This course critically evaluates research and scholarship focused on the impact of mass communication in a variety of substantive domains including the impact of media on knowledge, social values, and behavior. Policy applications of media effects research and the use of mass communication in public information campaigns are also reviewed. Media impact is treated both in theoretical and applied terms. The research examined spans levels of analysis, including effects on individuals as well as society at large. Topics to be covered include media impact on: social values; educational development; political behavior; violence and aggressive behavior; consumer behavior; and public opinion. Research on the use of mass communication in public information campaigns is also reviewed, as is the role of media research in providing guidance for social policy makers and media professionals.