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The Pew Research Center is a nonpartisan "fact tank" that provides information on the issues, attitudes and trends shaping America and the world. The center conducts public opinion polling, demographic studies, media content analysis and other empirical social science research. It does not take positions on policy issues.
Effective Speaking provides the hard scientific information about audience psychology, text preparation, presentation methods, voice production, body language and persuasive advocacy which will help would-be speakers improve their performance.