- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03972891
Influence - Intervention Break - Children - Speech Sound Disorders
Influence of a Intervention Break on a Treated Phonological Process in Spontaneous Speech Situations in Children Aged 5 to 6 Years With Phonologically Delayed Development
Many of the children with speech and language disorders have speech sound disorders. In German-speaking countries, it is estimated that around 16% of children between the ages of three and eight are affected by school entry. The treatment of speech sound disorders aims to enable the transfer of the learned into spontaneous speech. The purpose of this study is to ascertain, whether children, by means of a break in therapy, succeed in transferring, the target phoneme or target consonant cluster - from a certain threshold - to spontaneous language. The researchers compare the effect of the transfer to spontaneous speech situations by means of a twelve-week break from therapy with a continuous therapy.
In addition, the researchers would like to find out whether the acquisition of the grapheme has an additional positive influence on the generalization of the target phoneme or target consonant cluster in spontaneous speech situations.
The researchers also seek to understand individual differences in the generalization effects on the production of the target phoneme / target consonant cluster in spontaneous speech situations, in which the researchers document and evaluate information on the treatment method and treatment duration before the therapy break.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Early detection of language development disorders and a timely delivery of appropriate measures derived from it, can prevent secondary consequences of language learning disorders. In particular, phonologically delayed disorders can have an impact on the development of literacy and place the child at risk of dyslexia. With this knowledge, that early detection and the appropriate measures derived from it can prevent the secondary consequences of a speech sound disorder, speech and language therapists strive to carry out an effective therapeutic process based on the International Classification of Functioning, Disability and Health (ICF). In the field of effectiveness research, there is consensus that the objective, which is tailored to the disorder, is closely linked to the chosen therapeutic method. Therapeutic ICF-oriented measures should be adapted to the needs of the child. Based on the current knowledge, no therapy concept can offer this, if it is used exclusively.
In effectiveness research, disagreement prevails in the area of treatment intensity and the intervention period. The therapy intensity is determined by three factors: number of properly implemented teaching episodes per session (dose), task or activity within which the teaching episodes are delivered (dose form) and the number of sessions per unit of time (e.g. once a week/once a month), It should be noted that the threshold at which speech therapy is still effective and where the intervention period is too short has mostly been derived from observations. It seems that a certain amount of developmental time is required for the consolidation of new skills. It has so far only been stated that the duration of intervention cannot be generalized for each child and that an improvement in the functional capacity of the linguistic output may be between 12 and 20 hours of intervention. In addition to the uncertainty of how high the intensity of therapy must be in order to achieve generalization effects, there is no information in science to date as to which baseline level has to be achieved for it.
Therefore the desire for systematic studies on the question: Which baseline level does a child have to reach in order to transfer the treated phonological process to the spontaneous speech during the therapy break? prevails.
Aim 1 will determine whether a 12-week intervention break in children between the ages of five and six with phonologically delayed development of one phonological process will lead to significant improvements in the transfer of the target phoneme / target consonant cluster in spontaneous speech. On the condition that the threshold of 70-80% correct pronunciation of the target phoneme / target consonant cluster was attained.
Aim 2 will determine whether children, who at the end of the therapy, do not demonstrate 100 percent correct pronunciation of the targeted phoneme / the target consonant cluster in spontaneous speech by acquiring the grapheme/graphemes (the affected treated phoneme / the affected treated consonant cluster) see an improvement of the target phoneme / target consonant cluster in spontaneous speech?
Study Type
Enrollment (Estimated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Doris Detter-Biesl, MSc
- Phone Number: +43 50 344 - 25124
- Email: doris.detter-biesl@fhgooe.ac.at
Study Contact Backup
- Name: Bernhard Schwartz, Dr. MSc BSc
- Phone Number: +43 50 344- 20031
- Email: bernhard.schwartz@fhgooe.ac.at
Study Locations
-
-
Upper Austria
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Linz, Upper Austria, Austria, 4020
- Recruiting
- Caritas Österreich, Caritas für Kinder und Jugendliche
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Contact:
- Barbara Kraxberger
- Phone Number: +43 732 - 7844 180
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
Speech therapists:
- Written consent to participate in the study after prior written and oral education
- At least 2 years activity in the field of children's speech therapy / therapy of infantile speech sound disorders with sufficient practical experience
Children:
- Phonological delay of one of these phonological process: palatal fronting / sch / to / s / or / ch / to / s /, velar fronting / k g / to / t d / or contact assimilation / dr / to / gr kr / and max. two phonological processes
- The treated sound can be formed correctly during therapy in the spontaneous speech situations to 70 - 80%
- The phonological process has not yet been treated by another colleague (the therapy should be carried out by a speech therapist from the beginning)
- Parental participation is given (recorded in the regular therapeutic process via anamnesis interview)
- Therapy frequency: regular once a week, but at least once every 2 weeks (so that short-term outages due to illness do not lead to exclusion from the study)
- Physiologically developed prescriptive skills
- almost native German language skills
- Written consent of the parent or guardian to participate in the study after previous oral and written information
Exclusion Criteria:
Speech therapists:
- Lack of written consent
- Practical experience in the field of children's speech therapy / therapy of infantile speech sound disorders of less than 2 years
Children:
- Younger than 5 years of age
- Therapy sounds are less than 70% correct in a spontaneous speech situation
- Inconsistent phonological disorder
- Consistent phonological disorder
- Childhood apraxia of speech
- Myofunctional disorders
- Isolated articulation disorder (e.g. lateral or interdental articulation)
- Auditory processing disorders
- Disorders of speech understanding
- Autism spectrum disorders
- Cognitive developmental disorders
- Deficits in prescriptive skills
- Missing written consent of the parents
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Triple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: 12-weeks intervention break
The intervention break starts as soon as 70 - 80 % of the target phoneme / target consonant cluster can be pronounced correctly in spontaneous speech situations during therapy.
