• 한국태양에너지학회:학술대회논문집
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• 2009.04a
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• pp.97-101
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• 2009

Calculating and predicting the thermal comfort in outdoor environment are difficult than in indoor environment because composition parameters are variable, interrelations among parameters are very complex and human activities in outdoor are diverse. Moreover, the thermal expectancy of subject in outdoor environment is different from that of indoor environment. The aims of this study are to examine the difference between indoor and outdoor thermal comfort range. With this in mind, field measurement for estimating outdoor thermal environment and a questionnaire survey with simultaneous measurement around the subject were conducted.

• Journal of Digital Convergence
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• v.13 no.11
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• pp.365-371
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• 2015

This experimental research explores the effect of the movie that can be classified as non-news media on viewers' political and social attitude on the theoretical basis of priming effect, focused on the movie 'cart' that deals with non-regular workers' labor movement. For this experimental research, one group of subjects composed of university students were exposed to movie 'cart', and the other not to the movie. After watching a movie, each group of subjects responded to questions that are designed to measure the seriousness of non-regular workers' problem, the necessity of labor movement, support of opposition party, support of the current government. This research found that subjects exposed to the movie 'cart' consider non-regular workers' problem more serious and supports opposition party more positively than subjects not exposed to movie 'cart.' However hypotheses that expected the positive support of treated subjects on labor union and less positive support of treated subjects on current government were rejected.

• Journal of Digital Convergence
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• v.12 no.11
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• pp.499-504
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• 2014

This experimental research explores the effect of infographic, visual element of TV news, on audience's memory and comprehension. For this experimental research, 2 groups of subjects composed of 87 university students were exposed to two different types of TV news, one group was exposed to news with infographic, the other group was exposed to news without infographic. and questions which were designed to measure recognition memory, recall memory, and comprehension, were asked and analysed. This research found that subjects who watched news with infographic showed higher degree of recall memory and comprehension than those who watched news without infographic. however effect of infographic on audience's recognition memory could not be found.

• Proceedings of the Korean Society for Emotion and Sensibility Conference
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• 2002.11a
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• pp.132-139
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• 2002

본 실험은 청각 사상관련전위(ERP)를 이용하여 다양한 성격 특질 모형들의 생물학적 근거와, 구조의 공통점과 차이점을 명확히 하기 위해서 설계되었다. 48명의 대학생 피험자들에게 4가지 성격 측정 검사(NEO-PI-R, EPQ-R, BIS/BAS 척도, IVE)를 시행하고, 이어 두 종류의 청각 자극 세트(50ms와 300ms)를 이용한 오드볼 과제를 통해 ERP를 측정하였다. 설문지 간의 상관과, 설문지와 ERP 내외생적 구성 요소 간의 상관, 그리고 그 상관의 두피 분포 양상을 통합적으로 고려하여 해석하였다. 각 성격 검사의 외향성 척도에 해당한다 할 수 있는 E, E, BAS-FUN은 양성 모두에서 높은 수준의 설문지 척도 간 정적 상관을 보였으나, 50ms 자극으로 유발된 P3 진폭은 E와 BAS-FUN에 대해서만 유의하게 높은 상관을 나타내었다. 이 결과는 Eysenck의 모델과 일견 일치하는 결과이지만, 그가 개발한 EPQ-R의 외향성 척도(E) 보다는 오히려 다른 척도들이 뇌파에 반영된 성격의 생물학적 기제를 측정하기 위한 적절한 도구일 수도 있음을 시사한다. 신경증적 경향성을 반영하는 N과 N 척도는 50ms 자극에 대한 여성 피험자의 N1, P2 진폭과 유의한 상관을 보였다. 그러나 이론적으로 두 척도에 등가적인 것으로 예상되었던 BIS 척도는 설문지 간 상관이나 ERP 요소와의 상관에서 모두 유의한 결과를 보이지 않았다. Eysenck가 성격의 세 번째 축(차원)으로 제시했던 P(정신병적 경향성) 역시 여성 피험자들에게서 두드러지는 설문지 간 상관을 보였으나, 300ms 자극에 대한 P2 진폭과의 정적인 상관은 양성을 합한 자료에서만 발견되었다. 여성의 상관 분포는 비록 통계적으로 유의한 수준에는 이르지 못하였으나, 양성 자료의 분포와 유사함이 확인되었다. 이 실험의 결과는 P3 진폭과 외향성 간의 부적인 상관 관계를 보고하였던 기존 연구들을 지지한다. 또한 본 실험에서 확인된 Eysenck 모델의 신경증적 경향성이나 정신병적 경향성이 ERP의 비교적 초기에 나타나는 외생적 구성 요소들(N1, P2)과의 상관 양상은, P3 요소에 집중하였던 기존 연구들이 외향성 이외의 차원으로 일관된 결과를 얻어내지 못했던 이유를 설명해줄 수 있을 것이다. 또한 성격 차원과 그것을 지표 하는 ERP 구성 요소 간의 관계를 해석할 때에 성별이나 유발 자극의 속성을 고려해야 함을 보여준다.

