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相关概念视频

Cluster Sampling Method01:20

Cluster Sampling Method

11.8K
Appropriate sampling methods ensure that samples are drawn without bias and accurately represent the population. Because measuring the entire population in a study is not practical, researchers use samples to represent the population of interest.
To choose a cluster sample, divide the population into clusters (groups) and then randomly select some of the clusters. All the members from these clusters are in the cluster sample. For example, if you randomly sample four departments from your...
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Sampling Plans01:23

Sampling Plans

169
Sampling is a crucial step in analytical chemistry, allowing researchers to collect representative data from a large population. Common sampling methods include random, judgmental, systematic, stratified, and cluster sampling.
Random sampling is a method where each member of the population has an equal chance of being selected for the sample. It involves selecting individuals randomly, often using random number generators or lottery-type methods. For example, when analyzing the properties of a...
169
Systematic Sampling Method01:17

Systematic Sampling Method

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Sampling is a technique to select a portion (or subset) of the larger population and study that portion (the sample) to gain information about the population. Data are the result of sampling from a population. The sampling method ensures that samples are drawn without bias and accurately represent the population. Because measuring the entire population in a study is not practical, researchers use samples to represent the population of interest.
Systematic sampling is one of the simplest methods...
10.1K
Stratified Sampling Method01:16

Stratified Sampling Method

11.9K
Sampling is a technique to select a portion (or subset) of the larger population and study that portion (the sample) to gain information about the population. The sampling method ensures that samples are drawn without bias and accurately represent the population. Because measuring the entire population in a study is not practical, researchers use samples to represent the population of interest.
To choose a stratified sample, divide the population into groups called strata and then take a...
11.9K
Convenience Sampling Method00:55

Convenience Sampling Method

8.8K
Sampling is a technique to select a portion (or subset) of the larger population and study that portion (the sample) to gain information about the population. Data are the result of sampling from a population. The sampling method ensures that samples are drawn without bias and accurately represent the population.
Convenience sampling is a non-random method of sample selection; this method selects individuals that are easily accessible and may result in biased data. For example, a marketing...
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Random Sampling Method01:09

Random Sampling Method

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Sampling is a technique to select a portion (or subset) of the larger population and study that portion (the sample) to gain information about the population. Data are the result of sampling from a population. The sampling method ensures that samples are drawn without bias and accurately represent the population. Because measuring the entire population in a study is not practical, researchers use samples to represent the population of interest. Among the various sampling methods used by...
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相关实验视频

Updated: Jun 12, 2025

Visualizing Field Data Collection Procedures of Exposure and Biomarker Assessments for the Household Air Pollution Intervention Network Trial in India
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Visualizing Field Data Collection Procedures of Exposure and Biomarker Assessments for the Household Air Pollution Intervention Network Trial in India

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集群采样方法用于评估免疫覆盖率.

Aishwarya Sharma1, R B Jain2, Jitesh Satija3

  • 1Department of Community Medicine, School of Medical Sciences & Research, Sharda University, Greater Noida 201306, UP, India. aishwarya_712@yahoo.in.

World journal of methodology
|September 23, 2024
PubMed
概括
此摘要是机器生成的。

这项研究发现,86.7%的12-23个月龄的儿童实现了完全免疫接种,这表明尽管有COVID-19大流行,但疫苗覆盖率最佳. 影响免疫接种的关键因素包括出生地和免疫卡的可用性.

关键词:
在COVID 19大流行中,孩子 孩子 孩子 孩子家庭健康 家庭健康免疫接种覆盖范围的覆盖范围常规免疫接种 常规免疫接种疫苗 疫苗是一种疫苗.

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Author Spotlight: Developing a Point-of-Care Hemoglobin Estimation Method for Anemia Management
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相关实验视频

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科学领域:

  • 公共卫生 公共卫生
  • 流行病学 流行病学
  • 儿科 儿科 儿科

背景情况:

  • 免疫接种对于预防传染病至关重要,也是医疗保健的基本组成部分.
  • 随着COVID-19大流行,医疗系统受到破坏,导致儿童疫苗接种被错过.
  • 基本的儿童疫苗对于公共卫生和疾病控制至关重要.

研究的目的:

  • 评估农村Dighal.在12-23个月的儿童免疫覆盖率.
  • 确定影响研究群体免疫率的因素.
  • 评估COVID-19大流行对儿童疫苗接种的影响.

主要方法:

  • 在覆盖率评估调查中使用了世界卫生组织标准的30集群采样技术.
  • 免疫数据从300名12-23个月龄的儿童的免疫卡中收集.
  • 这项研究是在2020/2021年进行的,这一时期被COVID-19相关的医疗服务中断所标志.

主要成果:

  • 86.7%的儿童获得了完全免疫;9%的儿童获得了部分免疫,4.3%的儿童没有免疫.
  • 完全免疫接种中断率为4.2%.
  • 免疫状态的重要预测因素包括出生地 (P=0.014) 和免疫卡的可用性 (P<0.001). 不完全接种疫苗的常见原因包括孕产妇的疾病,疫苗不可用以及儿童的疾病.

结论:

  • 尽管有COVID-19流行病相关的干扰,但研究区域的免疫覆盖率是最佳的,超过了全国平均水平.
  • 研究结果表明,即使在公共卫生危机期间,免疫计划也可以保持高覆盖率.
  • 诸如出生地和获得免疫卡等因素对于确保儿童完全接种疫苗至关重要.