What does making sure your speech material is clearly organized have to do with credibility?

Studying public speaking benefits people only on the personal level

Indicate whether the statement is true or false

By learning to manage our emotions we can

a. increase our perceptions of the personal rewards that may result from interacting with others. b. increase our motivation to communicate. c. decrease social anxiety. d. change debilitative into facilitative emotions. e. All of the above