The benefits of closed captioning for elderly hearing aid users

The purpose of this study was to determine the effects of closed captioning and hearing aid use on word recognition of televised materials in a sample of 15 older adults with hearing loss, who use hearing aids. Participants viewed television segments in four viewing conditions: 1) without hearing aids or closed captioning (BSLN), 2) with hearing aids (HA), 3) with closed captioning (CC), and 4) with hearing aids and closed captioning (HA+CC). Three types of programming (game show, drama, and news) comprised the stimulus sentences. Anecdotal reports suggest older hearing impaired people do not use closed captioning, despite its potential benefit in understanding television…

Contents

Chapter 1: Introduction
Chapter 2: Literature Review
Television and Older People
Prevalence of Hearing Loss in Older Adults
Televised Rate of Speech
Impact of Hearing Loss on Speech Recognition in Older Adults
Benefits of Bimodal Sensory Input
The Impact of Hearing loss on Television Viewing
Hearing Aids and Television Viewing
Closed Captioning
Demographics of Closed Caption Viewers
Summary
Chapter 3: Statement of Research Questions and Hypotheses
Chapter 4: Method
Participants
Stimuli
Sentence List Equivalency
Pilot Study 1: Interlist Equivalence
Pilot Study 2: Interlist Equivalence
Procedure
Preliminary Testing
Experimental Testing
Chapter 5: Results
Primary Analyses
Chapter 6: Discussion
Performance with Hearing Aids
Performance with Closed Captioning
Older Adults
Younger Adults
Effect of Television Program Type on Speech Recognition Performance while Viewing Television
Factors Contributing to Television/Viewing Speech Recognition
Television Viewing Habits
Limitations of Study
Practical Implications
Future Directions and Summary
Appendix
References

Author: Callahan, Julia Susan

Source: University of Maryland

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