This study investigated the criterion-related validity of past performance and physical ability tests over time in a physically demanding context, the National Football League (NFL). Results suggested that an indicator of past performance, collegiate performance, engendered a stronger relationship with future NFL performance than a variety of physical ability tests administered during the NFL Combine. Unlike physical ability, past performance remained a valid predictor across four years of the criterion domain; however, the validity coefficients eventually deteriorated over time, following a simplex pattern commonly found with general mental ability tests. Implications germane to staffing research and practice are discussed. See: http://www.ajc.com/sports/atlanta-falcons/nfls-physical-testing-methods-853734.html
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