• 한국치위생학회지
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• 제22권4호
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• pp.281-287
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• 2022

Objectives: This study, investigated the satisfaction of patients who received the procedure using an implant guide to identify factors affecting satisfaction in dental hospitals and clinics in Jeollanam-do. Methods: From December 2021 to February 2022, questionnaires randomly were collected from 128 patients aged 20 to 90 years visiting dental hospitals and clinics using surgical guides in some areas of Jeollanam-do. Results: There was a negative correlation between the overall satisfaction average and Visual Analog Scale (VAS) pain level (r=-0.414, p<0.001), and a negative correlation between VAS pain level and VAS satisfaction (r=-0.273, p<0.05), As subjective pain decreased, subjective satisfaction increased, and as subjective pain increased, the overall satisfaction average also decreased, showing an inverse correlation. Factors affecting satisfaction with the guide for implant surgery were whether you would like to recommend it to people around you (β=0.556), whether you would like to explain the guide (β=0.194), and whether you thought it was good to receive the guide (β=0.199). Conclusions: Therefore, in order to increase the satisfaction of the implant surgical guide procedure, it is considered important to perform a sufficient explanation of the implant surgical guide before the procedure.

• 한국콘텐츠학회논문지
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• 제12권7호
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• pp.240-246
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• 2012

작업공정 특성상 작업환경이 열악하다고 판단되는 조선소 근로자의 구강보건증진과 구강보건교육계획, 산업구강보건정책 및 제도 개선에 기여하고자 편의표본추출법에 의해 선정한 전남 지역 조선소 및 협력업체 10곳에 근무하는 조선소 근로자를 대상으로 구강보건교육 경험에 따른 구강보건인식의 차이를 알아보기 위하여 조사한 결과는 다음과 같다. 연구대상자 310명 중 구강보건교육경험이 없는 근로자는 89.4%이었고, 구강보건교육 무경험자는 구강보건 지식정도, 인식정도, 관심정도, 중요정도가 낮은 것으로 나타났으며 구강보건 지식정도, 인식정도, 관심정도, 중요정도 간에는 상관관계가 높은 것으로 나타났다. 구강보건교육 무경험자가 구강보건교육을 받지 못하는 이유는 기회가 없었기 때문인 것으로 나타났고 선호하는 교육내용은 치아우식증예방 및 치료법, 선호하는 교육방법은 치의사의 강연인 것으로 나타났으며 구강보건교육 경험이 있는 근로자일수록 구강보건교육 경험이 없는 근로자보다 구강보건교육에 참여할 의향이 있는 것으로 나타났다.

• 한국문헌정보학회지
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• 제16권
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• pp.207-242
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• 1989

This study hypothesizes that the present deadlock situation in public library development in Korea has chiefly been caused by the underdevelopment of the consciousness of the librarians themselves presently employed in various levels of public libraries throughout the country. This study, therefore, aims to define the areas in librarians' consciousness in which elements of backwardness prevail, and thereby to produce a theoretical framework to develop public library services in Korea on an indigenous footing. To do this, the present author set up a relationship between the traditional consciousness of the Korean People and the public library performances, based on existing published materials. In order to prove hisirelatonship, he then sent out questionnaires to public librarians and male high school students and analyzed the answered questionnaires using Pearson's Correlation Analysis and Multiple Regression Analysis. Results of the analysis are asfollows: 1) Those who place an importance on the show of respectability tend to prefer to work in an indirect services area. 2) Male librarians tend to show a job satisfaction because of chances of promotion reflecting a positive correlation between this-worldiness of librarians and their job satisfaction. 3) Male librarians tend to be satisfied in their job for the conviction for their self-accomplishment, and female librarians tend to be satisfied in their job for the attention and respect they receive from users. 4) Library technicians tend to draw their job satisfaction from their sense of job stability. 5) Male librarians tend to be dissatisfied for the lack of the monetary rewards they receive, while female librarians tend to be dissatisfied for the lack of promotional chances. 6) Most librarians tend to maintain a positive job attitude for the promotional chances, reflecting a positive correlation between this­worldliness in librarians and their service attitude. 7) Power-orientednes in librarians and their job satisfaction correlate negatively in the case of male librarians. This does not apply to female librarians. 8) Power-orientedness and good service attitude correlate negatively in the case of male librarians. This does not apply to female librarians. 9) The fact that male high school students desire to enter good colleges and universities and to obtain a position in his job positively correlate to the fact that public libraries have transformed themselves into a mere reading room. 10) Male library science students show a maladjustment in their major department in earlier years for the professional uncertainty, and as they advance into senior years they show a positive attitude about the library profession.

