Sage Journals: Discover world-class research

Retricted access

Research article

First published 2017-9

Modified Pfeffer Questionnaire for Functional Assessment in Parkinson Disease

Kelson James Almeida, Lívio Pereira de Macêdo, Janine Lemos de Melo Lobo Jofili Lopes [...]

Journal of Geriatric Psychiatry and Neurology

Open access

Research article

First published 2025-9

Utility of a newly created questionnaire on subtle motor symptoms in high-risk subjects with Parkinson's disease

Daigo Tamakoshi, Keita Hiraga, Taiki Fukushima [...]

Journal of Parkinson’s Disease

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Research article

First published 2015-10

Mapping from the Parkinson’s Disease Questionnaire PDQ-39 to the Generic EuroQol EQ-5D-3L

Seamus Kent, Alastair Gray, Iryna Schlackow [...]

Medical Decision Making

Open access

Research article

First published 2023

Parkinson’s Disease Stigma Questionnaire (PDStigmaQuest): Development and Pilot Study of a Questionnaire for Stigma in Patients with Idiopathic Parkinson’s Disease

Vasilija Stopic, Stefanie T. Jost, Juan Carlos Baldermann [...]

Journal of Parkinson’s Disease

Open access

Research article

First published 2024-10-15

Validation Study of the Parkinson’s Disease Stigma Questionnaire (PDStigmaQuest)

Vasilija Stopic, Stefanie T. Jost, Julius Haupt [...]

Journal of Parkinson’s Disease

Free access

Other

First published 2009-07

The 39-item Parkinson's Disease Questionnaire (PDQ-39): is it a unidimensional construct?

Peter Hagell, Maria H. Nilsson

Therapeutic Advances in Neurological Disorders

Retricted access

Research article

First published 2015-12

Validity,Reliability,and Insights from Applying the McGill Quality of Life Questionnaire to People Living with Parkinson's Disease (MQoL-PD)

Teneille E. Gofton, Hrishikesh Kumar, Angela Roberts-South [...]

Journal of Palliative Care

Free access

Research article

First published 2022

Evaluating the Psychometric Properties of the Psychological Capital Questionnaire (PCQ) in Patients with Parkinson’s Disease

Bradley McDaniels, Chun-Lung Lee, Malachy Bishop

Journal of Parkinson’s Disease

Free access

Research article

First published 2020

Translation,Validation,Diagnostic Accuracy,and Reliability of Screening Questionnaire for Parkinsonism in Three African Countries

Ali Shalash, Njideka U. Okubadejo, Jacques Doumbe [...]

Journal of Parkinson’s Disease

Open access

Review article

First published 2025

Validation of the Psychosis and Hallucinations Questionnaire in Lewy Body Dementia

Chaminda Withanachchi Gunawardana, Peter G. R. Burke, Elie Matar [...]

Journal of Geriatric Psychiatry and Neurology

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