Even if you haven't heard the terms ethos, pathos, and logos before, the concepts attached to these terms are familiar to you. Developing an understanding of these elements -- whether by name or by function -- will equip you for a richer understanding of the arguments around you.
Ethos establishes credibility by
demonstrating knowledge
establishing common ground
demonstrating fairness
Logos appeals to logic by
providing examples and precedents
citing authority and testimony
establishing causes and effects
using inductive and deductive reasoning
Pathos appeals to emotions by
using description and concrete language
using figurative language (metaphors, similes, analogies)
shaping your appeal to your audience
This short video by David Wright of Furman University provides a good primer on the rhetorical triangle and its use in analyzing argument.
Please watch it on your own time. We will employ some of the techniques mentioned here in class as you prepare for essay 2.