• Journal of Dental Anesthesia and Pain Medicine
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• 제20권6호
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• pp.377-386
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• 2020

Background: To compare pain perception during palatal injection administration in children aged 7-9 years while using pre-cooling of the injection site versus application of topical anesthesia as a pre-injection anesthetic during the six months. Method: A prospective randomized split-mouth crossover trial was conducted among 30 children aged 7-9 years, who received topical application of either a pencil of ice (test group) or 5% lignocaine gel (control group) for 2 min before injection. The primary and secondary outcome measures were pain perception and child satisfaction, measured by the composite pain score and the faces rating scale, respectively. Unpaired t-test was performed to determine significant differences between groups. Results: The test group had significantly lower pain scores for self-report and behavioral measures (P < 0.0001). The changes in physiological parameters at the baseline (P = 0.74) during (P = 0.37) and after (P = 0.88) the injection prick were not statistically significant. Children felt better by the pre-cooling method (P < 0.0001). Conclusion: Ice application using a pencil of ice for 2 min reduced pain perception significantly compared to the use of a topical anesthetic. Moreover, ice application was preferred by children.

• Safety and Health at Work
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• 제13권2호
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• pp.235-239
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• 2022

Background: The purpose of present study was to determine the effectiveness of training program based on job stress management in NEDSA and line staff. Methods: The study method of this study was quantitative and quasi-experimental research Methods: From the statistical population (all employees of the NEDSA and line staff in 2020-2021), 30 of these people were selected by judgmental sampling method and considering the inclusion and exclusion criteria. The participants were first matched based on age and education and were randomly divided into experimental and control groups. First, pre-test was taken from both groups (Job Stress Questionnaire). The experimental group was presented with a job stress management training package and no protocol was presented in the control group. After the sessions, post-test was received from both groups (experimental and control). After two months, a follow-up test was performed. Results: The results were entered into SPSS-24 software and analyzed. The results of repeated measure showed high effectiveness of the job stress management package (researcher-made). The results showed that the job stress management training package showed 67.5% effectiveness and also the training effect of job stress management training was stable for two months (follow-up). Conclusion: Based on these results, Training program based on stress management can be effective in military staff.

• 대한수학교육학회지:수학교육학연구
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• 제10권2호
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• pp.161-182
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• 2000

This study is to develop assessment framework, test items and questionnaire for the National Assessment of Educational Achievement(NAEA), which administered in the elementary and secondary schools across the country in this year(2000). According to the first year study result of the NAEA, the test was administered in two core subjects, Mathematics and Social Studies. In this study, test items and sets of questionnaire and administered pretest were developed in the last year. In this year, the NAEA was administered with the adjusted test items and questionnaires and the results was analyzed and would be reported to the public. NAEA was developed on the basis of national curriculum, especially of the nature and objectives of subject curriculum in Mathematics (and also Social Studies). In the framework of assessment, we set up four differentiated levels of student achievement: 'under basic', 'basic', 'intermediary', and 'advanced'. Here 'the intermediary level' means the level of educational achievement in which students can understand average content of subject curriculum. 'Advanced level' indicates the level of educational achievement in which students master all the content of subject curriculum and apply basic concepts and principles to a variety of situations. 'The basic level' means the level of educational achievement in which students do not achieve the intermediary level. Students who do not understand average content of subject curriculum are classified as belonging to the basic level. Finally, this study would explain how to administer and analyze the test in the future. The test result was analyzed to report students' educational achievement according to regions, content areas, behavioral characteristics, and etc. This study would show how to report test result\ulcorner and how to set up students' academic achievement.

• 한국과학교육학회지
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• 제37권2호
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• pp.225-237
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• 2017

이 연구에서는 예비 화학 교사가 개별적으로 지필평가 문항을 제작하는 과정의 특징을 분석하였다. 이를 위하여 8명의 예비 화학 교사가 기체 법칙에 대한 6개의 지필평가 문항을 제작하는 발성 사고 과정과 개별 심층 면담 전사본을 분석하였다. 분석 결과, 예비교사들은 지필평가 문항 제작 과정에서 문항 제작 계획 단계의 체계성 부족, 수업과 평가의 상호관련성에 대한 인식 및 고려 부족, 문항 유형 결정 기준의 다양성, 문항의 행동 영역과 난이도 판별 곤란, 교사용 지도서 활용의 제한성과 교사용 지도서에 대한 오해, 검토 관점과 내용의 제한성 및 검토시기에 따른 차이점 등의 6가지 특징을 보였다. 이는 예비교사의 지필평가 문항 제작 능력을 향상시키는 방안을 모색하는 데 의미있는 시사점을 제공할 수 있다.

