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Revista Ciencias de la Salud
versión impresa ISSN 1692-7273versión On-line ISSN 2145-4507
Resumen
IBANEZ PINILLA, Milcíades. Conceptuals Mentefactos as a Didactic-Pedagogical Strategy of the Basic Concepts in the Sampling Theory Applyed to the Health Research. Rev. Cienc. Salud [online]. 2006, vol.4, n.2, pp.62-72. ISSN 1692-7273.
In populational sampling it is vitally important to clarify and discern: first, the design or sampling method used to solve the research problem; second, the sampling size, taking into account different components (precision, relia- bility, variance); third, random selection and fourth, the precision estimate (sampling errors), so as to determine if it is possible to infer the obtained estimates from the target population. The existing difficulty to use concepts from the sampling theory is to understand them with absolute clarity and, to achieve it, the help from didactic-pedagogical strategies arranged as conceptual mentefactos (simple hierarchic diagrams organized from propositions) may prove useful. This paper presents the conceptual definition, through conceptual mentefactos, of the most important populational probabilistic sampling concepts, in order to obtain representative samples from populations in health research.
Palabras clave : Conceptual Mentefacto; Probabilistic Sampling; Reliability; Precision.