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72 boys attending ATA Taekwondo schools were administered the Children's Personality Questionnaire. Primary factors D(+), F(+), I(–), and N(+) were significantly correlated with belt rank in Taekwondo. Canonical analysis indicted that Factors F(+) and I(–) were predictively associated with increases in belt rank.
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Kurian et al. (1994) studied this question.
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