King-Devick Test Reliability in National Collegiate Athletic Association Athletes: A National Collegiate Athletic Association-Department of Defense Concussion Assessment, Research and Education Report.

CONCLUSIONS: The KD test was reliable between trials and years and when stratified by modality. A small improvement of 2 seconds was identified with annual retesting, likely due to a practice effect; however, 27% of athletes displayed slowed performance from year 1 to year 2. These results suggest that the KD assessment was a reliable test with modest learning effects over time and that the assessment modality did not adversely affect baseline reliability.
PMID: 31618072 [PubMed - as supplied by publisher]

Source: J Athl Train - October 15, 2019 Category: Sports Medicine Authors: Breedlove KM, Ortega JD, Kaminski TW, Harmon KG, Schmidt JD, Kontos AP, Clugston JR, Chrisman SP, McCrea M, McAllister TW, Broglio SP, Buckley TA Tags: J Athl Train Source Type: research