• Communications for Statistical Applications and Methods
• /
• 제30권5호
• /
• pp.501-516
• /
• 2023

Knowledge distillation (KD) refers to extracting knowledge from a large and complex model (teacher) and transferring it to a relatively small model (student). This can be done by training the teacher model to obtain the activation function values of the hidden or the output layers and then retraining the student model using the same training data with the obtained values. Recently, relational KD (RKD) has been proposed to extract knowledge about relative differences in training data. This method improved the performance of the student model compared to conventional KDs. In this paper, we propose a new method for RKD by introducing a new loss function for RKD. The proposed loss function is defined using the area difference between the teacher model and the student model in a specific hidden layer, and it is shown that the model can be successfully compressed, and the generalization performance of the model can be improved. We demonstrate that the accuracy of the model applying the method proposed in the study of model compression of audio data is up to 1.8% higher than that of the existing method. For the study of model generalization, we demonstrate that the model has up to 0.5% better performance in accuracy when introducing the RKD method to self-KD using image data.

• 대한정형도수물리치료학회지
• /
• 제10권2호
• /
• pp.57-72
• /
• 2004

Background : The part to be very important that we make the physical development rightly at elementary school student days. Objective : This study investigated the relation of a physical health status which itself recognizes and an exercise performance situation out for an elementary school students. Methods : This cross-sectional study examined health and exercise performance status of 1,032 elementary school children. To examine children's a physical injury experience and injury occurrence characteristic and a personal computer utility condition, a body alignment status of the student which parents recognize and the relation of a fatigue and concentration level was an investigation with other factors. Results: An average age of the children was the 10.95 yr and an average weight was the 39.02 kg and an average height was the 145.17cm. The student to be experiencing currently an pain occurrence was 192(19.07%). It was most high to the grade 6(23.33%) compared with different grade(p<.01). Physical pain occurrence rate did not exist by gender(p>.05). There is most an pain occurrence region the ankle(38.0%). They had a 27.19% an physical injury experience of the students. A injury rate was revealed that were high as were the high grade(grade 6, 36.72%)(p<.01). A reason of the injury rate was high in a collision at the body(19.84%), falling down(18.68%) sequence at a traffic accident(22.96%)(p<.05). There were the significant relation to the school year the reason of the injury (p<.05). Currently there was the student to be taking special exercises a 57.97%. This that they have the relation with exercise with physical pain students to recognize 23.8%. The significant relation did not exist in the physical exercise execution and pain occurrence on the body(p>.05).

• 재무관리연구
• /
• 제25권4호
• /
• pp.79-116
• /
• 2008

본 논문은 1980년 1월부터 2004년 9월까지 한국 거래소 시장수익률을 이용하여 RiskMetrics, GARCH, IGARCH, GJR, APARCH 등의 모형에 정규분포, 스튜던트 t분포, 왜도 스튜던트 t분포 등을 이용하여 어느 분포를 가진 모형이 보다 더 정확한 VaR을 추정할 수 있는지를 실증검증 하였다. 실증결과 표본 내 검증 시 모든 신뢰수준($90%{\sim}99.9%$)에서 롱 포지션 전략에서는 ${\lambda}=0.87$를 가진 IGARCH 모형 및 왜도 스튜던트 t분포가 가장 우월하며, 숏 포지션 전략에서는 GARCH 및 GJR 모형이 그리고 왜도 스튜던트 t분포가 가장 우월하였고, 99% 이상의 신뢰수준에서는 또한 ${\lambda}=0.87$를 가진 IGARCH 모형이 롱 및 숏 포지션 양 전략에서 우월하였다. 또한 분포의 경우 롱 포지션에서 왜도 스튜던트 t분포, 숏 포지션에서 스튜던트 t분포가 가장 우월하였다. 표본 외 검증에서도 동일한 결과를 제시하고 있다.

