Do the classic motor learning effects (eg focus of attention, choice) apply to experts?

Review of "Effects of self-controlled practice and focus of attention on free throw accuracy: Exploring optimal theory among skilled basketball players" www.sciencedirect.com/science...

[@winkletter]

Interview about OPTIMAL theory is episode 80.

[@afonsoramos5031]

Hi! I really appreciate the information you provide! Is there any information, study, or video about whether I should train with training partners who are at a lower level, the same level, or higher level than me?