Down Syndrome Clinical Trial
Official title:
Strategies for Teaching Verbs
NCT number | NCT03441685 |
Other study ID # | 172058 |
Secondary ID | |
Status | Completed |
Phase | N/A |
First received | |
Last updated | |
Start date | March 21, 2018 |
Est. completion date | July 2, 2021 |
Verified date | December 2023 |
Source | Vanderbilt University Medical Center |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
This study is designed to evaluate whether children with Down syndrome and children with typical development exhibit different levels of accuracy demonstrating novel verbs taught under three conditions: semantic cues (perform action), syntactic cues (sentence frame), and combined (syntactic and semantic cues). The participants complete an eligibility evaluation and then one verb learning session (approximately 60 minutes in length). During that verb learning session they are taught sets of words under each condition (i.e., within-subjects design) and then asked to identify and label those target words immediately after instruction.
Status | Completed |
Enrollment | 44 |
Est. completion date | July 2, 2021 |
Est. primary completion date | July 2, 2021 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | 3 Years to 17 Years |
Eligibility | Inclusion Criteria: - Must use oral communication as their primary means of communication - Must be monolingual English speakers - Behaviorally able to attend for 20 minutes - Children with typical development must demonstrate no more than one standard deviation below the mean on the speech and language measures Exclusion Criteria: - Nonverbal cognitive score less than three standard deviations below the mean (standard score of 54 below) - Identified hearing loss or failed hearing screening - Uncorrected vision impairment - Motor impairment that prevents completion of study activities - Concomitant disorders (e.g., Autism spectrum disorder) |
Country | Name | City | State |
---|---|---|---|
United States | Vanderbilt Bill Wilkerson Center | Nashville | Tennessee |
Lead Sponsor | Collaborator |
---|---|
Vanderbilt University Medical Center |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Accuracy Identifying Taught Words - Syntactic Condition | Participants are asked to receptively identify novel verbs taught in syntactic condition by selecting the video of the named verb from a field of two. Participants were asked to identify each of the 4 taught words per condition 3 times for a total of 12 trials per condition. This "receptive probe" has a minimum score of 0 and maximum of 12. Higher scores indicate a better outcome. | From date of initial evaluation to focused intervention session, up to 1 month | |
Primary | Accuracy Identifying Taught Words - Semantic Condition | Participants are asked to receptively identify novel verbs taught in semantic condition by selecting the video of the named verb from a field of two. Participants were asked to identify each of the 4 taught words per condition 3 times for a total of 12 trials per condition. This "receptive probe" has a minimum score of 0 and maximum of 12. Higher scores indicate a better outcome. | From date of initial evaluation to focused intervention session, up to 1 month | |
Primary | Accuracy Identifying Taught Words - Combined Condition | Participants are asked to receptively identify novel verbs taught in combined condition by selecting the video of the named verb from a field of two. Participants were asked to identify each of the 4 taught words per condition 3 times for a total of 12 trials per condition. This "receptive probe" has a minimum score of 0 and maximum of 12. Higher scores indicate a better outcome. | From date of initial evaluation to focused intervention session, up to 1 month | |
Secondary | Accuracy Labeling Taught Words - Syntactic Condition | After the teaching episodes for the syntactic condition participants are asked to label novel verbs expressively. Participants were asked to label each of the 4 taught words per condition one time for a total of 4 trials per condition. This "expressive probe" has a minimum score of 0 and maximum of 4. Higher scores indicate a better outcome. | From date of initial evaluation to focused intervention session, up to 1 month | |
Secondary | Accuracy Labeling Taught Words - Semantic Condition | After the teaching episodes for the semantic condition participants are asked to label novel verbs expressively. Participants were asked to label each of the 4 taught words per condition one time for a total of 4 trials per condition. This "expressive probe" has a minimum score of 0 and maximum of 4. Higher scores indicate a better outcome. | From date of initial evaluation to focused intervention session, up to 1 month | |
Secondary | Accuracy Labeling Taught Words - Combined Condition | After the teaching episodes for the combined condition participants are asked to label novel verbs expressively. Participants were asked to label each of the 4 taught words per condition one time for a total of 4 trials per condition. This "expressive probe" has a minimum score of 0 and maximum of 4. Higher scores indicate a better outcome | From date of initial evaluation to focused intervention session, up to 1 month |
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