Reliability and Validity of an Instrument to Measure Quality of Life in the Dysarthric Speaker

Objective: To develop a tool to measure quality of life (QOL) in the dysarthric speaker (QOL-DyS). Patients and Method: The study consisted of two phases: scale development and item reduction (phase 1), and reliability and validity analysis (phase 2). The 100-item ‘Dysarthria from the Point of Vi…