0000000000736004
AUTHOR
Maria Antonia Barberá-fons
Genetic and environmental contributions to perfectionism and its common factors
Abstract The aims of this study: (1) To evaluate the relative contributions of genetics and environment to perfectionism and it's two constructs: self-oriented, and socially prescribed perfectionism. (2) To clarify genetic and environmental common origins of both personal and social components. Methods: Participants were 258 pairs of adolescent Spanish twins. Socially prescribed and self-oriented perfectionism were assessed using the perfectionism subscale of the Eating Disorder Inventory. Statistics: univariate and bivariate twin models, according to sex. Results; Heritability of self-oriented perfectionism was 23% in boys and 30% in girls, and of socially prescribed perfectionism 39% in b…
Influencias genéticas y ambientales en rasgos psicológicos y actitudes alimentarias en una población escolar española
Resumen Introduccion La heredabilidad de los trastornos de la conducta alimentaria, como la anorexia nerviosa y la bulimia nerviosa, se ha estimado alrededor del 22% al 62%. El objetivo del presente trabajo es determinar la influencia de los factores geneticos y ambientales que contribuyen en la expresion de los factores psicologicos medidos a traves del Eating Disorders Inventory , en funcion del sexo, en adolescentes de la Comunidad Valenciana (Espana). Material y metodos Quinientas ochenta y cuatro parejas de gemelos de 13 a 18 anos de edad. Para determinar la cigosidad los profesores rellenaron un cuestionario de similitud fisica. Se aplicaron las subescalas del Eating Disorders Invento…
Genetic and environmental influences on psychological traits and eating attitudes in a sample of Spanish schoolchildren.
Introduction: The heritability of eating disorders has been estimated to range from 22% to over 62%.The aim of this study is to determine the relative influence of genetics and environment that contribute to the drive for thinness, body dissatisfaction, perfectionism, and ineffectiveness, by evaluating sex differences in a sample of adolescent twins from Valencia, Spain. Material and methods: Five hundred eighty-four pairs of adolescent twins between 13 and 18 years of age completed the study. To determine zygosity, teachers responded to a questionnaire on physical similarity. Psychological traits of eating disorders were assessed with four sub-scales of the Eating Disorder Inventory (EDI);…