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Massed versus spaced practice in vocology : effect of a short-term intensive voice therapy versus a long-term traditional voice therapy

Iris Meerschman (UGent) , Sofie Claeys (UGent) , Kim Bettens (UGent) , Laura Bruneel (UGent) , Evelien D'haeseleer (UGent) and Kristiane Van Lierde (UGent)
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Abstract
Purpose: The aim of this study was to compare the effect of a short-term intensive voice therapy (IVT) with a long-term traditional voice therapy (TVT) on the vocal quality, vocal capacities, psychosocial impact, vocal tract discomfort, laryngological anatomy/physiology, and session attendance of patients with dysphonia. An additional comparison was made between an individual IVT (IVT-I) and a group IVT (IVT-G). Method: A longitudinal, prospective controlled trial was used. Forty-six adults diagnosed with dysphonia were assigned to 1 of the 3 treatment groups. The IVT groups practiced with a frequency of 1 hr 20 min a day and a duration of 2 weeks. The TVT group practiced with a frequency of two 30-min sessions a week and a duration of 6 months. Both therapy programs were content-identical and guided by the same voice therapist. A multidimensional voice assessment consisting of both objective (maximum performance task, aerodynamic measurements, voice range profile, acoustic analysis, multiparametric voice quality indices) and subjective (subject's self-report, auditory-perceptual evaluation, flexible videolaryngostroboscopy) outcomes was used to evaluate the participants' voice. Results: IVT made an equal progress in only 2 weeks and 12 hr of therapy compared with TVT that needed 6 months and 24 hr of therapy. IVT-I and IVT-G showed comparable results. Session attendance was clearly higher in IVT compared with TVT. Long-term follow-up results (1 year) were positive for the 3 groups, except for the self-reported psychosocial impact that increased in the IVT-I group. Conclusions: Short-term IVT is at least equally effective in treating patients with dysphonia as long-term TVT. Group treatment seemed as effective as individual treatment. Attendance and cost-effectiveness are important advantages of IVT. A potential drawback might be an insufficient psychosocial progress. The golden mean between intensive and traditional treatment might therefore be an achievable, effective, and efficient solution for everyday clinical practice.
Keywords
DISORDERS, TELEPRACTICE, DELIVERY, INDEX

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MLA
Meerschman, Iris et al. “Massed Versus Spaced Practice in Vocology : Effect of a Short-term Intensive Voice Therapy Versus a Long-term Traditional Voice Therapy.” JOURNAL OF SPEECH LANGUAGE AND HEARING RESEARCH 62.3 (2019): 611–630. Print.
APA
Meerschman, I., Claeys, S., Bettens, K., Bruneel, L., D’haeseleer, E., & Van Lierde, K. (2019). Massed versus spaced practice in vocology : effect of a short-term intensive voice therapy versus a long-term traditional voice therapy. JOURNAL OF SPEECH LANGUAGE AND HEARING RESEARCH, 62(3), 611–630.
Chicago author-date
Meerschman, Iris, Sofie Claeys, Kim Bettens, Laura Bruneel, Evelien D’haeseleer, and Kristiane Van Lierde. 2019. “Massed Versus Spaced Practice in Vocology : Effect of a Short-term Intensive Voice Therapy Versus a Long-term Traditional Voice Therapy.” Journal of Speech Language and Hearing Research 62 (3): 611–630.
Chicago author-date (all authors)
Meerschman, Iris, Sofie Claeys, Kim Bettens, Laura Bruneel, Evelien D’haeseleer, and Kristiane Van Lierde. 2019. “Massed Versus Spaced Practice in Vocology : Effect of a Short-term Intensive Voice Therapy Versus a Long-term Traditional Voice Therapy.” Journal of Speech Language and Hearing Research 62 (3): 611–630.
Vancouver
1.
Meerschman I, Claeys S, Bettens K, Bruneel L, D’haeseleer E, Van Lierde K. Massed versus spaced practice in vocology : effect of a short-term intensive voice therapy versus a long-term traditional voice therapy. JOURNAL OF SPEECH LANGUAGE AND HEARING RESEARCH. 2019;62(3):611–30.
IEEE
[1]
I. Meerschman, S. Claeys, K. Bettens, L. Bruneel, E. D’haeseleer, and K. Van Lierde, “Massed versus spaced practice in vocology : effect of a short-term intensive voice therapy versus a long-term traditional voice therapy,” JOURNAL OF SPEECH LANGUAGE AND HEARING RESEARCH, vol. 62, no. 3, pp. 611–630, 2019.
@article{8572801,
  abstract     = {Purpose: The aim of this study was to compare the effect of a short-term intensive voice therapy (IVT) with a long-term traditional voice therapy (TVT) on the vocal quality, vocal capacities, psychosocial impact, vocal tract discomfort, laryngological anatomy/physiology, and session attendance of patients with dysphonia. An additional comparison was made between an individual IVT (IVT-I) and a group IVT (IVT-G). 
Method: A longitudinal, prospective controlled trial was used. Forty-six adults diagnosed with dysphonia were assigned to 1 of the 3 treatment groups. The IVT groups practiced with a frequency of 1 hr 20 min a day and a duration of 2 weeks. The TVT group practiced with a frequency of two 30-min sessions a week and a duration of 6 months. Both therapy programs were content-identical and guided by the same voice therapist. A multidimensional voice assessment consisting of both objective (maximum performance task, aerodynamic measurements, voice range profile, acoustic analysis, multiparametric voice quality indices) and subjective (subject's self-report, auditory-perceptual evaluation, flexible videolaryngostroboscopy) outcomes was used to evaluate the participants' voice. 
Results: IVT made an equal progress in only 2 weeks and 12 hr of therapy compared with TVT that needed 6 months and 24 hr of therapy. IVT-I and IVT-G showed comparable results. Session attendance was clearly higher in IVT compared with TVT. Long-term follow-up results (1 year) were positive for the 3 groups, except for the self-reported psychosocial impact that increased in the IVT-I group. 
Conclusions: Short-term IVT is at least equally effective in treating patients with dysphonia as long-term TVT. Group treatment seemed as effective as individual treatment. Attendance and cost-effectiveness are important advantages of IVT. A potential drawback might be an insufficient psychosocial progress. The golden mean between intensive and traditional treatment might therefore be an achievable, effective, and efficient solution for everyday clinical practice.},
  author       = {Meerschman, Iris and Claeys, Sofie and Bettens, Kim and Bruneel, Laura and D'haeseleer, Evelien and Van Lierde, Kristiane},
  issn         = {1092-4388},
  journal      = {JOURNAL OF SPEECH LANGUAGE AND HEARING RESEARCH},
  keywords     = {DISORDERS,TELEPRACTICE,DELIVERY,INDEX},
  language     = {eng},
  number       = {3},
  pages        = {611--630},
  title        = {Massed versus spaced practice in vocology : effect of a short-term intensive voice therapy versus a long-term traditional voice therapy},
  url          = {http://dx.doi.org/10.1044/2018_JSLHR-S-18-0013},
  volume       = {62},
  year         = {2019},
}

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