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Cómo validar un instrumento: Para la investigación cientÃfica
Paperback
General EducationGeneral ScienceGeneral Sociology
ISBN13: 9786129916330
Publisher: Bioestadistico
Published: Jul 30 2026
Pages: 160
Weight: 0.73
Height: 0.34 Width: 8.00 Depth: 10.00
Language: Spanish
Validar un instrumento no consiste en reunir jueces, calcular un coeficiente y presentar una prueba piloto. Consiste en demostrar que el dato obtenido puede interpretarse, verificarse y utilizarse para tomar decisiones defendibles.
En esta segunda edición de Cómo validar un instrumento: Para la investigación cientÃfica, José Supo presenta una ruta metodológica completa para construir, revisar y validar cuestionarios, escalas e inventarios sin reducir el proceso a procedimientos estadÃsticos aislados.
Mediante el Tablero de Validación, el lector aprenderá a reconocer qué tipo de instrumento necesita, diagnosticar el estado conceptual del constructo y elegir la ruta correcta según la evidencia disponible:
- Partir de una teorÃa formal cuando el constructo está definido.
- Recurrir al juicio de expertos cuando la estructura es parcial.
- Recuperar respuestas de la población cuando todavÃa no existe una teorÃa defendible.
El libro desarrolla, paso a paso, las principales evidencias necesarias para autorizar el uso de un instrumento:
- Elección del cuestionario, escala o inventario según el dato que se desea producir.
- Diagnóstico y delimitación del constructo.
- Validez racional y construcción de matrices de trazabilidad.
- Validación por jueces mediante suficiencia, pertinencia, coherencia y claridad.
- Construcción de Ãtems desde respuestas poblacionales.
- Validez estructural formal, confirmatoria y exploratoria.
- Análisis factorial confirmatorio y exploratorio.
- Fiabilidad, consistencia interna y estabilidad.
- Validez de criterio y rendimiento del sistema de medición.
Además de explicar los fundamentos metodológicos, la obra incluye matrices, rúbricas, instrumentos preliminares, reglas de puntuación y ejemplos aplicados en educación, salud, administración, derecho y otros.
Este libro está dirigido a estudiantes de pregrado y posgrado, tesistas, docentes universitarios, asesores de investigación y profesionales que necesitan construir, adaptar o evaluar instrumentos para investigaciones cientÃficas.
No se trata solamente de obtener un coeficiente alto. Se trata de saber qué se está midiendo, cómo se produce el dato y qué decisiones pueden sostenerse con sus resultados.
Una guÃa para medir mejor, investigar mejor y tomar decisiones con mayor fundamento metodológico.
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