• 한국콘텐츠학회논문지
• /
• 제17권4호
• /
• pp.468-477
• /
• 2017

본 연구의 목적은 간호대학생을 대상으로 학습만족도에 영향을 주는 요인을 파악하여 새로운 학습법을 도입할 때 대상자의 학습만족도를 높이기 위해 고려해야 하는 요소에 대한 기초 자료를 제공하기 위함이다. 본 연구에서는 자기주도학습 준비도, 교수-학생 상호작용, 핵심역량, 스트레스와 학습동기가 학습만족도에 미치는 영향을 분석하였다. 이러한 변수를 측정하기 위하여 자기주도적 학습준비도 검사, 교사-학생관계척도, 대학생 핵심역량, 대학차원의 스트레스 측정도구, 학습동기 측정표, 학습만족도 측정도구를 수정 보완한 도구를 사용하였다. 연구대상은 S시에 위치한 E대학교 간호대학생 2, 3학년을 대상으로 하였으며, 총 132명의 자료가 최종 분석에 포함되었다. 본 연구의 결과 학습만족도는 자기주도학습 준비도(r= .21, p= .018), 교수-학생 상호작용(r= .39, p<.001), 핵심역량(r= .21, p= .014), 학습동기(r= .75, p<.001)와 양의 상관관계를 보였다. 또한 학습동기는 자기주도학습 준비도(r= .24, p= .005), 교수-학생 상호작용(r= .38, p<.001), 핵심역량(r= .21, p= .018)과 양의 상관관계를 보였다. 학습만족도에 영향을 미치는 요인은 학습동기와 교수-학생 상호작용이었으며, 이 2개의 변수로 구축된 회귀모형의 학습만족도에 대한 설명력은 59.7%였다. 따라서 본 연구의 결과 학습만족도를 높이기 위해서는 학습동기를 고취시키고 교수-학생 상호작용이 효율적으로 일어날 수 있도록 하는 중재가 필요하겠다.

• 한국항공운항학회지
• /
• 제28권2호
• /
• pp.1-11
• /
• 2020

This study was carried out to verify how much instructor's communication skill affects the student pilot's study motivation and satisfaction. The instructor's communication styles are classified into 3 groups by pre-analysis. Three types are cooperative type, control type and professional type. Intellectual cause, performance proficiency cause, social cause and stimulation avoidance cause are extracted and analyzed for the cause of study motivation. Cooperative and control type affected all of 4 factors of student's study motivation by influence analysis. Intellectual cause affected control and cooperative type positively, especially more to cooperative type. Performance proficiency cause also had positive influence to control and cooperative type. Stimulation avoidance cause didn't appear to affect all sub-classified 4 factors of instructor's communication type. Influence analysis of student's study satisfaction from instructor's communication style showed that independent variable affected all sub factors positively. Degree of positive influence affected the control type the most, cooperative type was the 2nd, and professional type was the 3rd.

• Journal of the Korean Data and Information Science Society
• /
• 제23권1호
• /
• pp.143-150
• /
• 2012

A대학교에서 상대평가로 성적을 부여하는 강의의 강의평가 자료를 대상으로 강좌특성이 강좌별 강좌평가점수에 미치는 영향을 분석하였다. 분석 결과 강좌별 강좌평가점수는 강좌 수강생의 평균학년과 남학생비율이 높을수록, 수강인원이 적을수록 높게 나타났다. 이러한 결과를 바탕으로 평가자의 학년과 성별의 효과를 통제할 수 있는 평가모형을 제안하고 제안한 사례를 통하여 평가모형의 수행능력을 고찰하였다.

• 실천공학교육논문지
• /
• 제8권2호
• /
• pp.75-81
• /
• 2016

본 연구는 교과지식에 기반하여 공학도의 창의적 문제해결 능력을 증진시킬 수 있는 수업 방법으로 질문생성 전략을 활용한 플립러닝을 제시하고 있다. 설계한 플립러닝 수업을 한 학기 동안 정규학부 공학교육과정과 재직자 계약학과 공학교육과정에 적용하여 그 의미와 효과성을 탐색해 보고자 하였다. 실제 적용사례 연구를 통해 학습자의 플립러닝 수업에 대한 학습자 만족도 및 평가 의견을 조사하고 학습자 문제해결력 변화에 미치는 효과를 분석하여, 이후 수업 설계에서 보다 고려되어야 할 요소들을 도출하였다.

