RightSize and Micronutrient Malnutrition Case Study
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This micronutrient malnutrition case study is based on a national survey conducted in Azerbaijan in 1996. The training incorporates RightSize, a computer software tool that calculates sample size.
Aim of the Project
The aim of the project is to develop training and to demonstrate tools that would give a general overview of the process of designing and conducting surveys. These tools would assist in making appropriate survey design choices, illustrate the effect of choices made in determining sample size, and outline survey design methods.
What is RightSize?
RightSize is a computer software tool that assists users in calculating sample size for surveys. It reinforces the choices and assumptions necessary to make the appropriate calculations for sample size. It requires the user to input target population size, expected proportion of population with the condition of interest, and desired confidence interval and confidence coefficient. For cluster surveys, the user must estimate the design effect and rate of homogeneity.
What is the Micronutrient Malnutrition Case Study?
The Micronutrient Malnutrition Case Study is an interactive computer-based training founded on a national survey conducted in Azerbaijan in 1996 that covered the proportion of anemia and other health determinants in the population.
Learning Objectives
- Primary focus — Determine survey methodology and sample size and choose survey sample.
- Secondary focus — Define the objectives for a survey, collect the data, analyze results, and make recommendations.
Target Audience
Epidemiologists and other health professionals who conduct national level surveys, particularly focusing on cluster surveys in national level nutritional surveys.
Key Features
- RightSize users can vary assumptions made about their survey and see the effects on the costs and precision of the survey in both text and graphical format.
- An interactive case study is incorporated in the RightSize software. It provides 3–4 hours of self-study training that can also be used in a classroom setting.
This project was created in cooperation with the CDC, Division of International Health.
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Page last updated: May 22, 2007
Content Source: Division of Nutrition, Physical Activity and Obesity, National Center for Chronic Disease Prevention and Health Promotion