Don't judge. Teach. It's a learning process.
In a growth mindset, challenges are exciting rather than threatening. So rather than thinking, oh, I'm going to reveal my weaknesses, you say, wow, here's a chance to grow.
What can I learn from this? What will I do next time I'm in this situation?
...when people already know they're deficient, they have nothing to lose by trying.
Research shows that normal young children misbehave every three minutes.
What did you learn today? What mistake did you make that taught you something? What did you try hard at today?