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| Tracking Information | |||||||||
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| First Received Date ICMJE | March 14, 2001 | ||||||||
| Last Updated Date | January 20, 2009 | ||||||||
| Start Date ICMJE | April 1998 | ||||||||
| Primary Completion Date | |||||||||
| Current Primary Outcome Measures ICMJE | |||||||||
| Original Primary Outcome Measures ICMJE | |||||||||
| Change History | Complete list of historical versions of study NCT00013364 on ClinicalTrials.gov Archive Site | ||||||||
| Current Secondary Outcome Measures ICMJE | |||||||||
| Original Secondary Outcome Measures ICMJE | |||||||||
| Descriptive Information | |||||||||
| Brief Title ICMJE | Effects of Stimulus Validity on Speech Recognition | ||||||||
| Official Title ICMJE | Effects of Stimulus Validity on Speech Recognition | ||||||||
| Brief Summary | The effects of talker variability will be investigated with four groups of listeners (young normal-hearing; old normal-hearing; young hearing-impaired; old hearing-impaired). Experimental conditions will include between-talker differences, speaking rate, lexical difficult and semantic/linguistic context. A preliminary experiment will evaluate the relative merit of adaptive vs fixed-level methods of stimulus presentation. |
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| Detailed Description | |||||||||
| Study Phase | Phase II | ||||||||
| Study Type ICMJE | Observational | ||||||||
| Study Design ICMJE | Prospective | ||||||||
| Condition ICMJE | Hearing Impaired | ||||||||
| Intervention ICMJE | Behavioral: Talker variability | ||||||||
| Study Arms / Comparison Groups | |||||||||
| Publications * | |||||||||
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* Includes publications given by the data provider as well as publications identified by National Clinical Trials Identifier (NCT ID) in Medline. |
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| Recruitment Information | |||||||||
| Recruitment Status ICMJE | Completed | ||||||||
| Enrollment ICMJE | 80 | ||||||||
| Completion Date | March 2001 | ||||||||
| Primary Completion Date | |||||||||
| Eligibility Criteria ICMJE | Hearing impaired |
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| Gender | Both | ||||||||
| Ages | 18 Years to 85 Years | ||||||||
| Accepts Healthy Volunteers | No | ||||||||
| Contacts ICMJE | Contact information is only displayed when the study is recruiting subjects | ||||||||
| Location Countries ICMJE | United States | ||||||||
| Administrative Information | |||||||||
| NCT ID ICMJE | NCT00013364 | ||||||||
| Responsible Party | |||||||||
| Study ID Numbers ICMJE | C1850R | ||||||||
| Study Sponsor ICMJE | Department of Veterans Affairs | ||||||||
| Collaborators ICMJE | |||||||||
| Investigators ICMJE |
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| Information Provided By | Department of Veterans Affairs | ||||||||
| Verification Date | January 2001 | ||||||||
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ICMJE Data element required by the International Committee of Medical Journal Editors and the World Health Organization ICTRP |
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