• 한국초등과학교육학회지:초등과학교육
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• 제38권1호
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• pp.130-148
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• 2019

This study compared the characteristics of scientific poems written by scientifically-gifted and general elementary students, and their perceptions of writing scientific poem. To do this, 5~6 graders (n=100) at two gifted science education institutes and 5~6 graders (n=93) at a elementary school in Seoul were selected. Scientific poems written by the students were analyzed according to their numbers and types. Their perceptions of writing scientific poems were also analyzed through a questionnaire and group interviews. The analysis of the results revealed that the general students wrote more scientific poems than the scientifically-gifted students for thirty minutes. The general students mainly named the titles in a direct way, while scientifically-gifted students did it in an implicit way. The free verse poems in both general students and scientifically-gifted students appeared most frequently, and the prose or narrative poems also often appeared. The general and scientifically-gifted students frequently used impersonation, and some students did not use metaphors. They didn't connect the scientific knowledge for multiple grade. While the poems of the general students evenly included the scientific knowledge for various academic fields, those of scientifically-gifted students tended to include the scientific knowledge for physics or chemistry. The poems of scientifically-gifted students tended to include more science process skills, especially in basic inquiry skills, than those of general students. The scientifically-gifted students wrote scientific poems in a more expanded form regarding the scientific knowledge, than the general students. Scientifically-gifted students perceived the educational benefits of writing scientific poems more positively based on various cognitive and affective aspects. However, many scientifically-gifted and general students had also several difficulties in the processes of writing scientific poems. Educational implications of these findings are discussed.

• 대한가정학회지
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• 제45권4호
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• pp.1-16
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• 2007

The purpose of this study was to explore the identity of home economics(HE) education by assessing perceptions of HE teacher, students, and general adults regarding the images and characteristics of HE education. Respondents in this study were 234 HE teachers, 505 students, and 264 general adults. Questionnaires were collected through both online and offline. The image and the characteristics of HE education were the factors of the identity that were also the byproducts of HE education operation of the past and present, and had the characteristics in changing in accordance with the change of time. The current image of HE education was shown to positive recognition as the curriculum helpful to the actual living and future living for the HE teacher, students, and the general adults. For the HE teacher, it had strong emotionally warm image similar to the image of 'home', and it was connected to the curriculum image to be acknowledged as good problem solving teachers in terms of competence and conservative image. However, on the images of the HE curriculum and HE teacher, the HE teachers had the most positive recognition, and on the image of the HE curriculum, the students had the most negative recognition while the image of the HE teacher, the general adults had the most negative recognition. The general adults among the three groups recognized the HE curriculum as the most technical oriented curriculum while the students recognized as interesting curriculum, curriculum contributing on society. In the meantime, for the characteristic of the HE education, the HE teachers recognized that it had weak female curriculum characteristics and strong living functional curriculum characteristics, and the practical curriculum characteristics would be important in the future. Accordingly, the identity of the HE education formulated might be considered as the practical curriculum that was helpful to problem solving in actual living of the family and family members with the connection to the concept of 'home'. However, depending on the definition on implication of practice and issue of actual living, the characteristics and appearance of the HE education had been changed and might interpret as changing according to the above.for the fertility policy and the methods for the estimation of the child cost were suggested based on the results.

• Journal of Dental Anesthesia and Pain Medicine
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• 제15권3호
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• pp.113-119
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• 2015

Background: The inferior alveolar nerve block (IANB) is the most common anesthetic techniques in dentistry; however, its success rate is low. The purpose of this study was to determine the correlation between IANB failure and mandibular skeletal characteristics Methods: In total, 693 cases of lower third molar extraction (n = 575 patients) were examined in this study. The ratio of the condylar and coronoid distances from the mandibular foramen (condyle-coronoid ratio [CC ratio]) was calculated, and the mandibular skeleton was then classified as normal, retrognathic, or prognathic. The correlation between IANB failure and sex, treatment side, and the CC ratio was assessed. Results: The IANB failure rates for normal, retrognathic, and prognathic mandibles were 7.3%, 14.5%, and 9.5%, respectively, and the failure rate was highest among those with a CC ratio < 0.8 (severe retrognathic mandible). The failure rate was significantly higher in the retrognathic group than in normal group (P = 0.019), and there was no statistically significant difference between the other two groups. Conclusions: IANB failure could be attributable, in part, to the skeletal characteristics of the mandible. In addition, the failure rate was found to be significantly higher in the retrognathic group.

