Nonmotoric Symptoms Scale (NMSS) Validity and Reliability Test in Patients with Parkinson's Disease in Dr. Soetomo General Hospital, Surabaya, Indonesia: A Questioner Validation Study

Abstract

This is descriptive analytics with a cross-sectional approach. The research is divided into 2 stages, the validity test stage and the reliability test stage. The validity test stage is in the form of a content validity test, construct validity, and criteria validity. The reliability test stage using an internal consistency