United States Academic Decathlon United States Academic Decathlon The Academic Decathlon (also called AcaDec, AcaDeca or AcDec) is the only annual high school academic competition organized by the non-profit United States Academic Decathlon Association (USAD). The competition consists of seven multiple choice tests, two performance events, and an essay. Academic Decathlon was created by Robert Peterson in 1968 for local schools in Orange County, California and expanded nationwide in 1981 by Robert Peterson, William Patton, first President of the new USAD Board and Phillip Bardos, Chairman of the new USAD Board. That year, 17 states and the District of Columbia participated, a number that
Essentially contested concept substantive disagreements over a range of different, entirely reasonable (although perhaps mistaken) interpretations of a mutually-agreed-upon archetypical notion, such as the legal precept "treat like cases alike; and treat different cases differently", with "each party [continuing] to defend its case with what it claims to be convincing arguments, evidence and other forms of justification". Gallie speaks of how "This picture is painted in oils" can be successfully contested if the work is actually painted in tempera; while "This picture is a work of art" may meet strong opposition due to disputes over what "work of art" denotes. He suggests three