The effects of persuasive messages on attitudes toward having an AIDS-infected co-worker are explored. A message addressing the instrumental considerations of interacting with AIDSinfected co-workers produced attitude change only in individuals who did not hold negative attitudes toward homosexuality. To account for these findings, the authors propose that attitudes toward AIDS-related issues can serve both instrumental and symbolic functions. The expression of a negative attitude toward a person infected with AIDS may reflect a response to the possible consequences of interacting with this person or a response to what AIDS symbolizes. For those who hold negatiue attitudes toward homosexuality, AIDS may symbolize homosexual promiscuity and moral decadence. The results are discussed with regard to their relevance for AIDS education programs.1n the last few years, social psychologists have shown a renewed interest in the psychological functions served by attitudes (DeBono,1987; Herek, 1986Herek, ,1987Prentice, 1987;Snyder & DeBono, 1988). The functional approach assumes that attitudes serve certain psychological needs for the individuals who hold them. Early functional theorists enumerated lists of possible functions that attitudes can serve (Katz, 1968;Smith, Bruner, & White, 1956). More recent formulations simplify these classifications in order to make empirical investigations more feasible. Herek (1986Herek ( , 1987 and Prentice (1987) suggest that two general categories of attitude functions, instrumental and symbolic functions, underlie thc various taxonomies proposed by other functional theorists.Attitudes that serve instrumental functions are utilitarian in nature. They are shaped by beliefs about costs and benefits. The Ajzen and Fishbein (1980) theory of reasoned action typifies this concept of attitudes. By contrast, attitudes that serve a symbolic function are not so clearly tied to personal self interest as instrumental attitudes. They are more likely to invoke abstract values and involve emotional responses (Abelson, 1982). The Speer, I979) on symbolic political attitudes typifies this concept of attitude function.The present research explored how both instrumental and symbolic functions are served by attitudes toward persons with AIDS (PWAs). We were specifically interested in the relevance of the functional approach for AIDS education programs. Recent research by Pryor, Reeder, Vinacco, and Kott (1989) suggests that attitudes toward PWAs in school settings are related to beliefs about the likelihood of possible consequences. For example, parents may be opposed to having their children in class with a PWA because they believe that AIDS could be' transmitted in this .setting. This is, of course, an instrumental function. Statistically independent of these relationships, Pryor et al. found that attitudes toward PWAs are also related to general attitudes regarding homosexuality. In these studies general attitudes about homosexuality were significant predictors of attitudes toward nonhomosexualPWAs (e....