Final answer:
The correct match for 'Ethos is: ___' would be 'a. The credibility and ethics behind the argument.' as ethos refers to the ethical appeal which is intended to establish the credibility of the speaker or writer.
Step-by-step explanation:
The task is to match the items by selecting the correct letter that corresponds with the numbered definition of 'Ethos' as it is used in rhetorical and argumentative contexts. The lettered items are:
- a. The credibility and ethics behind the argument.
- b. The logic and reason behind the argument.
- c. The emotional aspect of the issue by focusing on compassion; uses emotionally charged vocabulary.
The numbered item is:
To match the items, the definition given by the numbered item '1' is that Ethos is an appeal to ethics and helps establish the writer's or speaker's credibility. Therefore, the matching letter from the lettered items would be 'a', as it pertains to the credibility and ethics behind the argument.