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Perceived Deficits Questionnaire (PDQ)

Sullivan MJ; Edgley K; DeHousx E

Distributed by Mapi Research Trust

ProQolid

Distributed by Mapi Research Trust

Basic description

Published in 1990, the PDQ has a 20-item (PDQ-20) and a 5-item version (PDQ-5; derived from the 20-item version). Basic description and descriptive information refers to the PDQ-20 unless otherwise noted. Information on validation and development refers to the PDQ-20. 

Although the PDQ was developed for Multiple Sclerosis (MS), it has been used in other populations as well. 

Authors

Sullivan MJ; Edgley K; DeHousx E

Copyright
PDQ © 1990. Michael JL Sullivan.
Objective
To measure the degree to which individuals with MS perceive themselves as experiencing cognitive difficulties
Therapeutic area
  • Nervous System Diseases
  • Immune System Diseases
Therapeutic indication

Multiple Sclerosis

Type of Clinical Outcome Assessment (COA)
  • pro PRO
Original language(s)
  • English for Canada
Bibliographic reference(s) of the original questionnaire

Sullivan M, Edgley K, DeHousx E. A survey of multiple sclerosis, part 1: perceived cognitive problems and compensatory strategy use. Can J Rehabil. 1990;4:99–105

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Contact and conditions of use

Authors

Sullivan MJ; Edgley K; DeHousx E

Michael Sullivan, PhD
Departments of Psychology, Medicine and Neurology
McGill University
1205 Docteur Penfield
Montreal (Quebec)
H3A 1B1
Phone: 514 398 5677
Fax: 514 398 4896
E-mail: michael.sullivan@mcgill.ca

Administrative Assistant:
Chantale Bousquet
Department of Psychology
McGill University
2001 McGill College, Room 705
Montreal, Quebec H3A 1G1
Canada
Tel: +1 (514) 398 6127
Email: Chantale.Bousquet@McGill.ca

Contact information

Mapi Research Trust
PROVIDE™
27 rue de la Villette
69003 Lyon
France
Phone: +33 (0)4 72 13 66 66

Conditions of use

Students, physicians, clinical practice, not-funded academic users

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Author Website(s)

Review copy

Examination copies can only be used for the limited purpose of examining the suitability of the Questionnaire for subsequent research and/or clinical use, and cannot be used in research or in clinical practice or distributed to others.
You are not authorized to modify, retype, translate, copy or otherwise duplicate the Questionnaire except with the further and prior written permission of Mapi Research Trust / the developers / copyright holders / distributors.

Languages

Original language(s)

  • English for Canada

Translations

The list of available translations is subject to constant changes and may not be exhaustive. It is provided for information only. Some recently produced translations may not be included in the list below yet. Please do check the status of available translations with Mapi Research Trust / the developers / copyright holders / distributors.

Also, the listed translations may not have undergone a full linguistic validation process and may require further work to be suitable for use in a study.

PDQ-20

Afrikaans for South Africa*
Bulgarian for Bulgaria*
Dutch for Belgium (Flemish)*
Dutch for the Netherlands*
English for Australia*
English for South Africa*
English for the USA*
Finnish for Finland*
French for Belgium*
French for Canada*
French for France*
German for Austria*
German for Germany*
Japanese for Japan
Korean for Korea*
Latvian for Latvia*
Norwegian for Norway*
Polish for Poland*
Portuguese for Brazil*
Russian for Latvia*
Russian for Russia*
Russian for Ukraine*
Serbian for Serbia*
Slovak for Slovakia*
Spanish for Mexico*
Spanish for Spain*
Spanish for the USA*
Swedish for Finland*
Swedish for Sweden*
Ukrainian for Ukraine*

PDQ-5

Arabic for Saudi Arabia*
Bulgarian for Bulgaria*
Croatian for Croatia*
Czech for Czech Republic*
English for the UK*
English for the USA*
Estonian for Estonia*
French for Canada*
French for France*
French for Switzerland*
German for Austria*
German for Germany*
German for Switzerland*
Greek for Greece
Hebrew for Israel*
Hungarian for Hungary
Italian for Italy*
Japanese for Japan
Latvian for Latvia*
Lithuanian for Lithuania*
Mandarin for Taiwan*
Polish for Poland*
Portuguese for Brazil*
Slovak for Slovakia*
Spanish for Argentina*
Spanish for Spain*
Spanish for the USA*
Swedish for Finland*
Turkish for Turkey*
* Performed by Mapi

The author has selected Mapi/ICON Language Services as exclusive linguistic validation company to ensure the production of harmonized and consistent language versions.

For additional information on available translations of this instrument, or for a project involving new languages, please submit a request (tutorials available on our FAQs).

Conditions to translate

Commercial Users

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Academic Translation

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