The Washington Group (WG) uses a functional approach in its data collection tools as opposed to other approaches that ask directly if someone has a disability, has conditions or impairments that can
How Can Administrative Data Be Used For Collecting Data On Disability? Administrative data have been suggested as a means to analyze the prevalence of disability as well as for disaggregating
Basic Guide To Sampling For Disability Surveys This blog discusses some basic guidance on how to determine an appropriate sample size for surveys collecting information on people with disabilities.
Why Global Health And Functioning Indicators Like The GALI Are Not Suitable For Disaggregation This blog explains why the single question on disability linked to participation that some countries