• 대한본초학회지
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• 제30권3호
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• pp.13-17
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• 2015

Objectives : Taraxacum platycarpum H. Dahlstedt has been reported to have several biological properties such as skin hydration and antiinflammation. The purpose of this study was to examine the antidepressive effects of water extract of T. platycarpum (WTP) on an animal model of depression. Methods : In the present study, normal ICR mice (4 weeks) were used, and orally administered with WTP (25, 50 and 100 mg/kg). Depression-like behavior was monitored the forced swimming test (FST) and tail suspension test (TST) in mice. The locomotor activity was evaluated to eliminate the false-positive activity in the open field test (OFT). Fluoxetine, the selective serotonin reuptake inhibitor, as a positive control was intraperitoneally administered at a dose of 15 mg/kg at 30 min before starting the behavioral test. Moreover, we evaluated the effects of WTP on the expression of brain-derived neurotrophic factor (BDNF) and the extracellular signal-regulated kinase (ERK)/ cyclic AMP response-element binding protein (CREB) signaling pathway in the hippocampus using Western blot. Results : The administration of WTP (50 and 100 mg/kg) significantly (P < 0.05, respectively) reduced the immobility time during FST and TST without accompanying changes in locomotor activity by OFT. Furthermore, WTP at dose of 100 mg/kg increased the BDNF expression and the phosphorylation of ERK and CREB in the hippocampus region. Conclusions : These results suggest that WTP has a useful anti-depressant effect through the regulation of BDNF/ERK/CREB signaling pathway.

• 한국수학교육학회지시리즈C:초등수학교육
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• 제5권1호
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• pp.21-39
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• 2001

This study is to develop assessment framework, test items and questionnaire for the National Assessment of Educational Achievement(NAEA), which administered in the elementary and secondary schools across the country in this year(2000). According to the first year study result of the NAEA, the test was administered in two core subjects, Mathematics and Social Studies. In this study, test items and sets of questionnaire and administered pretest were developed in the last year. In this year, the NAEA was administered with the adjusted test items and questionnaires and the results was analyzed and would be reported to the public. NAEA was developed on the basis of national curriculum, especially of the nature and objectives of subject curriculum in Mathematics (and also Social Studies). In the framework of assessment, we set up four differentiated levels of student achievement:‘under basic’,‘basic’,‘intermediary’, and ‘advanced’. Here ‘the intermediary level’means the level of educational achievement in which students can understand average content of subject curriculum. ‘Advanced level ’indicates the level of educational achievement in which students master all the content of subject curriculum and apply basic concepts and principles to a variety of situations. ‘The basic level’means the level of educational achievement in which students do not achieve the intermediary level. Students who do not understand average content of subject curriculum are classified as belonging to the basic level. Finally, this study would explain how to administer and analyze the test int he future. The test result was analyzed to report students’s educational achievement according to regions, content area, behavioral characteristics, and etc. This study would show how to report test results and how to set up student’s academic achievement.

• 정보과학회 논문지
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• 제43권9호
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• pp.1015-1025
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• 2016

소프트웨어 테스트에 대한 중요도는 오늘날의 산업 전반적으로 커지고 있으며 효과적인 테스트를 지원하기 위한 많은 방법들이 연구되고 있다. 이에 테스트 설계를 위해 시스템의 요구사항을 정형화하는 방법으로 모델 기반 테스트가 주로 사용되고 있는데, 반복과 동시성 작업을 포함하는 복잡한 시스템의 경우 경로 폭발을 야기하기 쉬운 문제가 있다. 특히 동시성 작업의 경우 Thread가 추가될수록 기하급수적인 수의 테스트 시나리오가 발생하게 되는데, 기존의 방법으로는 이를 해결하기 어렵다는 문제가 있다. 본 논문에서는 동시성 경로가 가지는 작업적 특성에 주안점을 두고, 이를 탐색하는 새로운 기법으로 경로 폭발 문제를 회피하는 방법을 제안한다. 사례 연구에서는 동시성 작업을 포함하는 시스템을 액티비티 다이어그램으로 표현하고, 기존의 기법이 생성할 테스트 시나리오의 수와 비교하여 본 기법의 효과를 보인다. 본 방법은 적은 수의 테스트 시나리오를 통해 반복과 동시성 작업의 결함을 효과적으로 발견할 것임을 기대한다.

• 한국자원식물학회:학술대회논문집
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• 한국자원식물학회 2019년도 추계학술대회
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• pp.85-85
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• 2019

Objective: In this study, the anti-stress effects of extract of Hydrangeae Dulcis Folium (EHDF) or ethalonic extract of Opuntiaficus-indica (EOF) of natural extracts from Jeju Island were investigated. Methods: We performed measurement of whole-body cortisol level and behavioral experiments including the novel tank test (NTT) or the open field test (OFT) to assess stress responses in zebrafish. To induce physical stress, we used the net handling stress (NHS). Fish were treated with EOF or EHDF for 6 min before they were exposed to stress. And then, we sacrificed fish for collecting body fluid from whole-body or conducted behavioural tests, including novel tank test and open field test, were evaluated to observe anxiety-like behaviours and locomotion. We used the cortisol enzyme-linked immunoassay kit to measure the amount of cortisol in each zebrafish sample. Results: The results indicate that increased anxiety-like behaviours in novel tank test and open field test under stress were prevented by treatment with both EOF and EHDF (P < 0.05). Moreover, compared with the unstressed group, which was not treated with NHS, the whole-body cortisol level was significantly increased by treatment with NHS. Compared with the NHS-treated stressed control group, pre-treatment with each EHDF and EOF for 6 min significantly prevented the NHS-increased whole-body cortisol level (P < 0.05). Conclusions: In conclusion these results suggest that both EOF and EHDF pretreatment may prevent stress responses and that its mechanism of action may be related to its positive effects on cortisol release.

