References
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- National Federation of State High School Associations. (2017, September 6). High school sports participation increases for 28th straight year, nears 8 million. Retrieved from https://www.nfhs.org/articles/high-school-sports-participation-increases-for-28th-straight-year-nears-8-million-mark
- Purdie, J. (2017). Growth mindset for athletes, coaches and trainers: Harness the revolutionary new psychology for achieving peak performance. Berkeley, CA: Publishers Group West.
- Rerick, M. (2016). The importance of multi-sport participation. National Federation of State High School Associations. Retrieved from http://www.nfhs.org/articles/the-importance-of-multi-sport-participation
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- Woodall, B. (2017). Schools continue to encourage multiple-sport participation. National Federation of State High School Associations Publications.