Effects of Stimulus Validity on Speech Recognition

Completed

• Conditions: Hearing Impaired

• Registration Number: NCT00013364
• Lead Sponsor: US Department of Veterans Affairs

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.

Detailed Description

Not available

Study Timeline

• Study Start: 1998-04
• Status Verified: 2001-01
• Study Completion: 2001-03
• Study First Submitted: 2001-03-14
• Study First Submitted QC: 2001-03-15
• Study First Posted: 2001-03-16
• Last Update Submitted: 2009-01-20
• Last Update Posted: 2009-01-21

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 80

Inclusion Criteria

Not provided

Exclusion Criteria

Not provided

Study & Design

• Study Type: OBSERVATIONAL
• Study Design: Not specified

Trial Locations

Locations (1)

VAMC, West Los Angeles; 🇺🇸 Los Angeles, California, United States