Describe the research design and methodology incorporated in the studies that tested the efficacy of CET. What were the results with respect to

(a) behavioral differences between trained and untrained coaches,

(b) win-loss records,

(c) players’ evaluative reactions to trained and untrained coaches,

(d) self-esteem effects,

(e) competitive anxiety differences between youngsters who played for trained and untrained coaches, and

(f) dropout rates?