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The PAS-ADD Checklist (Revised)

 

The Checklist is the least complex of the PAS-ADD schedules. It is a 25 item questionnaire, couched in everyday language, designed for use primarily by care staff and families ‑ the people who have the most immediate perception of changes in the behaviour of the people for whom they care. The Checklist aims to help staff and carers decide whether further assessment of an individual's mental health may be helpful. It can be used to screen whole groups of individuals, or as part of a regular monitoring of people who are considered to be at risk of mental illness. It is designed to record the presence of a range of problems, all of which may be part of a psychiatric condition. The scoring system includes threshold scores which, if exceeded, indicate the presence of a potential psychiatric problem, which may then be more fully assessed using the Mini‑PAS‑ADD.

 

The PAS‑ADD Checklist produces three scores, relating to:

 

1. Affective or neurotic disorder.

2. Possible organic condition. (including dementia)

3. Psychotic disorder.

 

Factor analysis of the Checklist completed on a community sample of 201 individuals yielded eight factors, of which seven were readily interpretable in diagnostic terms.  Internal consistency of the scales was generally acceptable.  Inter-rater reliability in terms of case identification, the main purpose of the Checklist was quite good, 83% of the decision being in agreement.  Validity in relation to clinical opinion was also satisfactory, case detection rising appropriately with the clinically judged severity of disorder (Moss et al, 1998).

 

 

Moss, S.C., Prosser, H., Costello, H., Simpson, N., Patel, P., Rowe, S., Turner, S., & Hatton, C. (1998) Reliability and validity of the PAS-ADD Checklist for detecting psychiatric disorders in adults with intellectual disability.  Journal of Intellectual Disability Research, 42, 173-183

 

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