Since the early 1990s the PAS-ADD tools have been increasingly used for the assessment of mental health problems in adults with intellectual disability (ID), and are now widely used throughout the world. Packs of 20, 40, 60, 80, 100 PAS-ADD Checklists , a questionnaire written in everyday language for use by care staff and families to identify potential mental health problems and to help decide whether a further assessment is needed. To read more about the PAS-ADD materials click here

Steve Moss has worked for 30 years in disability research, initially inthe fields of children with visual impairment and children's motordevelopment, and subsequently in the areas of intellectual disabilityand mental health assessment. His work on development of the PAS-ADDsystem is particularly well known, and these assessments are now usedin many countries throughout the world. He worked for 20 years at theHester Adrian Research Centre, Manchester University, and later at theInstitute of Psychiatry, King's College London, where he continues tohave an honorary post.