Evaluación de las experiencias de tipo psicótico en adolescentes españoles: Baremación del Prodromal Questionnaire-Brief (PQ-B)

2021 
Assessment of psychotic-like experiences in Spanish adolescents: Normative data of the Prodromal Questionnaire-Brief (PQ-B) Abstract : The main objective of this work was to establish the normative data of the Prodromal Questionnaire-Brief (PQ-B) in a representative sample of Spanish adolescents. A total of 3,441 adolescents (M = 15.91 years, SD = 1.33 years) were selected by sampling stratified by clusters. The results showed that the point prevalence of psychotic-like experiences varied between 12% and 48%. An 82.9% of the sample reported at least one attenuated psychotic-like experience. Percentile norms were made for the total score and according to gender. The PQ-B is a brief, simple, useful measuring instrument with adequate psychometric properties for the assessment of subclinical psychosis phenotype in the Spanish adolescent population. It is transcendental that the psychologists have adequate tools for a reliable and valid assessment of this phenomenon in order to make informed decisions and optimize educational and socio-health resources. Keywords : Psychosis; psychotic experiences; adolescents; youth; validation; norms. Resumen : El principal objetivo de este trabajo fue baremar el Cuestionario de Prodromos-Breve (Prodromal Questionnaire- Brief, PQ-B) a partir de una muestra representativa de adolescentes espanoles. Un total de 3441 adolescentes (M = 15.91 anos, DT = 1.33 anos) fueron seleccionados mediante muestreo estratificado por conglomerados. Los resultados mostraron que la prevalencia puntual de experiencias psicoticas oscilo entre el 12% y el 48%. Un 82.9% de la muestra refirio al menos una experiencia psicotica atenuada. Los baremos tipo percentiles se confeccionaron para la puntuacion total y en funcion del genero. El PQ-B es un instrumento de medida breve, sencillo, util y con adecuadas propiedades psicometricas para la valoracion de las experiencias de tipo psicotico en poblacion adolescente espanola. Es transcendental que el profesional de la psicologia disponga de adecuadas herramientas para la evaluacion fiable y valida de este fenomeno de cara a tomar decisiones fundamentadas y optimizar los recursos educativos y socio-sanitarios. Palabras clave : Psicosis; experiencias de tipo psicotico; adolescentes; jovenes; validacion; baremacion.
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