The Center for Democratic Deliberation (CDD) is a nonpartisan interdisciplinary center that promotes research and programming focused on rhetorical aspects of democratic deliberation. The center studies how people use language and communication, speaking and writing, argument and persuasion, or dialogue and debate to impact the quality of civic discourse. The CDD thus advocates a variety of humanistic resources that encourage constructive norms of agreement and disagreement, of consensus and dissent, of civic engagement and decision-making.