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array:23 [ "pii" => "S0034745014600779" "issn" => "00347450" "doi" => "10.1016/S0034-7450(14)60077-9" "estado" => "S350" "fechaPublicacion" => "2012-03-01" "aid" => "60077" "copyright" => "Asociación Colombiana de Psiquiatría" "copyrightAnyo" => "2012" "documento" => "article" "crossmark" => 0 "subdocumento" => "fla" "cita" => "Rev Colomb Psiquiatr. 2012;41:197-207" "abierto" => array:3 [ "ES" => true "ES2" => true "LATM" => true ] "gratuito" => true "lecturas" => array:2 [ "total" => 1737 "formatos" => array:3 [ "EPUB" => 46 "HTML" => 986 "PDF" => 705 ] ] "itemSiguiente" => array:18 [ "pii" => "S0034745014600780" "issn" => "00347450" "doi" => "10.1016/S0034-7450(14)60078-0" "estado" => "S350" "fechaPublicacion" => "2012-03-01" "aid" => "60078" "copyright" => "Asociación Colombiana de Psiquiatría" "documento" => "article" "crossmark" => 0 "subdocumento" => "crp" "cita" => "Rev Colomb Psiquiatr. 2012;41:208-16" "abierto" => array:3 [ "ES" => true "ES2" => true "LATM" => true ] "gratuito" => true "lecturas" => array:2 [ "total" => 10897 "formatos" => array:3 [ "EPUB" => 62 "HTML" => 1129 "PDF" => 9706 ] ] "es" => array:11 [ "idiomaDefecto" => true "cabecera" => "<span class="elsevierStyleTextfn">Reporte de caso</span>" "titulo" => "Delirios de embarazo y pseudociesis: una breve aproximación" "tienePdf" => "es" "tieneTextoCompleto" => 0 "tieneResumen" => array:2 [ 0 => "es" 1 => "en" ] "paginas" => array:1 [ 0 => array:2 [ "paginaInicial" => "208" "paginaFinal" => "216" ] ] "titulosAlternativos" => array:1 [ "en" => array:1 [ "titulo" => "Pregnancy Delusions and Pseudocyesis: Brief Approach" ] ] "contieneResumen" => array:2 [ "es" => true "en" => true ] "contienePdf" => array:1 [ "es" => true ] "autores" => array:1 [ 0 => array:2 [ "autoresLista" => "Lizardo Cruzado-Díaz, Vanessa Herrera-López, Mileny Perales-Salazar" "autores" => array:3 [ 0 => array:2 [ "nombre" => "Lizardo" "apellidos" => "Cruzado-Díaz" ] 1 => array:2 [ "nombre" => "Vanessa" "apellidos" => "Herrera-López" ] 2 => array:2 [ "nombre" => "Mileny" "apellidos" => "Perales-Salazar" ] ] ] ] ] "idiomaDefecto" => "es" "EPUB" => "https://multimedia.elsevier.es/PublicationsMultimediaV1/item/epub/S0034745014600780?idApp=UINPBA00004N" "url" => "/00347450/0000004100000001/v1_201407150817/S0034745014600780/v1_201407150817/es/main.assets" ] "itemAnterior" => array:18 [ "pii" => "S0034745014600767" "issn" => "00347450" "doi" => "10.1016/S0034-7450(14)60076-7" "estado" => "S350" "fechaPublicacion" => "2012-03-01" "aid" => "60076" "copyright" => "Asociación Colombiana de Psiquiatría" "documento" => "article" "crossmark" => 0 "subdocumento" => "fla" "cita" => "Rev Colomb Psiquiatr. 2012;41:185-96" "abierto" => array:3 [ "ES" => true "ES2" => true "LATM" => true ] "gratuito" => true "lecturas" => array:2 [ "total" => 884 "formatos" => array:3 [ "EPUB" => 40 "HTML" => 405 "PDF" => 439 ] ] "es" => array:11 [ "idiomaDefecto" => true "cabecera" => "<span class="elsevierStyleTextfn">Epistemología filosofía de la mente y bioética</span>" "titulo" => "El desarrollo conceptual de la ciencia cognitiva. 