Washington Group Blog

Basic Guide to Sampling for Disability Surveys
August 9 2017

This blog discusses some basic guidance on how to determine an appropriate sample size for surveys collecting information on people with disabilities. Sample size depends on the purpose of the analysis, the intended degree of disaggregation, and the level of accuracy desired.

Using the Washington Group Questions to Monitor Inclusion of Persons with Disabilities in Nepal, Cameroon, India and Guatemala
July 24 2017

Researchers at the  International Centre for Evidence in Disability used the Washington Group tools to estimate the prevalence of disability and its relation to outcomes like education and employment in Cameroon, Guatemala, India, and Nepal. They find significant evidence that people with disabilities are more likely to be excluded.

Cognitive Interviewing for the Washington Group
June 12 2017

Writing effective questions that produce reliable data requires testing. Cognitive interviewing is an important methodology for making sure that respondents are interpreting the questions as they are intended.

The Washington Group Questions in Action: Six Lessons Sightsavers has Learned so Far…
June 1 2017

A follow-up to Sightsaver’s previous blog entry in this series, this entry explains the key findings from using the Washington Group questions in a programmatic setting: words matter, education on the WG Short Set is essential, practice makes perfect, inclusive data collection generates demand, and intersectionality is critical.

Does the WG-SS Identify all People with Disabilities, and Does it Matter?
May 24 2017

The WG-SS identifies most people with disabilities. While 6 questions cannot identify everyone, the population identified by the WG-ss is well-understood, appropriate, and valuable for many purposes – including monitoring the CRPD and SDG disaggregation by disability.

Everybody Counts: Putting the Washington Group Questions into Action
May 11, 2017

Sightsavers recounts their efforts to use the WG-SS in a programmatic setting in several developing countries. They found it made an enormous difference in their ability to identify people with disabilities.

How does the WG-SS Differ from Disability Eligibility Determination?
5 May 2017

The WG-SS goes beyond identifying those who would be eligible for specific disability programs. This blog explores the difference between identifying people with disabilities for statistical purposes and disability eligibility determination for social protection programs.

Washington Group Questions and the Sustainable Development Goals
1 March 2017

The WG-SS questions are designed in a manner – both conceptually and practically – that makes them an excellent tool for disaggregating SDG indicators by disability.

Translating the Washington Group Short Set Questions
21 February 2017

Responses to surveys are very sensitive to how questions are worded. This blog summarizes the methodology recommended by the WG for translating the WG question sets in a manner that preserves the reliability of the data collected.

How are the Washington Group Questions Consistent with the Social Model of Disability?
23 January 2017

The social model of disability is a complex model that incorporates the interaction between people’s functional limitations and barriers in the environment. This blog entry explains how the social model informed the development of the WG questions and explains how the questions flow from it, and how they can be used in analysis consistent with the social model.

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