Dataset: soccer_sprint.dat Source: C.B. Wragg, N.S. Maxwell, J.H. Doust (2000). "Evaluation of the Reliability and Validity of a Soccer-Specific Field Test of Repeated Sprint Ability," European Journal of Applied Physiology, Vol. 83, pp. 77-83. Description: Times for 7 soccer players across six trials for the Bangsbo Sprint test. Trials were treated as fixed effects to determine whether speeds were decreasing over trials. Variables/Columns Player 8 Trial 16 Time (seconds) 18-24