• 복식
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• 제57권7호
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• pp.1-14
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• 2007

This study investigates the differences between the satisfaction factors of store characteristics depending on on-line clothing store type and its satisfaction index. The collected data were analyzed by using SPSS 10.0 software with various techniques such as paired t-test, T-test, Cronbach's ${\alpha}$ reliability and factor analysis that use principal component analysis and Varimax orthogonal rotation were used. The results are summarized as follows: 1. By categorizing the level of on-line store characteristics satisfaction depending on its type, clarifies the differences between its satisfaction. The satisfaction rank of general merchandise store was as followed: searching and approaching system, buying process service, screen-displayed design, product, store credit. On the other hand, the satisfaction rank of general store was as followed: screen-displayed design, store credit, buying process service. 2. By analyzing the difference of satisfaction depending on the store type, it was found that general merchandise store was more satisfied with screen-displayed design, approaching and searching, whole payment process, the safety of payment and shipping service, security service when compared to specialty store. It was also found that specialty store was more satisfied with the variety of product, update of rare items, quality and price of product. 3. By analyzing the difference between the type of on-line clothing store satisfaction depending on age, in the case of general merchandise store, the result showed that people in their thirties were more satisfied with buying process service, store credit, customer management system when compared to twenties. In the case of specialty store, the result showed that people in their twenties were more satisfied with customer management service when compared to thirties, and when it came to buying process service, it was vice versa.

• 한국과학교육학회지
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• 제26권3호
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• pp.307-316
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• 2006

본 연구의 목적은 초등학교 과학영재 학급 학생들의 지적 특성을 분석하는 것이다. 이 목적을 위하여 72명의 과학영재학급 학생들을 선발하였다. 그리고 이 학생들의 다중지능, 창의성, 그리고 과학탐구능력을 조사하였다. 그리고 이러한 과학 영재 학급 학생들의 특성을 일반 학생들의 특성과 비교하기 위하여 78명의 일반학생들을 대상으로 동일한 검사를 실사하였다. 그 결과, 과학영재교육을 받는 학생들은 논리 수학적 지능, 개인이해 지능, 자연탐구 지능이 일반학생보다 유의미하게 높았으며, 특히 논리 수학적 지능과 개인이해 지능은 강점 지능으로 나타났다. 그러나 8개지능 가운데 음악적 지능은 약점으로 나타났다. 과학영재 학급 학생들은 창의력과 과학탐구능력도 일반학생들보다 뛰어났다. 초등학교에서 이루어지는 과학영재교육 프로그램의 효율올 높이기 위하여 우리는 영재 교육을 받는 학생들의 이러한 지적 특성을 고려할 필요가 있다.

• 디지털산업정보학회논문지
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• 제17권3호
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• pp.17-26
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• 2021

Internet of Things is an infrastructure of the interconnected devices. In Internet of Things environment, many smart devices are used in daily life. It requires a new retrieval method using multiple devices. We propose an information retrieval method using both device characteristics and device usage characteristics in multi-device environments. Firstly, information retrieval is performed using a general purpose device. And then, it is performed using dedicated devices. Our method uses both characteristics of the devices and usage characteristics of them. Moreover, it considers queries on the general purpose device. This paper proposes a new retrieval method and describes algorithms. Then, it presents smart home scenarios. Performance evaluation is performed using the scenarios. The evaluation results show higher precision and efficiency than previous researches. The proposed method gets information more accurately and quickly in IOT multiple device environments.

• 대한간호학회지
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• 제21권3호
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• pp.418-435
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• 1991

The purposes of this study were to find out the effects of hospice care for the quality of life of the terminally - ill patients and to analyze the relationship between the effect of hospice care and the general characteristics of subjects. The subjects of the study were 32 terminally - ill patients hospitalized in the two general hospitals in Seoul, which have the hospice care unit. The data were collected using the questionnaire with interviews. They were done from Sept.28, 1989 to March 20, 1991. The tools used for the research were 17-item questionnaire regarding general characteristics, 42-item questionnaire about the quality of life (11- item for physical, 16 for psychosocial, and 15 for spiritual). The questionnaires were to measure the duality of life by means of the measure instruments of Betty R. Farewell(1989), Stein Kaasa(1988), Palm Pamela(1987), and Hwa-sook Choi(1987). 42 items were used after pre-test. In accordance with each purpose in this study, frequency and percentage were used on the general characteristics of subjects. ANOVA, t-test, and Pearson correlation were employed to evaluate the general characteristics of subjects and different level of quality of life before-and-after hospice care. The results of the study may be summarized as follws : 1. The effects of hospice care. Main Hypothesis : “The quality of life of the terminally - ill patients will be different from before-and-after hospice care” was supported(t＝6.82, df＝31, p＝ .000). Sub Hypothesis 1 : “The quality of life of the terminally - ill patients in the physical aspects will be different from before - and -after hospice care” was not supported(t＝0.07, df＝31, p＝ .946). Sub Hypothesis 2 : “The quality of life of the terminally - ill patients in the psychosocial aspects will be different from before-and-after hospice care” was supported (t＝4.69, df＝31, p＝ .000). Sub Hypothesis 3 : “The quality of life of the terminally - ill patients in the spiritual aspects will be different from before-and-after hospice care” was supported(t＝6.64, df＝31, p＝ .000). 2. Relationship between the general characteristics of subjects and the effects of hospice care. (1) The more the number of family, the higher the quality of life in the psychosocial aspects. (2) The higher the age of the patient, the lower the quality of life in the psychosocial aspects. (3) The high educational level of patients enjoy the high quality of life in general. (4) The high religious level of petients enjoy the higy Quality of life in the spiritual aspects. As a results of analysis above : 1. The most effective aspects of the hospice care to the terminally- ill patients was spiritual aspects. The next effective aspects was psychosocial area. 2. The least effective aspcets of the hospice care to the terminally- ill patients was physical aspects. Further study is needed to improve the quality of life in the physical aspects.

