You don’t have to be a zen master. Every test has control questions — something like “have you ever taken office supplies home?” that provoke a guilty response. Learn to spot the control questions, put a tack in your shoe, and you can generate a stress response to the control questions. That way, you can mask the lies.
Are lie-detector machines available to the public, for people to practise their lying skills?
isn’t that what they did in Oceans 13?