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Sampling Decision Assistant

The Sampling Decision Assistant was developed as a project for UNHCR in 2018. The tool is designed to help wit...

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Studies to estimate population characteristics versus studies to compare interventions

A two-minute animated video explaining the difference between studies that aim to estimate characteristics of...

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Baseline/endline studies

A one-minute video explaining how baseline/endline studies fit into the distinction between studies that aim t...

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When do you need a representative sample?

An animated video (01:38) which gives a brief summary of when you must use a representative sample. Origina...

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When don't you need a representative sample?

An animated video (01:52) which gives a brief summary of the situations in which you might not need to use a r...

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Limitations of results from non-representative samples

An animated video (00:38) which outlines the limitations of the results you can get from non-representative sa...

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What are sampling weights

An animated video (04:06) which explains what sampling weights are and how they are used. Originally create...