The document summarizes several normative theories of mass communication:
- Authoritarian theory describes media controlled by the government to not publish anything against it.
- Libertarian theory advocates for total freedom of press and speech.
- Social responsibility theory sees media as having obligations to society like truth and balance.
- Soviet media theory views media as serving the interests of the working class and disseminating propaganda.
- Additional theories include development media theory prioritizing national development, and democratic participant theory focusing on audiences' needs for information and interaction.