{"id":84393,"date":"2000-05-05T00:00:00","date_gmt":"2000-05-05T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/un-modelo-psicometrico-para-a%c2%adtems-de-opcion-multiple\/"},"modified":"2000-05-05T00:00:00","modified_gmt":"2000-05-05T00:00:00","slug":"un-modelo-psicometrico-para-a%c2%adtems-de-opcion-multiple","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/psicologia\/un-modelo-psicometrico-para-a%c2%adtems-de-opcion-multiple\/","title":{"rendered":"Un modelo psicom\u00e9trico para \u00edtems de opcion multiple"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Javier Revuelta Menendez <\/strong><\/h2>\n<p>El objetivo de la tesis es proponer un modelo estad\u00edstico para el analisis de datos procedentes de items de opci\u00f3n multiple, que resultan muy populares en examenes psicol\u00f3gicos y educativos. El modelo se basa en consideraciones psicol\u00f3gicas acerca del proceso de respuesta. Los \u00edtems de opci\u00f3n m\u00faltiple se componen de un enunciado y varias alternativas de respuesta, de las cuales solo unas se considera correcta. La tarea del sujeto consiste en escoger una unica alternativa de respuesta, la que crea que es correcta.  los par\u00e1metros del modelo son el nivel de capacidad del sujeto y la dificultad de las alternativas incorrectas. Se asume que la probabilidad de escoger la alternativa correcta es mon\u00f3tona creciente en la habilidad del sujeto. la dificultad de cada alternativa incorrecta depende del nivel de habilidad requerido para detectarla y rechazarla. Se utiliza la informaci\u00f3n completa de la matriz de respuestas para estimar ambos parametros.  adem\u00e1s se describe la inferencia estad\u00edstica en un marco bayesiano. La estimaci\u00f3n se realiza maximizando la densidad posterior de los par\u00e1metros mediante un algoritmo em. La evaluaci\u00f3n del modelo consiste en aproximar la distribuci\u00f3n predictiva posterior de diversos estadisticos mediante simulaci\u00f3n mcmc.  como ejemplo de aplicaci\u00f3n se analiza una muestra de respuestas a un test psicol\u00f3gico que mide la capacidad de analisis l\u00f3gico del sujeto. Los estimadores permiten obtener conclusiones acerca del efecto del contenido de los \u00edtems en su dificultad.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Un modelo psicom\u00e9trico para \u00edtems de opcion multiple<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Un modelo psicom\u00e9trico para \u00edtems de opcion multiple <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Javier Revuelta Menendez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Aut\u00f3noma de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 05\/05\/2000<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Vicente Ponsoda Gil<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: rafael San martin castellanos <\/li>\n<li>Jos\u00e9 Mu\u00f1iz fernandez (vocal)<\/li>\n<li>james Juola (vocal)<\/li>\n<li>carmen Santisteban requena (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Javier Revuelta Menendez El objetivo de la tesis es proponer un modelo estad\u00edstico para el analisis de [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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