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Comparative effectiveness of correction strategies in connected discourse tracking
1Department of Speech and Hearing Science, Ohio State University.
Ear and Hearing
|October 1, 1994
Summary
Verbatim repetition of missed segments is the most effective strategy for connected discourse tracking (CDT). Utilizing a tactile aid alongside speechreading also significantly improves tracking performance.
Area of Science:
- Audiology
- Speech-Language Pathology
- Assistive Technology
Background:
- Connected discourse tracking (CDT) is a crucial skill for individuals with hearing impairments.
- Various correction strategies are employed to aid comprehension during CDT.
- The efficacy of these strategies, particularly in conjunction with assistive listening devices, requires further investigation.
Purpose of the Study:
- To evaluate the effectiveness of four distinct correction strategies in connected discourse tracking.
- To compare the impact of speechreading alone versus speechreading combined with a tactile aid on tracking performance.
- To assess the learning effect on tracking rates over the course of training.
Main Methods:
- Four normal-hearing adults participated as listeners.
- Four correction strategies were tested: verbatim repetition, semantic cues (antonyms/synonyms), phonemic cues, and text navigation (going back/ahead).
- Stimuli were presented live-voice, with listeners tested under two conditions: speechreading alone and speechreading plus a multichannel tactile aid.
Main Results:
- Verbatim repetition of missed segments yielded the highest tracking rates, significantly outperforming other strategies.
- Speechreading combined with a tactile aid resulted in significantly higher tracking rates compared to speechreading alone.
- Tracking rates demonstrated a significant increase from the beginning to the end of the training period.
Conclusions:
- Simple verbatim repetition of missed segments is a highly effective correction strategy for connected discourse tracking.
- The integration of tactile aids with speechreading offers substantial benefits for improving tracking abilities.
- Findings support the inclusion of verbatim repetition in computer-assisted CDT systems to enhance user performance.
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