Is Confidence a Factor in Dog Training?

Some dogs genetically, you could argue are more confident than others. But that does not necessarily translate to obedience, right? So in life, Zaina is insanely confident. He's downright cocky and obnoxious in life, like very obnoxious and cocky. And so my training is going to have a massive influence on her confidence,. How I teach it to her, how successful she is when she's learning it or how successful she has been before.