References
- Amir, O., Dukas, M., & Shnaps-Baum, R. (2005). The effect of a “voice course” on the voices of people with and without pathologies: preliminary observations. Logopedics, Phoniatrics, Vocology, 30, 63–71.
- Awan, S., Roy, N., Jetté, M., Meltzner, G., & Hillman, R. (2010). Quantifying dysphonia severity using a spectral/cepstral-based acoustic index: Comparisons with auditory–perceptual judgements from the CAPE-V. Clinical Linguistics and Phonetics, 24, 742–758.
- Chen, S. H., Hsiao, T.-Y., Hsiao, L.-C., Chung, Y.-M., & Chiang, S.-C. (2007). Outcome of resonant voice therapy for female teachers with voice disorders: Perceptual, physiological, acoustic, aerodynamic, and functional measurements. Journal of Voice, 21, 415–425.
- Cohen, J. (1988). Statistical power analysis for the behavioral sciences, 2nd edn.Hillsdale, NJ: Lawrence Erlbaum Associates.
- Eadie, T. L., & Doyle, P. C. (2005). Classification of dysphonic voice: Acoustic and auditory-perceptual measures. Journal of Voice, 19, 1–14.
- Ferguson, C. J. (2009). An effect size primer: A guide for clinicians and researchers. Professional Psychology: Research and Practice, 40, 532–538.
- Halberstam, B. (2004). Acoustic and perceptual parameters relating to connected speech are more reliable measures of hoarseness than parameters relating to sustained vowels. ORL: Journal for Oto-Rhino-Laryngology and Its Related Specialties, 66, 70–73.
- Kinser, P. A., & Robins, J. L. (2013). Control group design: Enhancing rigor in research of mind–body therapies for depression. Evidence-based Complementary and Alternative Medicine: eCAM, 2013, 140467.
- Kraemer, H., Morgan, G., Leech, N., Gliner, J., Vaske, J., & Harmon, R. (2003). Measures of clinical significance. Journal of the American Academy of Child Adolescent Psychiatry, (December), 1524–1529.
- Laflen, J. B., Lazarus, C. L., & Amin, M. R. (2008). Pitch deviation analysis of pathological voice in connected speech. The Annals of Otology, Rhinology, and Laryngology, 117, 90–97.
- Maryn, Y., Corthals, P., Van Cauwenberge, P., Roy, N., & De Bodt, M. (2010). Toward improved ecological validity in the acoustic measurement of overall voice quality: Combining continuous speech and sustained vowels. Journal of Voice, 24, 540–555.
- Meline, T., & Schmitt, J. (1997). Case studies for evaluating statistical significance in group designs. American Journal of Speech–Language Pathology, 6, 33–41.
- Pasa, G., Oates, J., & Dacakis, G. (2007). The relative effectiveness of vocal hygiene training and vocal function exercises in preventing voice disorders in primary school teachers. Logopedics, Phoniatrics, Vocology, 32, 128–140.
- Roy, N., Gray, S. D., Simon, M., Dove, H., Corbin-Lewis, K., & Stemple, J. (2001). An evaluation of the effects of two treatment approaches for teachers with voice disorders: A prospective randomized clinical trial. Journal of Speech, Language, and Hearing Research, 44, 286–296.
- Roy, N., Weinrich, B., Gray, S. D., Tanner, K., Stemple, J. C., & Sapienza, C. M. (2003). Three treatments for teachers with voice disorders: A randomized clinical trial. Journal of Speech, Language, and Hearing Research, 46, 670–688.
- Schlosser, R., Wendt, O., & Sigafoos, J. (2007). Not all systematic reviews are created equal: Considerations for appraisal. Evidence-Based Communication Assessment and Intervention, 1, 138–150.
- Schuele, C., & Justice, L. (2006). The importance of effect sizes in the interpretation of research: Primer on research: Part 3. The ASHA Leader (August). Retrieved from http://www.asha.org/Publications/leader/2006/060815/f060815d/
- Siwek, J., Gourlay, M. L., Slawson, D. C., & Shaughnessy, A. F. (2002). How to write an evidence-based clinical review article. American Family Physician, 65, 251–258.
- Speyer, R. (2008). Effects of voice therapy: A systematic review. Journal of Voice, 22, 565–580.
- Thalheimer, W., & Cook, S. (2002). How to calculate effect sizes from published research: A simplified methodology (August). Retrieved from http://work-learning.com/effect_sizes.htm
- Turner, H. M., & Bernard, R. M. (2006). Calculating and synthesizing effect sizes. Contemporary Issues in Communication Science and Disorders, 33, 42–55.