An adult female has received 20 sessions of voice therapy fo…
An adult female has received 20 sessions of voice therapy for hoarseness related to vocal nodules. Data for pre- and post-evaluation measures are: Pre-treatment scores Post-treatment scores Fundamental Frequency (Hz) 150 200 Phonation duration (seconds) 10 secs 15 secs Jitter (percent) 1.2 0.68 Which of the following is most strongly indicated by the data?