This is a question always tempting leaders to give an answer. Eager to show that people will benefit, we spend time explaining: good for your development, good for your knowledge, good for you as a professional etc. If people could not figure out for themselves it may be not worth asking them to do anything!
Amy Edmondson talks about simple and practical examples of what psychological safety sounds like in practice - the behaviours that nurture it. She also reinforces that PS is about creating a fearless environment, where team members feel they can speak up with concerns, bad news, or ideas without fear of being shut down, blamed, or humiliated. Conflict exists, but is is managed constructively.
Three things leaders and team members must continue to do: