Mass communication occurs when a small number of people send messages to a large anonymous and usually heterogeneous audience through the use of specialized communication media. \n\nThe units of analysis for mass communication are the messages, the mediums, and the audience. \n\nMass Communication represents the creation and sending of a homogeneous message to a large heterogeneous audience through the media. Mass communication studies the uses and effects of the media by many as opposed to the study of human interaction as in other communication contexts. \n\nTheories \n\nAgenda-Setting theory \n\nCultivation theory \n\nCultural Imperialism theory \n\nDiffusion theory \n\nFunctional Approach to Mass Communication \n\nHuman Action Approach theory \n\nMedia Dependency \n\nMedia Equation \n\nRules-Based theory \n\nSpiral of Silence theory \n\nTechnological Determinism theory \n\nUses and Gratifications theory
what are the diferent mass communication theories?