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Audiol > Volume 8(1); 2012 > Article
Audiology 2012;8(1): 111-115.
Published online: June 30, 2012.
doi: http://doi.org/10.21848/audiol.2012.8.1.111
Markov 신호처리 모델을 응용한 청각재활 프로그램 만족도에 관한 연구
한림대학교 언어청각학부ᆞ한림대학교 청각언어연구소
Application of Markov process on the outcomes of auditory rehabilitation programs
Dukhwan Lim
Section of Audiology, Audiology and Speech Pathology Research Institute Hallym University, Chuncheon, Korea
Correspondence  Dukhwan Lim ,Tel: 033-248-2217, Fax: 02-6280-9133, Email: dlim@hallym.ac.kr
Received: May 9, 2012; Revised: June 15, 2012   Accepted: June 16, 2012.  Published online: June 30, 2012.
Successful auditory rehabilitation programs involve satisfaction measures for clients. The final outcomes may eventually lead to either satisfaction or dissatisfaction. It is critical in rehabilitation programs to predict the subjective measures in appropriate time intervals so that individual programs may be modified for better performances. However, reliable quantitative protocols serving these purposes have been limited in number and practice. In this study, an effective model of estimating satisfaction measures was developed to describe future outcomes of the programs. This modeling process was based on stochastic Markov process where the previous state was related to the next state. In this model, transient probabilities were computed to address individual states in session numbers of a rehabilitation program. The model was applied in a sample group of old adults (N = 12) wearing hearing aids with similar unaided scores of PTA and WRS to observe the estimated properties of satisfaction. The results showed that the asymptotic value of satisfaction was reached under the given condition as the session number was increased. With these data, the prospective outcomes of the program can be monitored for its overall efficacy. The protocol may also contribute to optimizing evaluation and management to facilitate the rehabilitative process.
Key Words: Auditory rehabilitation, Markov process, Probability of satisfaction, Auditory evaluation and management.
중심단어: 청능훈련, Markov 신호처리과정, 청각재활, 만족도, 청능평가와 관리.
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