The person supervising a new advertising campaign was not sure that the team fully understood...

To stimulate conflict and get a different perspective, bringing in outsiders is the most appropriate technique.

Bringing in Outsiders(Answer A): This technique involves introducing new individuals who have different viewpoints, which can stimulate conflict and provide new perspectives that might be overlooked by the current team. It helps in shaking up the status quo and encouraging innovative thinking​​.

Appointing a Devil's Advocate(Answer B): While also effective in stimulating conflict, this technique involves someone within the group challenging ideas to ensure thorough evaluation. However, it might not provide as fresh a perspective as bringing in outsiders.

Authoritative Command(Answer C) andCompromise(Answer D): These are more about resolving conflict rather than stimulating it.