Entman has a book on framing, this is just a paper.
Defines framing as having to do with selection and salience: "select some aspects of a perceived reality and make them more salient in a communicating text, in such a way as to promote a particular problem definition, causal interpretation, moral evaluation, and/or treatment recommendation for the item described". In the paper it is also discussed the concept of "dominant meaning" (the problem, causal, evaluative, and treatment interpretation with the highest probability of being noticed, processed, and accepted by the most people) and how good journalism does not offer scattered oppositional facts but is actually able to challenge the "dominant meaning".
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