Some AI models get more accurate at maths if you ask them to respond as if they are a Star Trek character, ML engineers say::Researchers asking a chatbot to optimize its own prompts found it was best at solving grade-school math when acting like it was on Star Trek.
AI models get more dishonest if you ask them to respond as if they were a pirate: https://www.circusscientist.com/2023/11/13/i-hired-a-pirate-to-take-orders-for-my-entertainment-business/
If you ask them to respond like a politician they answer all your questions with something completely different.