Weick refers to uncertainty, or ambiguity, as this

Identify and describe the four main categories of informative speeches. Give an example topic for each. (Examples will vary.)

What will be an ideal response?

An institutional review board, or human subjects review committee, can make which of the following decisions?

A. Deny the research proposal. B. Approve the research proposal. C. Require changes in the research proposal. D. All of the above. E. None of the above.