• 영재교육연구
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• 제22권4호
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• pp.943-966
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• 2012

본 연구의 목적은 중학교 과학영재 학생과 일반학생간의 리더십 특성과 정서지능을 비교하고 정서지능이 리더십 특성에 미치는 영향을 조사하는 것이다. 연구의 대상은 경기도 S시 중학교 과학영재 학생 150명, 일반학생 130명이다. 본 연구의 결과는 다음과 같다. 첫째, 과학영재 학생과 일반학생간의 리더십 특성 총점 및 리더십 하위요인별 특성은 차이가 있었다. 일반학생보다는 과학영재 학생의 리더십 특성의 평균이 더 높게 나타났으며 통계적으로 유의미한 차이가 있었다. 성별에 따른 리더십 특성의 차이를 비교한 결과 영재학생은 2개 하위영역에서, 일반학생은 1개 하위영역에서 여학생의 점수가 유의미하게 높은 것으로 나타났다. 둘째, 과학영재 학생과 일반학생간의 정서지능 총점과 정서지능 하위요인 중 '정서의 사고촉진 능력'과 '정서지식의 활용 능력'에서는 두 집단 간에 통계적으로 유의미한 차이가 나타났다. 성별에 따른 정서지능의 차이를 비교한 결과 영재학생, 일반학생 모두 1개 하위영역에서 여학생의 점수가 유의미하게 높은 것으로 나타났다. 셋째, 중학교 과학영재 학생의 리더십 특성과 정서지능 간에는 유의미한 정적 상관관계가 있는 것으로 나타났다. 넷째, 과학영재 학생의 정서지능이 리더십 특성에 미치는 영향이 어떠한지 알아보기 위하여 다중회귀분석을 실시한 결과 정서지능이 리더십 특성에 유의미하게 영향을 미치는 것으로 나타났다.

• 스마트미디어저널
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• 제3권1호
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• pp.33-38
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• 2014

소비전력 증가와 같은 문제점들로 인하여, 마이크로프로세서만으로는 컴퓨팅 시스템의 성능을 향상시키기 점점 어려워지고 있다. 이와 같은 상황에서, 대용량 병렬 연산에 특화된 그래픽 처리 장치를 활용하여 중앙 처리 장치가 담당하던 범용 작업을 수행하게 하는 범용 그래픽 처리 장치 기술이 컴퓨터 시스템의 성능을 개선시킬 수 있는 방안으로 주목을 받고 있다. 하지만, 그래픽스 관련 응용프로그램과 범용 응용프로그램의 특징은 매우 상이하기 때문에, 그래픽 처리 장치가 범용 응용프로그램을 수행하는 경우에는 많은 제약 사항으로 인하여 자신의 뛰어난 연산 자원을 활용하지 못하는 실정이다. 일반적으로 그래픽스 관련 응용프로그램에 비해 범용 응용프로그램은 메모리를 매우 많이 요청하기 때문에 범용 그래픽 처리 장치 기술을 효율적으로 활용하기 위해서는 메모리 설계가 매우 중요하다. 특히, 긴 접근 시간을 요구하는 외부 메모리 요청은 성능에 큰 오버헤드이다. 그러므로 외부 메모리로의 접근 횟수를 줄일 수 있는 다중 레벨 캐쉬 구조를 효율적으로 활용할 수 있다면, GPU의 성능은 크게 향상 될 것이 분명하다. 본 논문에서는 다중 레벨 캐쉬 구조에 따른 그래픽 처리 장치의 성능을 다양한 벤치마크 프로그램을 통하여 정량적으로 분석하고자 한다.

• 한국건축시공학회:학술대회논문집
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• 한국건축시공학회 2009년도 추계 학술논문 발표대회
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• pp.113-116
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• 2009

This study analyzed fire-resistant characteristics according to changes in repair methods of PFH mixed high-strength concrete roof structures having undergone fire damage. The results of the study are as follows. First, as a repulsive characteristics of structures, the remaining repulsion was shown to increase following fire-resistance tests according to increases in depth of coverings. The results of the relationship between depth of coverings and remaining repulsion rates following fire-proofing tests showed a high correlation. At a covering depth of 67.3mm, remaining repulsion rate was estimated to be 100%. For fire-resistant characteristics following repairs of structure, as for spalling, severe separation was shown in the case of general plaster while general plaster + Metal Lath showed overall superior spalling prevention. For internal structure temperatures, general plaster showed max temperatures of 705℃, average temperatures of 636℃ while general plaster + metal lath showed max temperature of 660℃ and average temperature of 520℃, demonstrating lower temperature distributions than use of only general plaster. In conclusion, after removing the covering of structures damaged due to high temperatures of fires within high-strength concrete installations, the use of fire-resistant mortars and applying metal laths on surfaces of general plaster will provide superior fire-resistance performance in the occurrence of a 2nd fire.