Ethos, logos, and pathos were Aristotle’s three forms of rhetorical proof, meaning they were primary to his theories of persuasion. Ethos refers to the credibility of a speaker and includes three dimensions: competence, trustworthiness, and dynamism. The two most researched dimensions of credibility are competence and trustworthiness (Stiff & Mongeau, 2003).
Coincidentally, I'm being assigned an essay in which I have to employ these techniques in English 101. Most of my annotations for this chapter tie back to being a writer. It's comforting to know that I can use the techniques I use as a writer while giving a speech.