The purpose of this study is to examine whether scores on questionnaires that rate how much Parkinson's Disease (PD) has slowed movements of the body differ when the order of the questions are changed. The consistency and accuracy of the questionnaires will also be examined. It is hypothesized that there will not be a difference.

Inclusion Criteria:

1. Male or Female at least 30 years of age
2. Willing to be assessed using the motor examination section of the UPDRS and the SPES/SCOPA motor evaluation
3. Patients must be willing and able to give written informed consent prior to performing an study procedures
4. Be in the "ON" State (only for patients who fluctuate between "ON" and "OFF" states)

Exclusion Criteria:

1. Absence of bradykinesia at the time of assessment
2. Hoehn and Yahr stage not available from patient's chart or not assessed between 3 and 180 days prior to clinic visit
3. Has received and experimental drug within the last thirty (30) days

Patients with a diagnosis of idiopathic Parkinsons disease (PD) who also presented with bradykinesia and one other cardinal sign at the time of assessment.