title: Relationship between years of training and judged performance in Shotokan karate black-belts.
abstract: The relation between length of training and Dan rank was significant for 110 male black-belts, although the complication of tied ranks was noted.
authors.affiliation: Institute of Psychiatry, University of London, England.
authors.forename: C
authors.initials: C
authors.lastname: Layton
mesh_terms: D000124:Achievement; D001076:Aptitude; D004522:Educational Status; D006801:Humans; D007564:Japan; D008297:Male; D016139:Martial Arts / Q000193:education* / Q000592:standards*; D008875:Middle Aged; D006113:United Kingdom