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Muestreo de personas, redes y registros

James M Lepkowski

Para hacer una buena recopilación de datos se necesitan buenas muestras. Pero las muestras pueden elegirse de muchas maneras. Pueden ser selecciones fortuitas o convenientes de personas, registros, redes u otras unidades, pero uno se cuestiona la calidad de tales muestras, especialmente cómo se relacionan estos métodos de selección con el hecho de sacar buenas conclusiones sobre una población tras la recopilación y el análisis de los datos. Las muestras pueden seleccionarse con más cuidado según el criterio del investigador, pero entonces uno se pregunta si ese criterio puede estar sesgado por factores personales. Las muestras también pueden extraerse de forma estadísticamente rigurosa y meticulosa, utilizando métodos de selección y control aleatorios para proporcionar una sólida representación y costos controlados. Este último tipo de muestras es el que se analizará en este curso. Examinaremos el muestreo aleatorio simple que puede utilizarse para el muestreo de personas o registros, el muestreo por conglomerados que puede utilizarse para el muestreo de grupos de personas, registros o redes, la estratificación que puede aplicarse a las muestras aleatorias simples y por conglomerados, la selección sistemática y las muestras estratificadas multietapa. El curso concluye con una breve descripción de cómo estimar y resumir la incertidumbre del muestreo aleatorio.

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What's inside

Syllabus

Módulo 1: El muestreo como herramienta de investigación

Mera aleatorización

Ahorrar dinero mediante el muestreo por conglomerados

Utilizar datos auxiliares para ser más eficiente

Muestreo simplificado

Reunirlo todo

Good to know

Know what's good

, what to watch for

, and possible dealbreakers

Mejor forma de extraer datos de un conjunto de muestra

Enseña cómo seleccionar muestras aleatorias para la investigación

Explica los métodos de selección de muestras para diversos tipos de datos

Proporciona una base sólida para la investigación basada en encuestas

Impartido por expertos en el campo de la investigación de encuestas

El curso puede requerir conocimientos previos en estadística y análisis de datos

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Career center

Learners who complete Muestreo de personas, redes y registros will develop knowledge and skills that may be useful to these careers:

Investment Analyst

Investment Analysts study financial data to make recommendations on investments. This course can help Investment Analysts develop skills in selecting samples, which can lead to more accurate and reliable investment recommendations. This course may be especially helpful for Investment Analysts who work with survey data.

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Financial Analyst

Financial Analysts study financial data to make recommendations on investments. This course can help Financial Analysts develop skills in selecting samples, which can lead to more accurate and reliable investment recommendations. This course may be especially helpful for Financial Analysts who work with survey data.

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Insurance Underwriter

Insurance Underwriters assess the risk of insuring individuals and businesses. This course can help Insurance Underwriters develop skills in selecting samples, which can lead to more accurate and reliable risk assessments. This course may be especially helpful for Insurance Underwriters who work with survey data.

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Risk Analyst

Risk Analysts identify and assess risks to businesses and organizations. This course can help Risk Analysts develop skills in selecting samples, which can lead to more accurate and reliable risk assessments. This course may be especially helpful for Risk Analysts who work with survey data.

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Quantitative Analyst

Quantitative Analysts use mathematics and statistics to analyze financial data. This course can help Quantitative Analysts develop skills in selecting samples, which can lead to more accurate and reliable financial models. This course may be especially helpful for Quantitative Analysts who work with survey data.

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Actuary

Actuaries use mathematics to assess risk and uncertainty. This course can help Actuaries develop skills in selecting samples, which can lead to more accurate and reliable risk assessments. This course may be especially helpful for Actuaries who work with insurance or financial data.

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Demographer

Demographers study population trends. This course can help Demographers develop skills in selecting samples, which can lead to more representative and reliable data. This course may be especially helpful for Demographers who work with survey data.

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Social Scientist

Social Scientists study human behavior and society. This course can help Social Scientists develop skills in selecting samples, which can lead to more representative and reliable data. This course may be especially helpful for Social Scientists who work with survey data.

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Epidemiologist

Epidemiologists study the causes and spread of disease. This course can help Epidemiologists develop skills in selecting samples, which can lead to more representative and reliable data. This course may be especially helpful for Epidemiologists who work with survey data.

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Public Health Researcher

Public Health Researchers study the health of populations and develop programs to improve it. This course can help Public Health Researchers develop skills in selecting samples, which can lead to more representative and reliable data. This course may be especially helpful for Public Health Researchers who work with survey data.

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Survey Researcher

Survey Researchers design and conduct surveys to collect data on a wide range of topics. This course can help Survey Researchers develop skills in selecting samples, which can lead to more representative and reliable data. This course may be especially helpful for Survey Researchers who work with complex sampling designs.

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Statistician

Statisticians use data to make inferences about the world. This course can help Statisticians develop skills in selecting samples, which can lead to more accurate and reliable inferences. This course may be especially helpful for Statisticians who work with survey data.

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Data Analyst

Data Analysts use data to help businesses understand their customers, improve their products, and make better decisions. This course provides a foundation in sampling techniques, which can help Data Analysts select the right data to use in their analyses. This course may be especially helpful for Data Analysts who work with survey data.

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Business Analyst

Business Analysts study an organization's business operations and analyze and evaluate data to improve its efficiency. This course can help Business Analysts develop skills in selecting samples for analysis, which can lead to more informed recommendations for optimizing business processes.

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Market Research Analyst

Market Research Analysts study consumer behavior and trends, which are critical considerations for any business. They design and carry out surveys to gather this data. This course introduces the techniques of sampling people for surveys, which can help Market Research Analysts develop more efficient and effective studies. This course may be especially helpful for those interested in the survey design aspect of this role.

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Reading list

We've selected eight books that we think will supplement your learning. Use these to develop background knowledge, enrich your coursework, and gain a deeper understanding of the topics covered in Muestreo de personas, redes y registros.

Sampling