• 대한전자공학회논문지TC
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• 제46권4호
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• pp.95-103
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• 2009

본 논문에서는 기지국 간 협조적 전송을 통해 다중 사용자 MIMO 이동통신 시스템에서 신호 대 간섭 및 잡음비(Signal-to-Interference plus Noise Ratio; SINR)를 최대화하기 위한 송수신 빔포밍 벡터를 생성하는 방법을 제안한다. 다중 사용자 MIMO 이동통신 시스템의 성능에 영향을 주는 간섭 신호로는 기지국 간 협조적 전송을 통해 신호를 전송하는 사용자 들 간 간섭 신호 성분 및 협조적 신호 전송에 참여하지 않는 기지국으로부터의 간섭 신호 성분이 있다. 제안하는 기법은 다중 사용자 간 간섭은 블록 대각화 기법(Block Diagonalization; BD)을 활용하여 제거하고, 협조적 신호전송에 참여하지 않는 기지국으로부터의 간섭 신호는 간섭 신호의 통계적 정보를 활용한 최적 결합(Optimal Combining; OC) 기반의 수신 빔포밍 벡터 및 송신 빔포밍 벡터를 생성함으로써 완화 시킨다. 또한 컴퓨터 시뮬레이션을 통해 협조적 신호 전송에 참여하지 않는 기지국 간섭 신호의 통계적 정보를 송수신단 빔포밍 벡터를 생성하는데 활용하는 제안 방식의 평균 SINR 측면에서의 성능이득을 기존의 통계적 정보를 활용하지 않거나 수신단에서만 활용하는 방식들과 비교하여 검증한다. 성능평가를 위해 안테나 간 독립적인 채널뿐만 아니라 상관도가 존재하는 채널에서도 실험을 수행하여 제안 방식이 실제 채널에서 사용될 때에 발생할 수 있는 성능열화에 대한 정량적인 수치를 제시며, 또한 제안 방식이 안테나 간 상관도가 존재하는 경우에 강건한 성능을 보임을 검증한다.

• 한국노년학
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• 제39권2호
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• pp.285-304
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• 2019

본 연구는 여가를 통한 작업치료가 노인 환자의 여가 만족도, 일상생활활동 수행 능력, 재활 동기에 미치는 영향을 알아보는 데 목적을 두고 있다. 연구 방법은 실험집단 10명, 통제집단 14명을 대상으로 실험집단에는 인간작업모델(MOHO) 이론 및 Dattilo(2015)의 여가 교육 프로그램 4th Ed. 을 참고하여 구성한 여가를 활용한 작업치료를, 통제집단에는 전통적 작업치료를 실시하였다. 캐나다작업수행측정(COPM)과 일상생활활동 수행 능력 평가(K-ADL·K-IADL), 재활 동기 설문지(PAREMO)를 사용하여 여가 만족도, 일상생활활동 수행 능력, 재활 동기를 측정하였으며 이를 통하여 중재 전, 후 비교와 각 변수 간 상관관계를 분석하였다. 연구 결과, 여가를 통한 작업치료는 여가 만족도, 재활 동기에 유의한 효과를 주는 것으로 나타났다(p<.01). 둘째, 일상생활활동 수행 능력에서는 전통적 작업치료 중재 집단이 통계적으로 더 유의한 결과를 보였다(p<.01). 셋째, 기본적 일상생활활동, 수단적 일상생활활동 사이에서 유의한 상관관계를 보였다(p<.01). 마지막으로, 재활 동기-여가 만족도 사이에서 유의한 상관관계를 보였다(p<.01). 따라서 여가를 활용한 작업치료 중재는 노인 환자의 여가 만족도, 재활 동기에, 전통적 작업치료 중재는 노인 환자의 일상생활활동 수행 능력에 더 긍정적인 효과를 가져온다는 것을 확인할 수 있었다. 후속연구를 진행하여 효과의 일반화 및 지속성, 과정 분석의 객관성을 검증해 나가야 할 필요성이 있으며 구조화된 작업치료 중재 프로토콜에 대한 연구가 추가적으로 진행되어야 할 필요성이 있다.

• 한국치위생학회지
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• 제8권4호
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• pp.65-77
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• 2008

The purpose of this study was to offer basic data in order to make it possible for becoming the mentally more matured dental hygienist by being aware of stress factors on employment in preliminary dental hygienists and examining a coping plan according to it. The self-administered questionnaire research was carried out targeting Dental Hygiene Students at 4 colleges in metropolitan area for 1 month from October to November in 2007. Totally 209 questionnaires were collected. Among them, 206 copies were analyzed with methods in frequency analysis, correlation analysis, and ANOVA analysis by using SPSS WIN10.0 statistical program. As a result, the following conclusions were obtained. 1. 84.5% out of subjects were the active students. 95.2% and over 95.6%, respectively, were surveyed to be more than 'moderate' as for the academic achievement level and the satisfaction with college life. 2. the majority in the survey subjects were researched to receive high stress as for 'a guiding professor doesn't lead and have interest in my employment, thereby being disappointing' and 'failing to be employed is likely to lead to hurting pride so much'. 3. a coping type with stress in the survey subjects was researched to select a coping plan much as for 'sincerely hoping for the work to be well done', 'going out for a change', 'establishing a few countermeasures for solving a problem', 'overeating', and 'waiting while thinking it to be solved some time.' 4. most of stress factors had high correlation with a coping type with saying of 'trying to be alone as a whole', and had high correlation with 'failing to be employed is likely to lead to hurting pride so much' and 'overeating'. Even additionally, it was surveyed to have high correlation with 'smoking' and 'depending on the past experience'.

