Final answer:
The technique using impersonal speech to psychologically distance oneself from a threat is known as 'Distancing'. It helps reduce emotional involvement by speaking in a more detached manner. Key aspects of effective communication include using specific terms, enunciating clearly, and maintaining respect.
Step-by-step explanation:
The communication technique that involves using impersonal speech to create a psychological distance between a threat and oneself is known as b) Distancing. When individuals use this technique, they often talk about potentially threatening topics in a more detached or abstract manner, which can help reduce their anxiety and emotional involvement with the subject. Distancing might involve talking about the threat in the third person or using general terms rather than personally identifying with the situation.
Effective communication involves not just the content of what is being communicated, but also how it is conveyed. Using specific terms or jargon, enunciating clearly, and using respectful language contribute to the clarity and professionalism of the message. These aspects are important in many contexts, from casual conversations to professional settings.