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The Definition and Measurement of Disability: The Work of the Washington Group (continued) Daniel Mont Disability and Development Group The World Bank November 9, 2022 Cognitive Testing ? Cognitive testing was undertaken in 15 countries to ensure validity and better understand how the questions operate. ? Purposive Samples ? Asked WG question and series of detailed questions in the same domains ? Collected information on response process ? Analyzed problematic response patterns ? Questions performed well with a few issues: ?Glasses and hearing aid clauses ?Communication question More detailed questions on functioning. For example, Cognitive Questions ? Do you have difficulty remembering the names of people or places? ? Do you have difficulty remembering appointments? ? Do you have difficulty remembering how to get to familiar places? ? Do you have difficulty remembering important tasks, like taking medications or paying bills? ? Do you have difficulty concentrating on doing something for ten minutes? ? ?Do you have difficulty learning a new task, for example, learning how to get to a new place? ? Do you have difficulty finding solutions to problems in day to day life? Information on response process ? Questions to interviewers ? Need to repeat any part of the questio