• 한국전자파학회논문지
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• 제15권10호
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• pp.931-937
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• 2004

본 논문은 주파수 선택적 레일레이 페이딩(Frequency selective Rayleigh fading) 환경 하에서 수신 신호들 간에 상관이 존재할 때, OFDM(Othogonal Frequency Division Multiplexing) 다중 안테나 시스템의 채널 용량을 연구하였다. 송, 수신안테나를 각각 두 개 사용하였을 때, 채널 용량을 상관 계수의 함수로 closed-form 형태로 유도하였고, 각 안테나 당 평균수신 신호 전력이 동일할 때와 동일하지 않을 때 채널 용량에 미치는 영향을 분석하였다. 분석 결과 수신 신호의 상관 계수가 증가할수록 채널 용량이 감소하였고, 수신 신호 상관 계수가 약 0.7보다 클 때 채널 용량은 급격히 감소하였다. 그리고 각 안테나 당 평균 수신 신호 전력이 동일할 때 채널 용량은 최대가 됨을 알 수 있었다.

• 한국간호교육학회지
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• 제19권3호
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• pp.455-464
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• 2013

Purpose: The goal of the study was to investigate nursing students' knowledge and compliance with hand hygiene to find out the variables associated with compliance with hand hygiene. Methods: The participants were 1,020 nursing college students located in Seoul, Ansan and Suncheon. The variables analyzed in this study were; hand hygiene knowledge, hand hygiene compliance, hand washing habits, hand hygiene education with emphasis in school, emphasis on hand washing and role modeling in hospital, and hand hygiene beliefs. Data were analyzed by frequency, $x^2$-test, t-test and Pearson correlation coefficient. Results: 1. The correct answer average percentage of hand hygiene knowledge was 78.4%. 2. The average rates of hand hygiene compliance rate was 78.0% 3. Compliance rate had significant correlation with variables such as hand washing habit, hand hygiene education with emphasis in school, emphasis on hand washing and role modeling in hospital, and hand hygiene belief. Conclusion: 1. It is nessassery for nursing students to receive proper educational on hand hygiene knowledge during practices in nursing school curriculum. 2. Nurses should be encouraged to be a good mentor to nursing students on appropriate hand hygiene compliance in clinical practice.

• 성인간호학회지
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• 제26권6호
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• pp.614-620
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• 2014

Purpose: The purpose of this study was to examine the levels of resilience, depression, and self-esteem of hemodialysis(HD) patients, and to find out the factors influencing resilience. Methods: The subjects of this descriptive correlational study was 83 outpatients in H hospital in Seoul, Korea, who receive hemodialysis regularly. Data was analyzed by SPSS/WIN 18.0 program. Results: The resilience of HD patients were statistically different by gender, job, economical state, most supportive person, and recent condition. Self-esteem had positive correlation, while depression had moderate negative correlation with the resilience of HD patients. In regression analysis, depression had significant explanation power, which accounted for 25.4% of the resilience. Conclusion: The results of this study provide basic data for developing a resilience promoting program. Since health-related conditions of HD patients affect their levels of resilience, individualized assessment and management of complications are necessary. Also, as the resilience is related to family support, activating support groups for HD patients and their spouses would be helpful to promote their resilience.

• The Journal of the Acoustical Society of Korea
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• 제25권4E호
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• pp.154-158
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• 2006

In this paper, we suggest a noise estimation method for speech enhancement in nonstationary noisy environments. The proposed method consists of the following two main processes. First, in order to receive fewer affect of variable signals, a best fitting regression line is used, which is obtained by applying a least squares method to coefficient magnitudes in a node with a uniform wavelet packet transform. Next, in order to update the noise estimation efficiently, a differential forgetting factor and a correlation coefficient per subband are used, where subband is employed for applying the weighted value according to the change of signals. In particular, this method has the ability to update the noise estimation by using the estimated noise at the previous frame only, without utilizing the statistical information of long past frames and explicit nonspeech frames by voice activity detector. In objective assessments, it was observed that the performance of the proposed method was better than that of the compared (minima controlled recursive averaging, weighted average) methods. Furthermore, the method showed a reliable result even at low SNR.