people or things, and it can involve ageism, sexism, racism, etc. However, ageism is a more specific term when the discrimination is based on age.