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Part II" ] ] "contieneResumen" => array:2 [ "es" => true "en" => true ] "contienePdf" => array:1 [ "es" => true ] "autores" => array:1 [ 0 => array:2 [ "autoresLista" => "Marco Fierro" "autores" => array:1 [ 0 => array:2 [ "nombre" => "Marco" "apellidos" => "Fierro" ] ] ] ] ] "idiomaDefecto" => "es" "EPUB" => "https://multimedia.elsevier.es/PublicationsMultimediaV1/item/epub/S0034745014600767?idApp=UINPBA00004N" "url" => "/00347450/0000004100000001/v1_201407150817/S0034745014600767/v1_201407150817/es/main.assets" ] "es" => array:16 [ "idiomaDefecto" => true "cabecera" => "<span class="elsevierStyleTextfn">Metodología de investigación y lectura crítica de estudios</span>" "titulo" => "Introducción al análisis factorial exploratorio" "tieneTextoCompleto" => 0 "paginas" => array:1 [ 0 => array:2 [ "paginaInicial" => "197" "paginaFinal" => "207" ] ] "autores" => array:1 [ 0 => array:4 [ "autoresLista" => "Carolina Méndez Martínez, Martín Alonso Rondón Sepúlveda" "autores" => array:2 [ 0 => array:4 [ "nombre" => "Carolina Méndez" "apellidos" => "Martínez" "email" => array:1 [ 0 => "lilia.mendez@javeriana.edu.co" ] "referencia" => array:2 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">1</span>" "identificador" => "aff1" ] 1 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">*</span>" "identificador" => "cor1" ] ] ] 1 => array:3 [ "nombre" => "Martín Alonso Rondón" "apellidos" => "Sepúlveda" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">2</span>" "identificador" => "aff2" ] ] ] ] "afiliaciones" => array:2 [ 0 => array:3 [ "entidad" => "Nutricionista dietista, candidata a Maestría en Epidemiología Clínica, docente de cátedra del Departamento de Nutrición y Dietética, Facultad de Ciencias, Pontificia Universidad Javeriana. Clínica de Obesidad, Hospital Universitario de San Ignacio, Bogotá, Colombia" "etiqueta" => "1" "identificador" => "aff1" ] 1 => array:3 [ "entidad" => "Estadístico, Maestría en Bioestadística, profesor asociado, Departamento de Epidemiología Clínica y Bioestadística, Facultad de Medicina, Pontificia Universidad Javeriana, Bogotá, Colombia" "etiqueta" => "2" "identificador" => "aff2" ] ] "correspondencia" => array:1 [ 0 => array:3 [ "identificador" => "cor1" "etiqueta" => "*" "correspondencia" => "Correspondencia: Carolina Méndez Martínez, Pontificia Universidad Javeriana, Carrera 7 No. 40-62, piso 6, Bogotá, Colombia" ] ] ] ] "titulosAlternativos" => array:1 [ "en" => array:1 [ "titulo" => "Introduction to Exploratory Factor Analysis (EFA)" ] ] "pdfFichero" => "main.pdf" "tienePdf" => true "fechaRecibido" => "2011-10-25" "fechaAceptado" => "2012-02-20" "PalabrasClave" => array:2 [ "es" => array:1 [ 0 => array:4 [ "clase" => "keyword" "titulo" => "Palabras clave" "identificador" => "xpalclavsec333566" "palabras" => array:4 [ 0 => "Análisis factorial" 1 => "validez de pruebas" 2 => "evaluación" 3 => "metodología" ] ] ] "en" => array:1 [ 0 => array:4 [ "clase" => "keyword" "titulo" => "Key words" "identificador" => "xpalclavsec333565" "palabras" => array:4 [ 0 => "Statistical factor analysis" 1 => "validity of tests" 2 => "evaluation" 3 => "methodology" ] ] ] ] "tieneResumen" => true "resumen" => array:2 [ "es" => array:2 [ "titulo" => "Resumen" "resumen" => "<span class="elsevierStyleSectionTitle" id="cestitle20">Introducción</span><p id="spara10" class="elsevierStyleSimplePara elsevierViewall">El análisis factorial exploratorio (AFE) se ha convertido en una de las técnicas estadísticas más utilizadas en la actualidad, especialmente en las áreas médicas y sociales. Dada esta popularidad, es fundamental conocer y, a la vez, profundizar en los conceptos básicos necesarios para su correcta aplicación, considerando las principales fortalezas y debilidades que presenta esta técnica.</p> <span class="elsevierStyleSectionTitle" id="cestitle30">Objetivo</span><p id="spara20" class="elsevierStyleSimplePara elsevierViewall">Presentar de una manera clara y concisa cuáles son las principales aplicaciones de esta técnica, así como determinar los requisitos básicos para su utilización, hacer una descripción paso a paso de su metodología y establecer cuáles son los elementos que se deben tener en cuenta durante su elaboración, con el fin de no incurrir en resultados e interpretaciones erróneas.