• Proceedings of the Korea Information Processing Society Conference
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• 2015.04a
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• pp.873-874
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• 2015

단백질 의약품 개발 시 단백질 구조는 단백질 기능을 규명하기 위한 필수적인 정보이다. 따라서 단백질 구조를 효과적으로 전달할 수 있는 단백질 가시화 서비스가 증가하고 있으며, 대표적으로 Cn3D, Jmol, Chimera 등이 있다. 각 서비스는 단백질 가시화 서비스와 함께 단백질 분석을 위한 부가 기능을 제공하고 있다. 본 논문에서는 단백질 의약품의 효율적 정보전달 서버스를 위한 사전 연구로 업계종사 기간이 5년 이상인 피험자를 대상으로 단백질 가시화 이용현황을 설문하였다. 설문 분석 결과 자주 이용하는 단백질 가시화 서비스로 피험자 모두 PDB를 사용한다고 응답하였으며, 단백질 1, 2차구조 혼합 가시화 서비스를 일주일에 4회 이상 사용하는 응답자가 58.3%였다. 특히 단백질 의약품 개발 시 반드시 필요한 단백질 정보로는 91.6%가 단백질 1차구조, 단백질 2차구조, 단백질 2차구조 비율이라고 응답하였다.

• Journal of Digital Convergence
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• v.12 no.1
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• pp.525-530
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• 2014

This experimental research explores the effect of screen size of smart media on viewer's evaluation and presence. For this experimental research, 2 groups of subjects composed of university students were exposed to TV document video clips which were shown by two different size of smart media, and evaluation and presence related questions were asked analysed. This research found that subjects exposed to large smart media showed higher degree of image aesthetic evaluation and presence than those exposed to small media. but the effect of screen size of smart media on viewer's program evaluation was not found. Through this study, screen size of smart media is main factor which has effect on image aesthetics and presence of TV documentary.

• Journal of the HCI Society of Korea
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• v.9 no.1
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• pp.11-21
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• 2014

We present an experimental framework to analyze the physical reactions and causal factors of Visually Induced Motion Sickness (VIMS) using electroencephalography (EEG) signals and vital signs. We studied eleven subjects who are voluntarily participated in the experiments and conducted online and offline surveys. In order to simulate videos including global motions that could cause the motion sickness, we extracted global motions by optical flow estimation method from hand-held captured video recordings containing intense motions. Then, we applied the extracted global motions to our test videos with action movies and texts. Each genre of video includes three levels of different motions depending on its intensity. EEG signal and vital sign that were measured by a portable electrocorticography device and an electronic monometer in real time while the subjects watch the videos including ones with the extracted motions. We perform an analysis of the EEG signals using Distance Map(DM) calculated by correlation among each channel of brain signal. Analysis using the vital signs and the survey results is also performed to obtain relationship between the VIMS and causal factors. As a result, we clustered subjects into three groups based on the analysis of the physical reaction using the DM and the correlation between vital sign and survey results, which shows high relationships between the VIMS and the intensity of motions.

• The Journal of Natural Sciences
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• v.10 no.1
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• pp.133-140
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• 1998

The purpose of this study was to analyze the differences between the real body size that had measured and self-conceptual body size. For this, measurements and survey were practiced to 85 subjects who were divided by three groups as the degree of fatness. Followings were the findings of this research: 1)Self-conceptual body size items that were related with clothing size spec expressed the same results with the real body size. 2)Self-conceptual body size items that were not offered the practical information for bo요 size such as height, fatness and length of leg were related with the ideal image that was preferred by subjects.

• Journal of the Korean Applied Science and Technology
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• v.40 no.6
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• pp.1330-1339
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• 2023

In order to verify whether the serum using the medicinal plant Coptis japonica is effective in anti-aging of the skin, the improvement rate was analyzed by measuring the skin elasticity and radiance of the subjects, and the satisfaction was evaluated through a questionnaire. Twenty-two female subjects were given a serum containing 3% Coptis Japonica extract on one cheek for 4 weeks, and the test site was measured, and the skin elasticity increased by 5.73% from 0.8505 ± 0.0395 R2 (mm) before use to 0.8993 ± 0.0234 R2 (mm) after 4 weeks. Skin glow increased by 4.74% from 55.94 ± 5.49 (a.u.) to 58.59 ± 4.66 (a.u.), and the probability of significance was p<0.001, indicating a significant increase in the improvement rate of both items. It was found that all subjects were 100% satisfied with the improvement of elasticity and 95.5% satisfied with the improvement of radiance, and no skin abnormalities were found during the trial period. These results are expected to be used as basic data for future research and product development of anti-aging functional cosmetics using Coptis Japonica extract.

• Proceedings of the Korean Society for Emotion and Sensibility Conference
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• 2002.11a
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• pp.120-127
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• 2002

본 연구는 특성(trait) 이론에 기반한 Eysenck의 EPQ-R 설문지와 EEG 변수들간의 상관 관계에 대한 실험적 연구로서, 피험자들은 한국판 EPQ-R 설문지를 작성하였고, 2회에 걸쳐 눈을 감은 조건, 눈을 뜬 조건, 암산과제 수행 조건에서 EEG를 측정하였다. Neuroticism 은 눈을 뜬 조건에서 theta 파와 부적 상관을 보였으며, Psychoticism 은 눈을 감은 조건에서 alpha 파와 정적상관, delta 파와 부적 상관을 보였는데, 이것은 Robinson(2001)의 이론과 일치하는 결과이다.