Electronic Theses and Dissertations





Document Type


Degree Name

Master of Arts


Speech Language Pathology

Committee Chair

Miriam van Mersbergen

Committee Member

Lynda Feenaughty


Objective: This research investigated the relative values of intensity when participants were given a target vocal effort level (VEL) and if transient mood impacted these values. Method: Twenty-seven participants completed three experimental blocks. 36 trials were completed in Block 1 consisting of rote speech tasks, reading tasks, and 3 unique map tasks all executed at the four targets VELs. Block 2 consisted of an additional 36 rote speech task trials with the addition of emotional stimuli. Finally, 12 additional automatic speech trials were executed in Block 3. Results: Results revealed vocal intensity was significantly distinct for all elicited VELs within a given experimental block and repeatable for each VEL when comparing the initial and final blocks of the experiment. Additionally, transient mood did not have a noticeable effect on the produced intensity levels. Conclusion: The current study provided insight and evidence to the significant association between vocal effort and intensity output.


Data is provided by the student.

Library Comment

Dissertation or thesis originally submitted to the local University of Memphis Electronic Theses & dissertation (ETD) Repository.