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Propiedades psicométricas de la Escala de Autoconcepto Académico (EAA) en estudiantes universitarios chilenos / Psychometric properties of the Academic Self-Concept Scale in Chilean university students
Méndez Vera, Juan; Gálvez Nieto, José Luis.
  • Méndez Vera, Juan; s.af
  • Gálvez Nieto, José Luis; s.af
Liberabit ; 24(1): 131-145, ene.-jun. 2018. ilus, tab
Article in Spanish | LILACS-Express | LILACS | ID: biblio-1020044
RESUMEN
El presente estudio tuvo como objetivo evaluar las propiedades psicométricas de la Escala de Autoconcepto Académico (EAA) en una muestra de estudiantes universitarios de Chile. Para ello, se realizó un estudio de corte transversal y se seleccionó a los participantes a través de un muestro probabilístico estratificado de 1290 estudiantes de ambos sexos (57% mujeres y 43% hombres), con una media de edad de 21.03 años. La estructura de la escala fue comprobada a través del análisis factorial exploratorio y confirmatorio, utilizando el procedimiento de muestras cruzadas. Los análisis realizados evidencian adecuadas propiedades psicométricas para su uso en estudiantes universitarios manteniendo una estructura de dos factores correlacionados que explican el 53.7% de varianza del constructo. Los valores alfa de Cronbach y omega de McDonald para el factor de Rendimiento Percibido fueron de α = .753 y ω = .787; y para el factor de Autoeficacia Académica de α = .802 y ω = .867. Los resultados permiten considerar que la EAA es un instrumento válido y confiable para evaluar el autoconcepto académico en estudiantes universitarios.
ABSTRACT
The current study aimed to evaluate the psychometric properties of the Academic Self-Concept Scale in a sample of university students from Chile. To that end, a cross-sectional study was conducted and participants were selected through a probabilistic hierarchical method, resulting in a sample size of 1290 students of both genders (57% females and 43% males) with a mean age of 21.03 years. The structure of the scale was checked through an exploratory and confirmatory factor analysis using the cross-sample method. The analysis of the scale showed suitable psychometric properties to be used in university students, while maintaining its two-factor structure that explain 53.7% of the construct´s variance. Cronbach's Alpha and McDonald's Omega regarding the Perceived Performance subscale were α = .753 and ω = .787, and regarding the Academic Self-Efficacy subscale were α = .802 and ω = .867. The results enable us to conclude that the Academic Self-Concept Scale is a valid and reliable instrument to assess academic self-concept in university students.


Full text: Available Index: LILACS (Americas) Type of study: Observational study / Prevalence study Country/Region as subject: South America / Chile Language: Spanish Journal: Liberabit Journal subject: Psychology Year: 2018 Type: Article

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Full text: Available Index: LILACS (Americas) Type of study: Observational study / Prevalence study Country/Region as subject: South America / Chile Language: Spanish Journal: Liberabit Journal subject: Psychology Year: 2018 Type: Article