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espanolAnalizar las relaciones entre autoeficacia, ansiedad precompetitiva y percepcion subjetiva del rendimiento deportivo en futbolistas de diferentes categorias (sub 17 y juvenil) de un club de futbol costarricense. Metodologia: Participaron 32 jugadores: 17 de la categoria sub 17 (todos con 16 anos de edad) y 15 de la categoria juvenil (18.2 ± 0.77 anos), con un promedio de edad general de 17.03 ± 1.23 anos. Se aplico escalas de autoeficacia general, ansiedad precompetitiva, autoeficacia especifica y percepcion del rendimiento. Resultados: Los jugadores sub 17 perciben mejor su rendimiento en comparacion con los juveniles. La ansiedad somatica registro una disminucion significativa (F(2.46) = 10.21, p EnglishTo analyze the relationships between self-efficacy, precompetitive anxiety, and self-perception of sports performance in two categories (under 17 and juvenile) of a Costa Rican soccer club. Methodology: 32 players participated in the study: 17 in the under 17 category (all 16 years of age) and 15 in the juvenile category (18.2 ± 0.77 years), with a mean overall age of 17.03 ± 1.23 years. Scales of general self-efficacy, precompetitive anxiety, specific self-efficacy and perception of performance were applied. Results: Under 17 players perceive their performance better compared to juvenile players. Somatic anxiety recorded a significant decrease (F(2, 46) = 10.21, p

AUTOEFICACIA, ANSIEDAD PRECOMPETITIVA Y PERCEPCIÓN DEL RENDIMIENTO EN JUGADORES DE FÚTBOL CATEGORÍAS SUB 17 Y JUVENIL