Compare and contrast closure and similarity as they help us organize perceptions.

When delivering persuasive speeches, it is necessary to ________

A) appear confident, speaking loudly and clearly B) explain your credentials to speak on the topic C) identify similarities between you and the audience with respect to the topic D) all of the above

________ communication can significantly enhance an organization's reputation, productivity, community support, and economic success.

A. Formal B. External C. Internal D. Grapevine