填空题 Fill in each of the following blanks with one worD、In each case, use the exact word that appears in your textbook. Apparently, such prejudices can affect classroom achievement as well. In a study 1 by Herbert Harari of San Diego State University, and John McDavid of Georgia State University, teachers gave consistently lower grades 2essays apparently written by boys named Elmer and Hubert 3they awarded 4the same papers when the writer's names were given as Michael and DaviD、 5, teacher prejudice isn't the only source of classroom difference. Dr. Thomas V. Busse and Louisa Seraydarian of Temple University found those girls with names 6Linda, Diane, Barbara, Carol, and Cindy performed better 7objectively graded IQ and achievement tests than did girls with less 8names. (A companion study showed girls' popularity 9 their peers was also related to the popularity of their names -- although the connection was 10clear for boys.)