16. T F Public speaking is essentially like acting because once you learn a speech, you can give it over and over without adapting to the different audiences you address. 17. T F Audience analysis first comes into play after a speaker has chosen a speech topic. 18. T F Audience analysis first comes into play after a speaker has chosen a specific purpose. 19. T F Audience analysis is only important after a speaker has completed research for a speech. 20. T F Audience analysis is only important after a speaker has prepared an outline for the speech. Â