Which message type focuses on obtaining desired responses through motivation?

The correct answer is persuasive messages because this type of communication is specifically designed to motivate the audience to act or respond in a desired way. Persuasive messages employ various techniques, such as appealing to emotions, presenting compelling arguments, and addressing potential objections to elicit the desired reaction from the reader or listener.

In contrast, informative messages primarily aim to provide the audience with clear and concise information without necessarily intending to influence or motivate. Negative messages typically convey unfavorable news and may have the opposite effect from motivation, often leading to feelings of disappointment or frustration. Internal messages are communications within an organization and can serve various purposes but are not exclusively focused on persuasion. Thus, persuasive messages stand out as the category that emphasizes motivation and obtaining desired responses.