The intervention break will last for 12 weeks.
|
The intervention of this study is a break of the intervention for 12 weeks under the following conditions:
|
No Intervention: traditional therapy
After 70 - 80 % of the target phoneme / target consonant cluster can be pronounced correctly in spontaneous speech situations during therapy, the children will maintain their traditional therapy until more than 90% of the target phoneme / target consonant cluster can be pronounced correctly in spontaneous speech situations (max.
12 weeks).
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Changes in the target phoneme / target consonant cluster accuracy in spontaneous speech situations within-group
Time Frame: 12-week
|
The phoneme accuracy will be determined by a standardised diagnostic assessment for speech sound disorders, a single-word test (PLAKKS), and by elicited a continuous speech sample (non-standardized assessment) für 15 minutes.
For the speech sample the researchers will use the same situation pictures in a play situation for all test times to allow for direct comparison.
|
12-week
|
Changes in the target phoneme / target consonant cluster accuracy in spontaneous speech situations within-group/in group interaction
Time Frame: 12-week
|
The phoneme accuracy will be determined by a standardised diagnostic assessment for speech sound disorders, a single-word test (PLAKKS), and by elicited a continuous speech sample (non-standardized assessment) für 15 minutes.
For the speech sample the researchers will use the same situation pictures in a play situation for all test times to allow for direct comparison.
|
12-week
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Changes in the target phoneme/ consonant cluster accuracy in spontaneous speech situations within-group
Time Frame: 1 - 2 weeks after the target grapheme has been learned in school (0.5 - 3.5 months after school entry)
|
The phoneme accuracy will be determined by a standardised diagnostic assessment for speech sound disorders, a single-word test (PLAKKS), and by elicited a continuous speech sample (non-standardized assessment) für 15 minutes.
For the speech sample the researchers will use the same situation pictures in a play situation for all test times to allow for direct comparison.
|
1 - 2 weeks after the target grapheme has been learned in school (0.5 - 3.5 months after school entry)
|
Collaborators and Investigators
Investigators
- Study Director: Doris Detter-Biesl, MSc, University of Applied Sciences for Health Professions Upper Austria
Publications and helpful links
General Publications
- Yoder P, Fey ME, Warren SF. Studying the impact of intensity is important but complicated. Int J Speech Lang Pathol. 2012 Oct;14(5):410-3. doi: 10.3109/17549507.2012.685890. Epub 2012 May 31.
- Warren SF, Fey ME, Yoder PJ. Differential treatment intensity research: a missing link to creating optimally effective communication interventions. Ment Retard Dev Disabil Res Rev. 2007;13(1):70-7. doi: 10.1002/mrdd.20139.
- Baker E. Optimal intervention intensity in speech-language pathology: discoveries, challenges, and unchartered territories. Int J Speech Lang Pathol. 2012 Oct;14(5):478-85. doi: 10.3109/17549507.2012.717967.
- Allen MM. Intervention efficacy and intensity for children with speech sound disorder. J Speech Lang Hear Res. 2013 Jun;56(3):865-77. doi: 10.1044/1092-4388(2012/11-0076). Epub 2012 Dec 28.
- Williams AL. Intensity in phonological intervention: is there a prescribed amount? Int J Speech Lang Pathol. 2012 Oct;14(5):456-61. doi: 10.3109/17549507.2012.688866. Epub 2012 Jun 11.
Study record dates
Study Major Dates
Study Start (Estimated)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Estimated)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- A-2019-035
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
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