Title: Judges in judo conform to the referee because of the reactive feedback system
Authors: Boen, Filip ×
Ginis, Pieter
Smits, Tim #
Issue Date: 26-Nov-2013
Publisher: Taylor & Francis
Series Title: European Journal of Sport Science vol:13 issue:6 pages:599-604
Abstract: This experiment tested whether the conformism observed among panels of judges in aesthetic sports also occurs among
judges in judo. Similar to aesthetic sports, judo judging relies upon a form of open feedback. However, in judo, this system is
reactive (i.e. two judges have to publicly ‘correct’ the score given by the higher-status referee), whereas it is active in aesthetic
sports (i.e. judges with equal status report their score simultaneously and can use the feedback about the scores of their
colleagues for evaluating later performances). In order to test whether such reactive open-feedback system leads to
conformism among judges in judo, we designed an experiment in which this feedback was manipulated. Participants were
20 certified Flemish judges, who had to score two sets of 11 ambiguous video sequences that are used during formation and
training of judo judges: one set with feedback about the referee’s score and one set without feedback. The results revealed
that when participants knew the referee’s score, their scores were significantly more in line with this score than when they
did not know this score. More specifically, for both sets of sequences at least 10% less deviations from the referee were
observed when participants were given feedback about the score of the referee. These results suggest that preventable
conformism can occur in typical judo judging, that is with reactive open feedback.
ISSN: 1746-1391
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Physical Activity, Sports & Health Research Group
Research Group for Neuromotor Rehabilitation
Institute for Media Studies
× corresponding author
# (joint) last author

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