Cómo elegir una prueba estadÃstica: 6 criterios para seleccionar procedimientos estadÃsticos en tesis y artÃculos cientÃficos
Paperback
Medical ReferenceGeneral ScienceProbability & Statistics
ISBN13: 9786129916347
Publisher: Bioestadistico
Published: Sep 1 2026
Pages: 162
Weight: 0.74
Height: 0.35 Width: 8.00 Depth: 10.00
Language: Spanish
Qué prueba estadÃstica corresponde realmente a tu investigación?
Elegir una prueba estadÃstica no deberÃa consistir en buscar una tabla, memorizar nombres o probar diferentes procedimientos hasta encontrar un valor p significativo. La elección correcta comienza mucho antes del cálculo: en la pregunta cientÃfica, el objetivo del análisis y la estructura real de los datos. Cómo elegir una prueba estadÃstica - Segunda edición presenta una ruta metodológica para pasar del problema de investigación al procedimiento estadÃstico adecuado de manera ordenada, comprensible y justificable. El libro desarrolla un sistema basado en seis criterios de decisión: 1. El nivel investigativo3. El tipo de variable
4. El tipo de estudio
5. El diseño de investigación
6. El comportamiento de los datos A partir de estos criterios aprenderás a distinguir cuándo corresponde describir, comparar, asociar, correlacionar, explicar o predecir; cómo reconocer variables categóricas y numéricas; cómo diferenciar observaciones independientes y relacionadas; y cómo incorporar correctamente las condiciones y supuestos de los datos. No se trata de elegir una prueba por su nombre, sino de comprender por qué corresponde utilizarla. A lo largo del libro se abordan procedimientos para variables categóricas y numéricas, comparación de grupos, mediciones relacionadas, estudios transversales y longitudinales, diseños de prevalencia, casos y controles, cohortes y estudios experimentales, además de normalidad, homogeneidad de varianzas, frecuencias esperadas, valores atÃpicos y datos faltantes. La obra incluye además casos de aplicación integrada que muestran cómo recorrer los seis criterios hasta llegar a una decisión estadÃstica defendible. Está dirigido a estudiantes de pregrado y posgrado, tesistas, docentes, investigadores y profesionales que necesitan seleccionar procedimientos estadÃsticos con fundamento metodológico. La estadÃstica comienza antes de abrir el software. Si quieres dejar de elegir pruebas mediante tablas memorizadas y aprender una ruta lógica que puedas aplicar y justificar en tus investigaciones, este libro fue escrito para acompañarte en ese proceso.
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