The researchers started their work after noticing some of their female students seemed to participate less in class. They tested these poses on subjects who did not know the intent of the research. CNN's Don Lemon spoke with Professor Amy Cuddy of Harvard Business School and Professor Dana Carney of Columbia Graduate School of Business, the authors of "Power Posing: Brief Nonverbal Displays Affect Neuroendocrine Levels and Risk Tolerance."

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