Are We Better Decision Making Because We've Done It for Years?

Are we better diagnostician and prognosticans, if that's a word, simply by our increased experience of making decisions through time? Or is it a level playing field, like which you and i perform as well. You know, if you tie your shoe laces ten thousand times, you better rot than if you'd done it a hundred times,. I think, yea. But i sort of improved the transferable skill.