Final answer:
Outcomes that measure the audience's response and feelings towards content are known as B. attitudinal outcomes, which are a part of a tri-component model of attitudes that also include cognitive and conative aspects.
Step-by-step explanation:
Outcomes that measure the response to the content and the audience's feelings are known as attitudinal outcomes. This term relates to the attitudes or feelings individuals have towards the content they are presented with. Attitudes consist of three components as described by Rosenberg and Hovland: cognitive, which pertains to beliefs or thoughts about an object; affective, which includes feelings or emotions about the object; and conative, referring to the behavior or action tendencies regarding the object.
The central route to persuasion, as described in the provided information, requires the audience to be analytical and motivated to process the message deeply.