Social and Behavioral Sciences Commons^™

Impact Of Singing Intervention On Vocal Fatigue Effects : A Single Subject Study, Nancy Devine Ferguson

Dissertations and Theses

This single subject descriptive study investigated the efficacy of singing intervention on the effects of vocal fatigue on the speaking voice of a non-singing individual. Baseline measures were taken on a single subject prior to voice treatment. Data were collected before and after the subject performed a vocally fatiguing task of 1 hour of prolonged reading at 80% of his maximum vocal intensity level. Data collection consisted of the following acoustic and aerodynamic characteristics of the subject's speaking voice: fundamental frequency, jitter, shimmer, maximum intensity level, and maximum phonation duration, as well as obtainment of the subject's self-perceptions of vocal …