C: Communication training would not improve performance in sports.
What defines a sport?
sport is "an activity involving physical exertion and skill in which an individual or a team competes against another or others for entertainment"
What does performance mean in sport?
Sport performance is the manner in which sports participation is measured. Sports performance is a complex mixture of biomechanical function, emotional factors, and training techniques.
Learn more about performance here:https://brainly.com/question/1532968
#SPJ2
