Aplicación del diseño muestral bietápico en la Encuesta Nacional a Instituciones Educativas – ENEDU 2021
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Authors
Ordóñez López, Ruby Emirida
Abstract
El Instituto Nacional de Estadística e Informática viene realizando la Encuesta Nacional a Instituciones Educativas (ENEDU) en el Perú, desde los años 2009 – 2019 y 2021, con la finalidad de obtener información para estimar indicadores que permitan evaluar la aplicación del Programa Logros de Aprendizaje de los Estudiantes de la Educación Básica Regular (EBR), la cual se viene implementando en las instituciones educativas públicas en los niveles de inicial, primaria y secundaria, y servir de base para el diseño y orientación de políticas educativas que permitan el mejoramiento de los logros de aprendizaje. Los procesos utilizados para el diseño muestral constan de seis pasos: el primero fue la definición de la población, que son las instituciones educativas públicas escolarizadas de nivel inicial, primaria y secundaria de la Educación Básica Regular ubicadas en las 26 regiones del país. El segundo fue la identificación del marco muestral la cual fue dividido en 6 grandes estratos a nivel de área geográfica (urbana y rural) y de nivel educativo (inicial, primaria y secundaria). El tercero fue la determinación del método de muestreo para el estudio se realizó un muestreo bietápico, estratificado y de selección independiente en cada estrato. El cuarto fue la determinación del tamaño de muestra siendo un total de 11 279 instituciones educativas, por nivel educativo se tiene: en inicial 4 079, primaria 4 386 y secundaria 2 814 instituciones educativas. El quinto fue la selección del material de la muestra la cual consta de 2 etapas, en la primera etapa se seleccionaron instituciones educativas con un diseño muestral proporcional al tamaño (PPT) y sistemático, y en la segunda etapa la selección de secciones, área curricular y ambientes pedagógicos con un muestreo sistemático simple. El sexto paso es la decisión sobre el tratamiento más adecuado a la falta de respuesta por parte de las personas encuestadas, para ello se tiene que equilibrar la falta de respuesta ajustando las ponderaciones de la muestra.
The National Institute of Statistics and Informatics has been conducting the National Survey of Educational Institutions (ENEDU) in Peru, from 2009 - 2019 and 2021, in order to obtain information to estimate indicators to evaluate the implementation of the Learning Achievement Program for Students in Regular Basic Education (EBR) which is being implemented in public educational institutions at the initial, primary and secondary levels, and serve as a basis for the design and orientation of educational policies that allow the improvement of learning achievements. The process used for the sample design consists of six steps: the first was the definition of the population, which is the public educational institutions at the pre-school, primary and secondary levels of Regular Basic Education located in the 24 departments of the country. The second was the identification of the sample frame, which was divided into 6 large strata at the level of geographic area (urban and rural) and educational level (initial, primary and secondary). The third was the determination of the sampling method for the study, which would be a two-stage, stratified sampling with independent selection in each stratum. The fourth was the determination of the sample size, with a total of 11 279 educational institutions, by educational level: 4 079 in pre-school, 4 386 in primary school and 2 814 in secondary school. The fifth step was the selection of the sample material, which consisted of two stages: in the first stage, educational institutions were selected with a proportional to size (PPT) and systematic sample design, and in the second stage, the selection of sections, curricular area and pedagogical environments with a simple systematic sampling. The sixth step is the decision on the most appropriate treatment of non-response by the respondents, for which non-response has to be balanced by adjusting the sample weights.
The National Institute of Statistics and Informatics has been conducting the National Survey of Educational Institutions (ENEDU) in Peru, from 2009 - 2019 and 2021, in order to obtain information to estimate indicators to evaluate the implementation of the Learning Achievement Program for Students in Regular Basic Education (EBR) which is being implemented in public educational institutions at the initial, primary and secondary levels, and serve as a basis for the design and orientation of educational policies that allow the improvement of learning achievements. The process used for the sample design consists of six steps: the first was the definition of the population, which is the public educational institutions at the pre-school, primary and secondary levels of Regular Basic Education located in the 24 departments of the country. The second was the identification of the sample frame, which was divided into 6 large strata at the level of geographic area (urban and rural) and educational level (initial, primary and secondary). The third was the determination of the sampling method for the study, which would be a two-stage, stratified sampling with independent selection in each stratum. The fourth was the determination of the sample size, with a total of 11 279 educational institutions, by educational level: 4 079 in pre-school, 4 386 in primary school and 2 814 in secondary school. The fifth step was the selection of the sample material, which consisted of two stages: in the first stage, educational institutions were selected with a proportional to size (PPT) and systematic sample design, and in the second stage, the selection of sections, curricular area and pedagogical environments with a simple systematic sampling. The sixth step is the decision on the most appropriate treatment of non-response by the respondents, for which non-response has to be balanced by adjusting the sample weights.
Description
Universidad Nacional Agraria La Molina. Facultad de Economía y Planificación. Departamento Académico de Estadística e Informática
Keywords
Diseño muestral
Citation
Date
2022
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