</p> <span class="elsevierStyleSectionTitle" id="cestitle40">Metodología</span><p id="spara30" class="elsevierStyleSimplePara elsevierViewall">Revisión narrativa.</p> <span class="elsevierStyleSectionTitle" id="cestitle50">Desarrollo</span><p id="spara40" class="elsevierStyleSimplePara elsevierViewall">En esta revisión se identificaron los conceptos básicos y se hizo una breve descripción de los objetivos, diseño, supuestos, metodología para derivar los factores y evaluar el ajuste global, así como de la adecuada interpretación de los resultados.</p>" ] "en" => array:2 [ "titulo" => "Abstract" "resumen" => "<span class="elsevierStyleSectionTitle" id="cestitle70">Introduction</span><p id="spara50" class="elsevierStyleSimplePara elsevierViewall">Exploratory Factor Analysis (EFA) has become one of the most frequently used statistical techniques, especially in the medical and social sciences. Given its popularity, it is essential to understand the basic concepts necessary for its proper application and to take into consideration the main strengths and weaknesses of this technique.</p> <span class="elsevierStyleSectionTitle" id="cestitle80">Objective</span><p id="spara60" class="elsevierStyleSimplePara elsevierViewall">To present in a clear and concise manner the main applications of this technique, to determine the basic requirements for its use providing a description step by step of its methodology, and to establish the elements that must be taken into account during its preparation in order to not incur in erroneous results and interpretations.</p> <span class="elsevierStyleSectionTitle" id="cestitle90">Methodology</span><p id="spara70" class="elsevierStyleSimplePara elsevierViewall">Narrative review.</p> <span class="elsevierStyleSectionTitle" id="cestitle100">Development</span><p id="spara80" class="elsevierStyleSimplePara elsevierViewall">This review identifies the basic concepts and briefly describes the objectives, design, assumptions, and methodology to achieve factor derivation, global adjustment evaluation, and adequate interpretation of results.</p>" ] ] "NotaPie" => array:1 [ 0 => array:1 [ "nota" => "<p class="elsevierStyleNotepara" id="cenpara10">Conflictos de interés: Los autores manifiestan que no tienen conflictos de interés en este artículo.</p>" ] ] "bibliografia" => array:2 [ "titulo" => "Referencias" "seccion" => array:1 [ 0 => array:2 [ "identificador" => "cebibsec10" "bibliografiaReferencia" => array:14 [ 0 => array:3 [ "identificador" => "bib1" "etiqueta" => "1" "referencia" => array:1 [ 0 => array:2 [ "contribucion" => array:1 [ 0 => array:1 [ "autores" => array:1 [ 0 => array:2 [ "etal" => false "autores" => array:2 [ 0 => "RM Catena" 1 => "H Trujillo" ] ] ] ] ] "host" => array:1 [ 0 => array:1 [ "Libro" => array:4 [ "titulo" => "Análisis Multivariado: un manual para investigadores" "fecha" => "2003" "editorial" => "Biblioteca Nueva" "editorialLocalizacion" => "Madrid" ] ] ] ] ] ] 1 => array:3 [ "identificador" => "bib2" "etiqueta" => "2" "referencia" => array:1 [ 0 => array:2 [ "contribucion" => array:1 [ 0 => array:1 [ "autores" => array:1 [ 0 => array:2 [ "etal" => false "autores" => array:1 [ 0 => "R Gorsuch" ] ] ] ] ] "host" => array:1 [ 0 => array:1 [ "Libro" => array:5 [ "edicion" => "2<span class="elsevierStyleSup">nd</span> ed." 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