In media literacy, what constitutes 'echo chamber' behavior on algorithmic social platforms?

Answer and explanation

Correct answer: D. users consume only reinforcing viewpoints

  1. Step 1: An echo chamber occurs when algorithmic recommendation systems and user self-selection curate content that echoes preexisting biases. Alternative viewpoints and dissenting empirical evidence are systematically excluded, polarizing public opinion. Answer: users consume only reinforcing viewpoints. Why not the others: "broadcasting balanced investigative news" is the professional journalistic standard of objectivity, the direct opposite of echo chambers; "reading multiple conflicting perspectives" demonstrates intellectual open-mindedness that breaks through algorithmic information bubbles; "blocking all entertainment audio clips" describes a narrow personal content filter rather than ideological insularity and polarization.

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