1. How Stratified Random Sampling Works, with Examples - Investopedia
Stratified random sampling is a method of sampling that involves the division of a population into smaller groups known as strata.
2. Analyzing DHS Data - The DHS Program
Stratification is the process by which the sampling frame is divided into subgroups or strata that are as homogeneous as possible using certain criteria. Within ...
It is important that analysts be familiar with certain key aspects of DHS data to be able to calculate accurately the indicators described in further chapters. The following sections describe some of the key elements to pay attention to in analyzing DHS data.
3. What Are the 7 Basic Quality Tools? | Lucidchart Blog
Stratification analysis is a quality assurance tool used to sort data, objects, and people into separate and distinct groups. Separating your data using ...
No matter what methodology you use or what industry you serve, the seven basic tools of quality can help you continuously improve your processes. Learn about these quality management tools and find templates to start using them quickly.
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4. [PDF] NCQA Race and Ethnicity Stratification - Data Learning Network
Questions focused on how health equity is defined and operationalized; how race/ethnicity data are sourced; processes for collecting and integrating the data ...
5. Quiz
They are ways to deal with randomness in the data that random sampling produces. What distinguishes stratified sampling from oversampling? a. Stratified ...
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6. [PDF] Data-Driven Care Delivery - IFDHE - American Hospital Association
This first toolkit of our series focuses on approaches to promote data collection and stratification to improve patient outcomes. Look for additional IFDHE ...
7. Describing Epidemiologic Data | Epidemic Intelligence Service - CDC
Dec 13, 2018 · This task, called descriptive epidemiology, answers the following questions about disease, injury, or environmental hazard occurrence: What? How ...
Field epidemiologists collect and assess data from field investigations, surveillance systems, vital statistics, or other sources to answer questions about disease, injury, or environmental hazard occurrence.
8. Designs for the combination of group- and individual-level data - PMC
The following describes four general classes of such designs and their statistical methods. Aggregate data methods. Suppose one has access to the number of ...
Studies of ecologic or aggregate data suffer from a broad range of biases when scientific interest lies with individual-level associations. To overcome these biases, epidemiologists can choose from a range of designs that combine these group-level data ...
9. PCORI Methodology Standards
Nov 12, 2015 · In the protocol and study reports, describe the finalized trial collaborative and data sets, including the following: Roles, relationships ...
To date, the Methodology Committee has created or endorsed Methodology Standards that provide guidance in 16 topic areas, for a total of 65 standards.
10. [PDF] Guidelines for Working With Small Numbers
Omission of stratification variables. When neither of these methods (aggregation of data values to create coarser granularity or cell suppression) is ...