• 생물정신의학
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• 제12권2호
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• pp.207-215
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• 2005

Objectives:This study was to compare verbal memory ability among patients with schizophrenia, bipolar manic patients and unipolar depressive patients, and to understand their charicteristics of memory process. Methods:All subjects were hospitalized patients and had been interviewed by using the Structured Clinical Interview for DSM-IV(SCID). Schizophrenic patients(N=40), bipolar manic patients(N=17), and unipolar depressive patients(N=20) were assessed with K-AVLT for verbal memory and with K-WAIS for verbal IQ. Three groups were compared regarding total immediate recall, delayed recall, delayed recognition, learning curve, memory retention, and retrieval efficiency under controlled verbal IQ. Multiple regression analysis was performed to find which clinical factors have an influence on verbal memory ability. Results:In MANCOVA, differences of verbal memory test scores among the groups were statistically significant(F=1.800, p<.05). In post hoc analysis, Patients with schizophrenia and bipolar mania showed poorer performance in immediate recall, delayed recall, delayed recognition, retrieval efficiency than unipolar depres- sive patients. And schizophrenics performed poorly in delayed recall, delayed recognition, retrieval efficiency than nonpsychotic affective disorder group, but no difference in total immediate recall, delayed recall, delayed recognition, retrieval efficiency between the schizophrenic group and the psychotic affective group. Conclusions:These results partially confirm previous reports of verbal memory ability among major psychiatric disorders. Our results showed that psychotic symptoms were related with verbal memory, and longer duration of illness was related with poorer performance in schizophrenia and unipolar depression.

• 한국콘텐츠학회논문지
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• 제18권7호
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• pp.423-431
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• 2018

본 연구의 목적은 자막을 활용한 영어수업이 초등학생의 문자인지 능력과 어휘력에 미치는 효과를 실험연구를 통해 살펴보는 것이다. 연구 대상은 전북 지역, G 도시에 위치한 2개의 초등학교 학생으로, 자막이 포함된 동영상을 활용한 영어 수업을 받은 실험반과 자막 없이 동영상을 접한 비교반으로 구분하였다. 각 집단은 2달간 10차시의 수업을 받았으며, 이들을 대상으로 문자인지 능력과 어휘력 검사지를 통해 사전/사후 검사를 실시하고, 자막 활용이 효과를 독립표본 t-검정과 대응표본 t-검정을 통해 살펴보았다. 그 결과 문자인지 능력과 어휘력에 있어 두 집단 사이에 통계적으로 유의한 차이는 발견되지 않았으나, 실험집단의 사전, 사후 검사 결과 사이에는 통계적으로 유의한 차이가 발견되었다. 마지막으로, 연구 결과를 근거로 영어교육의 교육적 함의와 후속 연구를 위한 제언을 논의하였다.

• 한국환경교육학회지:환경교육
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• 제10권2호
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• pp.157-174
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• 1997

The purpose of this thesis is to study recognition and attitude between teachers and students about school environmental education. The data for this study were collected by administering interviews with seven hundred sixty three teachers and one thousand six hundred fifty six students, and make comparison between these teachers and students recognition and attitude for the environmental education by use of research are as follows. The conclusion of this research are as follows. First, In the study of teachers and students recognition and attitudes about environmental education, though they are interested in it, they lack in knowledge and ability to solve real environmental problems. Also, environmental education tends to be dealt with indifferently and formally because of the burden of entrance examination and lack of material concerned. Second, the recognition and attitude of the teacher-student group about the school environmental education have meaningful difference in each region. The suggestions for the improvement of the environmental education based on these conclusions are as follows. First, the more efficient methods and materials of the school environmental education must be developed in order that students may understand the complex property of the environment and at the same time have the ability to improve the environmental quality. Second, the cooperating system of environmental education including the teacher- student- student's parents' should be established in order to develop the recognition and attitudes for the environment. And also for teachers group to get the more professional leadership about environmental education, government' support is needed.

• 융합신호처리학회 학술대회논문집
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• 한국신호처리시스템학회 2001년도 하계 학술대회 논문집(KISPS SUMMER CONFERENCE 2001
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• pp.285-288
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• 2001

본 논문에서는 신호간의 의존성과 관련성이 최소가 되도록 분리하는 독립성분분석 법을 이용하여 입력음성에서 변동량이 많은 방향으로 주축을 찾아 그 정보를 이용하여 데이터의 중복성을 제거한 후 음성특징벡터를 추출하는 방법을 제안한다. 학습 하고자하는 음성인식기의 음성에서 독립성분분석법을 이용하여 특징벡터를 추출하고 HMM 을 사용하여 기존의 음성특징벡터로 사용되는 mel-cepstrum과 비교하여 학습, 인식실험을 수행하였으며 제안한 방법에서 음성인식성능의 향상을 확인할 수 있었다. 또한, 인식시 주변여건에 따라 잡음에 의한 인식성능 저하에도 유연히 대처할 수 있음을 앞 수 있었다.

• 산업융합연구
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• 제13권3호
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• pp.11-25
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• 2015

The purpose of this study is to find out the security guard of the destination and type of terrorism, surveillance, and identification / carried out in order to identify the recognition site the ability to respond to terrorism prevention measures, safety measures on terror. Analysis was conducted by the survey research through the literature for recognition of terrorism in order to derive the measured variables for the general recognition of the guards, pay security guard 300 patients.

