https://matteocampagna.com/en/registry/technique/score-most-repeatable-measure Changes to this claim in Matteo Campagna's evidence registry: its status, its year-by-year history, revisions of the page. en-gb https://matteocampagna.com/en/registry/technique/score-most-repeatable-measureOnly one study sets the stability of the score beside that of laboratory measures in the same archers, and it does so in passing: fourteen university recurve archers, measured before and after twelve weeks of training. Over a simulated round of 72 arrows at 70 m the score varies by 3%, with an ICC of 0.84 and a typical error of 4 points; the electrical activity of the muscles in the second before release varies by 8 to 55% depending on the muscle, and strength, measured with a handheld and an isokinetic dynamometer, despite ICCs between 0.87 and 0.93, by 30 to 35%. Two measures, however, challenge the score's lead: strength is more consistent, and on the draw side two shoulder angles also reach a coefficient of variation of 3%, with a lower ICC. On the word "most", then, the same study points both ways, and the status is contested. Two limitations weigh more than the numbers. The two sessions are twelve weeks apart, with training in between that raised the score, so this is not a repeatability test in the strict sense; and the score is the sum of 72 arrows, while muscles and angles are measured on six arrows at 5 m. That the score of a round is fairly stable in itself was already shown in 1969 in a course for beginner schoolgirls, with a correlation of 0.78 to 0.80 between two rounds shot on consecutive days, but with no other measure beside it. The finding says that, for the same archer, the score of a simulated round moves far less than an electromyography trace or a strength test; to say it is the most repeatable measure of all would take a study designed for the purpose.claim:punteggio-misura-piu-ripetibile:revision:2026-07-27:3Mon, 27 Jul 2026 08:00:00 GMT https://matteocampagna.com/en/registry/technique/score-most-repeatable-measure#storiaThe first measurement of how repeatable the score is comes from an experiment on 216 beginner girls in their first year of an Illinois high school: the two rounds shot on the last two days of the course correlate at 0.80 and 0.78 in the two groups, and with four rounds the estimated reliability would exceed 0.90. The score of a round, then, is fairly stable even in people who have just started. But the study measures nothing else to compare it with, and the claim is about the most repeatable measure: the comparison has not yet been made.claim:punteggio-misura-piu-ripetibile:history_entry:2026-06-11:1969Thu, 11 Jun 2026 08:00:00 GMT https://matteocampagna.com/en/registry/technique/score-most-repeatable-measureclaim:punteggio-misura-piu-ripetibile:new_claim:2026-02-05:contestatoThu, 05 Feb 2026 08:00:00 GMT