Statistics acquired from: aspeninstitute.org/blog-posts/7-charts-show-fix-youth-sports/ ​

Statistics acquired from: aspeninstitute.org/blog-posts/7-charts-show-fix-youth-sports/ ​

*Activities are individual, and team coordinated, considering easy, medial and level of difficulty, selected according to age, size, grade and perceived knowledge, including, Blooms Taxonomy
  critical thinking, learning and evaluating outcomes.