• 치위생과학회지
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• 제20권3호
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• pp.163-170
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• 2020

Background: Job satisfaction of dental hygienists has been discussed continuously in dental hygiene research. It has been the most representative performance variable in dental and human resource management. However, in quantitative research, most of the studies have analyzed the causal relationship with variables related to dental hygienists' job satisfaction. The existing qualitative research contains only the studies that targeted dental hygienists with an experience of more than 10 years. The present study aimed to understand and to characterize the job satisfaction of dental hygienists with an experience of 2 to 10 years and to compare it with the qualitative research on dental hygienists with an experience of 10 or more years. Methods: An in-depth interview of dental hygienists with 2 to 10 years of experience working in 10 dental clinics was conducted. For data analysis, Giorgi's analysis method was used. Results: After analyzing the meaning of job satisfaction of dental hygienists, 180 semantic words and 19 subcategories were derived. The results of the interview were categorized into for central meanings: recognition and rewards, work experience and ability improvement, occupational characteristics, and work characteristics. Recognition and rewards included workplace recognition, patient recognition, self-effort and recognition, and the feeling of being rewarded. Work experience and ability improvement included various work experiences and factors relates to improving the work ability. Occupational characteristics included professional job, interest and persistence, job extensibility, and no burden of employment. Work characteristics included working conditions and separation of work and private life. Conclusion: The development of tools to measure the level of dental hygienists' job satisfaction after long-term service and to conduct follow-up research regarding ways and effects to improve job satisfaction is needed.

• 대한전기학회:학술대회논문집
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• 대한전기학회 2004년도 하계학술대회 논문집 C
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• pp.1930-1932
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• 2004

SOM(Self Organizing Map) algorithm which has some advantages such as data accumulation ability and the degradation trend trace ability was compared with conventionally used BP(Back Propagation) algorithm. For the purpose, partial discharge data were acquired and analysed from the artificial defects in GIS. As a result, basically the pattern recognition rate of BP algorithm was found out to be better than that of SOM algorithm. However, SOM algorithm showed a great on-site-applicability such as ability of suggesting new-pattern-possibility. Therefore, through increasing pattern recognition rate it is possible to apply SOM algorithm to partial discharge analysis. Also, for the image processing method it is required the normalization of the PRPDA graph. However, due to the normalization both BP and SOM algorithm have shown worse results, so that it is required further study to solve the problem.

• Macromolecular Research
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• 제17권7호
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• pp.522-527
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• 2009

A photocrosslinkable polyphosphazene was used for molecular imprinting. We synthesized polyphosphazene (3) having urea groups for complexation with N-carbobenzyloxyglycin (Z-Gly-OH, template) and chalcone groups for cross-linking reaction. As substituents, 4-hydroxycha1cone (1) and N-(4-hydroxyphenyl)-N'-ethylurea (2) were prepared. Choloro groups of poly(dichlorophosphazene) were replaced by the sequential treatment with sodium salts of compounds 1 and 2, and trifluoroethanol. The template molecule was complexed with the urea groups on the polymer chains via hydrogen bonding. A thin polymer film was prepared by casting a solution of the complex of polymer 3 and the template in dimethylformamide on a quartz cell and irradiated with 365 nm UV light to yield a cross-linked film with a thickness of about $16{\mu}m$. The template molecules in the film were removed by Soxhlet extraction with methanol/acetic acid. The control polymer film was prepared in the same manner for the preparation of the imprinted polymer film, except that the template and triethylamine were omitted. In the rebinding test, the imprinted film exhibited much higher recognition ability for the template than the control polymer. We also investigated the specific recognition ability of the imprinted polymer for the template and its structural analogues. The rebinding tests were conducted using Z-Glu-OH, Z-Asp($O^tBu$)-OH, and Z-Glu-OMe. The imprinted film showed higher specific recognition ability for the template and the lowest response for Z-Asp($O^tBu$)-OH.

• 한국컴퓨터정보학회논문지
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• 제22권4호
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• pp.123-130
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• 2017

This study investigates the variables associated with the conspicuous consumption patterns of children consumers. The empirical analysis was done on materialism, recognition of advertising, self-regulation ability, and impulsive consumption. The results were as follows. First of all, children consumers tend to a little higher self-directed conspicuous consumption than others-oriented conspicuous consumption. Second, as a result of analyzing conspicuous consumption according to social demographic characteristics, a high tendency of conspicuous consumption was shown in groups that think their household economic status is upper middle class. Third, the variables affecting conspicuous consumption patterns of children consumers were materialism, recognition of advertising, and impulsive consumption. Materialism, recognition of advertising, and impulsive consumption had a positive effect.

• KSII Transactions on Internet and Information Systems (TIIS)
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• 제8권11호
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• pp.4137-4152
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• 2014

This paper investigates the description ability of chaotic feature vector to dynamic textures. First a chaotic feature and other features are calculated from each pixel intensity series. Then these features are combined to a chaotic feature vector. Therefore a video is modeled as a feature vector matrix. Next by the aid of bag of words framework, we explore the representation ability of the proposed chaotic feature vector. Finally we investigate recognition rate between different combinations of chaotic features. Experimental results show the merit of chaotic feature vector for pixel intensity series representation.