Which behavior would you need to change to make your public speaking skills more effective? A. controlling the pacing of your entire speech B. speaking clearly so that the audience can hear you C. varying your volume to add interest D. speaking without any expression

The correct answer is D. Speaking without any expression.

Explanation

Public speaking skills are a set of human expression skills that allow a person to perform effectively in communication in front of groups of people, for example, speaking with clear and concise speech, having good body expression, tone adequate voice, speaks at a moderate speed in which the public understands the message you want to give, among others. Therefore, what needs to be changed to make your public speaking skills more effective is to speak without any expression because the speaker's expression contributes to the public connecting with the message that is being transmitted. Also, the lack of expression affects negatively the speech by reducing the audience interest and attention. So, the correct answer is D. Speaking without any expression.

The correct answer is: Option D. speaking without any expression. Because that shows insecurity while speaking.