appreciation index
type: Concept
broader: theories
definition: There are three widely known ways to appraise screen material, two of which are systematically representative of the public. For television programs and for movies, the size of the audience is estimated on the basis of representative audience methods. [Source: Encyclopedia of Children, Adolescents, and the Media; Appreciation Index]

concepts
type: Collection
type: ConceptGroup
member: appreciation index

theories
type: Concept
narrower: appreciation index