Professor Rothman Is Interested in Tracking Changes in Racial Stereotypes

Professor Rothman is interested in tracking changes in racial stereotypes in the U.S.If he decides to conduct an archival analysis,he should ____

A) interview multiple generations in families of different race and ethnicities.
B) record how minorities are portrayed in cartoons in the New Yorker magazine from 1940-2000.
C) ask his students to report their impressions of how different ethnic groups are portrayed on television.
D) compare the results of opinion polls taken over five decades.