A、They force people to follow the cultural mainstream. B、They exaggerate the roles of certain groups of people. C、They emphasize

To see if hair color affects a person’s chances of getting a job. researchers at California State University asked 136 college students to review the resume and photograph of a female applicant for a job as an accountant. Each student was given the same resume. But the applicant’s picture was altered, so that in some photos her hair was golden, in some red and in some brown. The result? With brown hair, the woman was rated more capable, and she was offered a higher salary than when she had golden or red hair. Other studies have found similar results. Many respondents rate women with golden hair with less intelligence than other people, and red heads as more temperamental. Women with red or golden hair are victims of the common practice of stereotyping.
    A stereotype is a simplistic or exaggerated image that humans carry in their minds about groups of people. For example, "lawyers are shrewd and dishonest" is a popular stereotype. Stereotyping can occur in public speaking classes. When trying to choose a speech topic, some males think that women are uninterested in how to repair cars, while some females think that men are uninterested in creative hobbies, such as knitting and needle point. We should reject stereotypes, because they force all people in a group into the same simple pattern. They fail to account for individual differences, and the wide range of characteristics among members of any group. Some lawyers are dishonest, yes! But many are not. Some women are uninterested in repairing cars, yes! But some are enthusiastic mechanics.
23. What did researchers at California State University find?
24. What is the popular stereotype of lawyers?
25. Why does the speaker say we should reject stereotypes?