Fair warning, the research mentioned at the beginning of this video is controversial and (I think it's fair to say) has generally failed to replicate.

The research in question ("Praise for intelligence can undermine children's motivation and performance", Dweck & Mueller): https://pubmed.ncbi.nlm.nih.gov/9686450/

Overview of the controversy: https://en.wikipedia.org/wiki/Carol_Dweck#Criticism

Previous HN discussion on the paper: https://news.ycombinator.com/item?id=12233571