• 정신신체의학
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• 제27권2호
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• pp.155-163
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• 2019

연구목적 본 연구의 목적은 알츠하이머형 치매 및 경도인지장애 환자에서 내측두엽 위축 정도의 차이에 따른 중증도, 신경인지기능 및 행동심리증상을 비교하는 것이다. 방 법 본 연구는 단면 연구로서, 알츠하이머형 치매 및 경도인지장애로 진단받은 114명을 대상으로 하였다. 내측두엽 위축은 표준화된 시각 기반 척도(Scheltens scales)에 의해 평가되었으며, 대상군은 두 그룹으로 분류되었다. 중증도는 임상치매평가척도(Clinical dementia rating, CDR)와 전반적 퇴화 척도(Global deterioration scale, GDS)로 평가되었으며 신경인지기능은 한국어판 간이 블레스드 검사(The Korean version of the short blessed test, SBT-K), 한국형 CERAD (The Korean version of the consortium to establish a registry for Alzheimer's disease, CERAD-K), 행동심리증상은 한국형 신경정신행동검사(The Korean version of the Neuropsychiatric Inventory, K-NPI)로 평가되었다. 내측두엽 위축의 정도에 따른 중증도와 신경인지기능 및 행동심리증상의 차이를 분석하기 위해 독립표본 t-test를 시행하였다. 결 과 내측두엽 위축의 중증도가 높은 군은 낮은 군에 비하여 CDR, SBT-K, 그리고 CERAD-K의 하부항목 중 네가지 항목에서 유의하게 낮은 점수를 보였다(p<0.05). 결 론 내측두엽 위축과 중증도 및 신경인지기능 사이에는 유의한 양의 상관관계가 나타났으나 행동심리증상과는 유의한 상관관계가 나타나지 않았다. 내측두엽 위축의 평가는 인지장애의 진단과 치료에 잠재적 이점을 제공할 것으로 생각된다. 행동심리증상과 뇌구조의 연관성에 대해서는 추가적인 연구가 필요할 것으로 보인다.

• 벤처창업연구
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• 제15권4호
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• pp.231-244
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• 2020

4차 산업혁명의 급속한 진전에 따라 기술 인력은 기업의 핵심 경쟁요소가 되고 있으며 기술교육을 통하여 인력을 양성하는 것은 벤처창업기업의 필수 과제가 되고 있다. 이에 따라 기술 교육과정의 개설과 기업의 교육지원제도는 증가하고 있으나 기술인력 부족현상은 오히려 점차 심화되고 있다. 이에 본 연구는 기술교육의 참여의도에는 인간 행동의 결정요인이 중요하다고 판단하여 이를 설명하는 목표지향행동모델(Model of Goal-directed Behavior)을 토대로 연구모형을 설정하였다. 따라서 목표지향행동모델(MGB)을 기반으로 4차 산업혁명 기술교육의 참여의도에 영향을 미치는 요인을 연구하기 위해 4차 산업혁명 기술교육 참여 잠재 이용자를 대상으로 수집한 250개 설문 데이터를 기반으로 구조방정식 모형을 이용하여 분석하였다. 분석한 결과, 독립변수 중 태도, 주관적 규범, 긍정적 기대정서, 부정적 기대정서는 종속변수인 기술교육 참여의도에 직접적으로 영향을 미친 반면 지각된 행동통제는 기술교육 참여의도에 직접적인 영향력이 없는 것으로 나타났다. 기술교육 참여의도에 대한 독립변수의 영향력 크기는 긍정적 기대정서, 태도, 부정적 기대정서, 주관적 규범 순으로 나타났다. 한편, 열망은 독립변수인 태도, 주관적 규범, 지각된 행동통제, 긍정적 기대정서, 부정적 기대정서와 종속변수인 참여의도 간에 매개역할을 하는 것으로 나타났다. 특히 지각된 행동통제는 기술교육 참여의도에 직접적인 영향은 미치지 않지만 열망을 매개로 하여 기술교육 참여의도에 유의한 영향(완전매개)을 미치는 것으로 나타났다. 본 연구의 학술적 시사점은 다음과 같다. 첫째, 목표지향행동모델(MGB)을 기술교육 분야에 적용하였다. 둘째, 독립변수와 행동의도 간의 직접적인 관계도 동시에 검정하였다. 셋째, 기존의 교육관련 연구와 달리 교육에 참여하는데 있어서 영향을 미치는 요인들을 분석하였다. 넷째, 열망이 교육에 미치는 중요성을 제시하였다.