Answered By: Nola Pettit-UCF
Last Updated: Dec 12, 2014     Views: 42

PDQ-39 = Parkinson's Disease Questionnaire - 39
PDQL = Parkinson's Disease Quality of Life Questionnaire
PDSI = Parkinson's Disease Symptom Inventory (PDSI instead of PSDI)

The website Rehabilitation Measures Database provides information and links for various measures, including PDQ-39 which is available from the St. Vincent's University Hospital website.

UCF owns a circulating copy of the book, Guide to Physical Therapist Practice. From the index we determined that it does cover PDQL and PDQ-39. 

If you belong to the APTA, you can log in and get access to the Guide to Physical Therapist Practice at

Another place to check for information about evaluation instruments is the library's subscription to the database:

Health & Psychosocial Instruments

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