• 한국임상약학회지
• /
• 제23권4호
• /
• pp.300-306
• /
• 2013

Background: 6-year College of Pharmacy curriculum had started in Korea, and the students in college of pharmacy are supposed to have student practice in the hospital pharmacy, community pharmacy, pharmaceutical company and administration to experience the role of pharmacists in advance. However, despite Korean Association of Pharmacy Education provided its own teaching plan, most Pharmacy Schools and the hospital pharmacy have difficulty in performing the desirable student practice program because they seldom experienced it. So, we reported the student practice program in the hospital pharmacy conducted by Yonsei University College of Pharmacy prior to the other numerous universities and the evaluation of survey on the student pharmacy practice program. Method: Severance Hospital, Gangnam Severance Hospital and National Health Insurance Service Ilsan Hospital took part in the student pharmacy practice program of Yonsei University. Students took 8-week pharmacy practice in Severance Hospital or Gangnam Severance Hospital plus 4-week pharmacy practice in National Health Insurance Service Ilsan Hospital. Also, students had once-a-week presentation class at school. A survey was conducted to evaluate the student practice program. Results: The presentation class was considerably helpful to share their own experiences at different practice sites in different hospitals, but there were some disadvantages that students could not experience the specific pharmacy practice site on the day of once-a-week presentation at school and so on. The results of the survey on the student practice program reported that students were satisfied with the overall practice program and presentation class at school. Also, they answered that the student practice program in the hospital pharmacy was significantly helpful for planning of the future career. Conclusion: Through the performance of the student practice program in Yonsei University, the adjustment of the student practice program in the hospital is planned to provide better experience of practice to the students and the results will be helpful for the student practice in the hospital of the other colleges of pharmacy.

• 지역사회간호학회지
• /
• 제13권4호
• /
• pp.826-835
• /
• 2002

Health perception is a very important issue for student nurses to be future health professionals. The concept of health has changed with the emphasis of 'health promotion', and thus nurses now have a demanded role as a health promoter. According to health promotion theories, health-promoting behaviors are affected by cognitive variables, and human behaviors are related to thoughts and perception. This study was conducted to recognize the relationships of attitude toward health behaviors to other health related variables. The data was collected using a self administered survey. The instrument used in this study was attitude of health behavior scales that were developed by Okayama medical school. The subjects were 512 student nurses recruited from 1 college and 3 universities. The data was analyzed using SPSS pc program with mean, correlation. and multiple regression technique. The results were as follows: 1. The mean score of attitude of health behaviors of the student nurses was 8.11, showing a relatively high level. A high score of health belief was reported in 'self-responsible type' with the score of 4.80, and a high score of 'think for health or disease' was reported in passive type with the score of 3.12. 2. Specifically, there were significant positive correlations between the level of 'attitude of health behaviors' and other health related variables such as health perception, think for health or disease, and age. 3. Stepwise multiple regression analysis revealed that active thought, leisure, self-responsible perception and depression accounted for 13%of variance of attitude toward health behaviors. In conclusion, although student nurses certainly perceived the performance of health behavior, they need to learn in more systematical way in order to be a better health promoter, one of the role of nurses. The results of the study suggest that further studies need to be done on attitude toward health behaviors and performance of health behavior by student nurses.

• Journal of Yeungnam Medical Science
• /
• 제34권1호
• /
• pp.62-68
• /
• 2017

Background: This study was conducted to examine the academic achievements of first year medical students in one medical school based on their characteristics and student selection factors of admission. Methods: The admission scores of student selection factors (Medical Education Eligibility Test [MEET], grade point average [GPA], English test score and interview) and demographic information were obtained from 61 students who had interviewed (multiple mini interview [MMI]) for admission (38 graduate medical school students in 2014, 23 medical college-transfer students in 2015). T-tests and ANOVA were used to examine the differences in academic achievement according to the student characteristics. Correlations between admission criteria scores and academic achievements were examined. Results: MEET score was higher among graduate medical students than medical college transfer students among student selection factors for admission. There were no significant differences in academic achievement of first grade medical school between age, gender, region of high school, years after graduation and school system. The lowest interview score group showed significantly lower achievement in problem-based learning (PBL) (p=0.034). Undergraduate GPA score was positively correlated with first grade total score (r=0.446, p=0.001) among admission scores of student selection factors. Conclusion: Students with higher GPA scores tend to do better academically in their first year of medical school. In case of interview, academic achievement did not lead to differences except for PBL.