FAQs

How do I obtain permission to use the PDQUALIF?

Mickie Welsh and the Parkinson Study Group are the copyright holders for the PDQUALIF. The instrument may not be reproduced or translated in whole or in part without the express written permission of the lead author, Mickie Welsh.

Additionally, we ask users to notify us when they publish or present PDQUALIF data so that this information can be added to our web site.

What licensing fees are associated with the PDQUALIF?

The PDQUALIF is available to academic researchers without fee. Pharmaceutical companies wishing to use the instrument will be charged $25.00 per patient enrolled in their study. Click here to request a license.

Can I modify the questionnaire wording?

The questionnaire cannot be called the PDQUALIF if questions or responses are changed or questions are added or deleted.

What methods of administration are available for the PDQUALIF?

The PDQUALIF was originally developed in Us English and validated for paper administration. Neither the original U.S. English nor any of the translations have been adapted for tablet, PDA, web or IVR administration.

Can I reformat the questionnaire?

The PDQUALIF may be reformatted (e.g., different font, boxes or blanks) to make it consistent with other instruments used in a study.

What translations of the PDQUALIF are available?

There are currently no translations for the PDQUALIF. New translations may be obtained by contacting:

RWS Life Sciences
101 East River Drive
East Hartford, CT 06108
Tel: 860-727-6000
Fax: 860-727-6001
E-mail: PDQUALIF