Propiedades psicométricas de la escala “International Fitness Scale” en adolescentes chilenos

  1. Pedro Rufino Olivares 1
  2. Javier Garcia Rubio 2
  3. Eugenio Merellano-Navarro 2
  1. 1 Universidad de la República
    info

    Universidad de la República

    Montevideo, Uruguay

    ROR https://ror.org/030bbe882

  2. 2 Universidad Autónoma de Chile
    info

    Universidad Autónoma de Chile

    Temuco, Chile

    ROR https://ror.org/010r9dy59

Journal:
Retos: nuevas tendencias en educación física, deporte y recreación

ISSN: 1579-1726,  1988-2041

Year of publication: 2017

Issue Title: La Educación Física y la Promoción de Estilos de Vida Activos: Interrogaciones, Investigación y Dilemas

Issue: 31

Pages: 23-27

Type: Article

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More publications in: Retos: nuevas tendencias en educación física, deporte y recreación

Abstract

In recent years, an instrument, known as the International Fitness Scale, was developed in order to indirectly assess physical fitness. The aim of the present study was to analyze the psychometric properties of validity and reliability of the International Fitness Scale in a sample of Chilean adolescents. The sample selected for assessing the instrument’s validity was composed by 1,000 adolescents aged 12 to 18 (48.8% girls). With regard to reliability analysis, a sub-sample of 89 participants (37.8% girls) was employed. Internal consistency was assessed using Cronbach´s alpha. Exploratory factor analysis was carried out in order to measure the construct validity, while convergent validity was assessed applying the known groups method. Results showed that the scale is consistent and valid, presenting moderate reliability. The International Fitness Scale has been proved to be a valid and reliable tool for fitness assessment in Chilean adolescents. This instrument could help economizing equipment, time and personnel in the assessment of Physical Fitness in Chilean youth.

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