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1 Introduction
Pages 1-3

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From page 1...
... Additional effort is needed to develop theories that can identify underlying processes and mechanisms that link media influences to outcomes. Outcomes in turn call for tools that can measure, evaluate, and help explain how certain media experiences influence, and are influenced by, health and behavioral factors as well as cognitive and developmental processes.
From page 2...
... As an increasingly pervasive and vibrant part of the social ecology of children and youth, media influences have drawn the attention of parents, practitioners, and policy makers who seek to curb risky exposures as well as to identify ways to promote positive media practices that can foster healthy development. These questions are extremely complicated to investigate.
From page 3...
... Methodological questions and challenges and theoretical approaches are described; they are discussed from the perspective of other kinds of epidemiological research. The report closes with a discussion of future directions for the field.

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