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El objetivo del estudio fue explorar si la imagen corporal de adolescentes mujeres se ve afectada por las imagenes presentadas por los medios de comunicacion. Interesaba conocer si existian diferencias en el impacto medial segun edad, nivel socioeconomico (NSE) del colegio, curso, tipo de colegio (femenino/mixto) y regimen del mismo (religioso/laico). Se aplico el cuestionario IMAMIF (Larrain, Camus, Orellana & Arrieta, 2009) a una muestra por conveniencia de 923 adolescentes mujeres de 12 establecimientos educacionales de Santiago de Chile pertenecientes a 7o basico y 1o y 3o medio. Se uso la prueba de Kruskal-Wallis para detectar posibles diferencias en el puntaje total del instrumento y sus dimensiones Objetivacion Corporal, Dieta Patologica y Disconformidad Corporal y luego pruebas post-hoc para direccionar estas diferencias. En la dimension Objetivacion Corporal las adolescentes de colegios de NSE bajo obtienen puntajes mas altos y las ninas de 7o basico puntuan mas bajo que las de ensenanza media. Finalmente, las jovenes de colegios religiosos femeninos puntuan mas bajo que las de colegios religiosos mixtos, laicos femeninos y laicos mixtos. Palabras clave: adolescencia, imagen corporal, medios de comunicacion The purpose of this study was to explore if body image among female adolescents is affected by the images that the mass media presents. The interest was to identify any differences in media impact related to age, socioeconomic status (SES), grade, school type (female/coeducational) and school regime (religious/non-religious). The IMAMIF questionnaire (Larrain Camus, Orellana, & Arrieta, 2009) was applied to a convenience sample of 923 7th, 9th, and 11th grade teenage female highschool students from 12 schools in Santiago, Chile. The Kruskal-Wallis test was used to establish possible differences in the total score and in the Body Objectification, Pathological Diet and Body Dissatisfaction dimensions. Post hoc tests were used to explore the direction of these differences. Teenagers from the lowest SES obtained higher scores on the Body Objectification dimension and 7 th grade girls displayed lower scores compared to 9th and 11th grade ones. Finally, girls from single-sex religiously-oriented schools scored lower than those from coeducational religiously-oriented schools and from both single-sex and coeducational non-religious schools.

Impacto de Imágenes Femeninas Presentadas por los Medios de Comunicación en Adolescentes Mujeres de la Región Metropolitana de Santiago de Chile