Resumen

GUIDO GARCIA, Priscila; MUJICA SARMIENTO, Alejandro  y  GUTIERREZ MARTINEZ, Rodolfo. Differences in self-concept by gender in the adolescence: construction and validation of an instrument. liber. [online]. 2011, vol.17, n.2, pp.139-146. ISSN 1729-4827.

The objective of this study were construct a scale to measure and evaluate the self-concept of adolescents and to determine differences in the structure of this construct in relation to sex of participants. The sample consisted in 450 students from three high schools in Mexico City (Mean= 16.65 years). Likert items were developed for four dimensions of self-concept (social, physical, athletic and academic). The results showed Four-dimensional Self-concept Scale for Adolescents (ETAA, by its Spanish acronym) is a measuring instrument with acceptable psychometric properties. There were differences regarding gender the participants only in sports dimension and the weighting of the factors in the structure of the self-concept. Derived from the results we propose the design of intervention programs created for the improvement and strengthening of self-concept, addressing the special needs of adolescents.

Palabras clave : Adolescents; Measurement; Reliability; Self-concept; Validity.

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