World Health Organization Disability Assessment Schedule 2.0 12+24-item Version Interviewer-administered Questionnaire

**Semantic type:** Intellectual Product

**Definition:** A standardized interviewer-administered or computer-adaptive testing (CAT) questionnaire that utilizes a 5-point rating scale to assess an individual's ability to perform activities in six domains of functioning over the 30 days prior to evaluation in order to calculate a global disability score. The questionnaire is initially administered as 12 items to screen for problematic domains of functioning. Up to 24 items are then added based on the initial responses. The questionnaire was developed in 2010 by the World Health Organization (WHO) Classification, Terminology and Standards team, within the framework of the WHO/National Institutes of Health (NIH) Joint Project on Assessment and Classification of Disability.

**Synonyms:** - WD4 - WHODAS 2.0 - 12 + 24-ITEM INTERVIEWER - WHODAS 2.0 12+24-item Version Interviewer-administered