title: Performance time transformed by count as a determinant of difficulty in the Shotokan karate Heian kata set.
abstract: Black-belt subjects (10 men) were timed on each of the five Heian kata and the scores transformed by count. Trend analyses showed that increased performance time was significantly related to assumed complexity in Heian ranking.
authors.affiliation: Department of Psychology, University of London Institute of Psychiatry, England.
authors.forename: C
authors.initials: C
authors.lastname: Layton
authors.forename: J M
authors.initials: JM
authors.lastname: Lawrence
mesh_terms: D000124:Achievement; D000328:Adult; D001288:Attention; D006801:Humans; D008297:Male; D016139:Martial Arts / Q000523:psychology*; D011930:Reaction Time