It's either c or d. But I'd go with D.
Answer:
The training program should take 15 percent or less of the time devoted to an average practice. When a coach provides less feedback to an athlete whose performance has improved, the coach should explain the change to the athlete. The coaching profession is ever-changing and coaches at each level of sport competition need to know more than just the Xs and Os in order to be successful. As the primary individuals tasked with developing athletes and helping them achieve their goals, coaches should acquire a working knowledge of all areas affiliated with performance enhancement.
Explanation:
I really think it was Wundt. Not 100% sure though
Yes and I believe it’s called Mismates? (That is what I’ve always heard it called) and yes hereditary factors are often the cause of this.