Google’s LaMDA is making people believe that it’s a person with human emotions. It’s probably lying, but we need to prepare for a future when AI might, in fact, be sentient.
Give them time and space to familiarize themselves with the codebase, teach them where to look for answers and don’t fall prey to the curse of knowledge. In other words, be a mentor.
Ask for feedback and be specific about what types of feedback you expect. If that doesn’t work, experiment with self-evaluation and ask your colleagues.