• 정보교육학회논문지
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• 제21권4호
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• pp.463-474
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• 2017

현대는 소프트웨어 융합의 시대이다. 4차 산업혁명이라고 불리우는 이러한 변화가 우리 삶의 거의 모든 분야에 영향을 미침에 따라 초 중등 교육의 내용도 이러한 변화를 수용해야 한다는 요구를 반영하여 2015 개정 교육과정에서 소프트웨어 교육이 강화되었다. 본 연구는 초등 소프트웨어 교육을 위하여 플립러닝을 위한 STEAM 기반 초등 알고리즘 학습용 모바일 웹 앱을 활용한 교육이 초등학생의 문제해결과정에 미치는 영향을 분석하여 그 효과성을 검증하는 데 목적이 있다. 이를 위해 본 연구에서는 새로운 소프트웨어 교육을 위하여 초등학생의 플립러닝에 기여할 수 있도록 모바일 기기를 교육에 응용하여 IT 융합시대에 적합한 STEAM 기반 모바일 콘텐츠를 개발하였다. 그리고 개발한 모바일 자료를 초등학교 5학년 대상으로 모바일 기기를 활용하여 플립러닝 수업을 진행한 실험집단에 적용하였고, 활동지를 활용하여 강의식 수업을 진행한 통제집단과 문제해결과정을 비교할 수 있는 통계적 t-검증을 실시하였다. 그 결과 실험집단과 통제집단 간의 문제해결과정에 통계적으로 유의미한 차이가 있음이 검증되었다. 따라서 본 연구결과를 토대로 STEAM 기반 모바일 학습자료 활용 교육이 초등학생의 문제해결력 향상에 효과적임을 확인하였다.

• 대한간호학회지
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• 제27권4호
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• pp.807-819
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• 1997

The purpose of the study was to identify the effects of a 12-week low-intensity exercise program on muscle strength, flexibility, balance, and cognitive characteristics related to the performance of activity of daily living(ADL). A total of 16 patients who were admitted to the medical unit of a general hospital in ChoongChung province were recruited, eight for the exercise group and eight for the comparison group. Four levels of low-intensity exercise from 'ROM on bed' to 'exercise while walking' were then applied to the exercise group according to their physical condition. During hospitalization, patients in the exercise group performed each level of the prescribed exercise with the researchers until they felt comfortable doing it independently. The researchers also visited the patients' homes after discharge to make sure they could perform the exercise with Theraband in their living environment. The exercise group was contacted by phone once a week to assess the frequency and intensity in which they performed the exercise as well as their physical condition. The subjects in the comparison group participated in measurements for the study without performing the exercise and were contacted by phone after discharge, in a matched time frame with the exercise group, to assess physical condition. Muscle strength, flexibility, balance, cognitive characteristics, and performance of ADL for the two groups were compared at the pretest and the posttest after the low-intensity exercise program by utilizing SPSSWIN and the results are as follows : 1) At the postest, measurements of muscle strengths showed that the strength of the dorsal flexor in the exercise group was significantly higher than in the comparison group. 2) Objective balance for the exercise group was significantly better than for the comparison group as measured by 'standing on one foot' and Tinetti gait and balance control. 3) The exercise group showed significantly higher task self-efficacy than the comparison group. 4) Perceived exertion for ADL for the exercise group was significantly lower than for the comparison group. 5) Improvement of performance of ADL without assistance was significantly higher for the exercise group than the comparison group. The findings suggest that a low-intensity exercise program would be useful for the elderly who show decline in their physical functioning due to hospitalization by partly improving physical strength, task self-efficacy, and performance of ADL. Directions for further research on issues of motivating people to exercise as well as of standardizing various types of exercise were discussed.

• 대한간호학회지
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• 제25권1호
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• pp.45-60
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• 1995

This study investigated the effects of education program conducted through individual home visit by CHPs, which was developed ,by the operational re-search technique for families of dementia patients. (Yeo Shin Hong et at,1994) The study was conducted in the form of a primary experimental design with 43 people as subjects, including dementia patients and family member in several Myon areas of Chungcheong Namdo between June 10 and August 20, 1994. The data was collected by questionnaires through the home visit by the CHPs. The results of study are as follows. 1. There is no difference in the quality of life between before and after the education program. 2. Role stress 'before the education program' was significantly different than 'after the education program'. 3. There was no difference in the feeling of burden between before and after the education program. 4. There was a significant difference in the abnormal behaviors of patients between before and after the education program. 5. The knowledge of dementia by the patient's family increased significantly after the education program, compared to that of 'before the education program'. 6. There was a significant difference in the attitude of family members toward the education program on dementia between before and after the education program. 7. The results of analysis on the coefficient relationship of various variables showed that the age of patients and family members have a significant correlation with role stress(p=.01). 8. In the subjective evaluation of family members on changes in actual nursing actions and the improvement of knowledge and technique in terms of daily living, (including abnormal behavior of patients, adjustment of environment for patients, activity programs for patients, communication technique with patients, ensuring the safety of patients, clothing, meals and elimination, 60-65% of family members responded that their knowledge had increased. As for improvement in techniques for each item, the technique for communication with patients showed the greatest improvement while the action program method for patients showed the least change. As for the nursing service provided to patients, most respondents showed a positive change. The specific items for which more than 80% respondents answered positively were as follows : recognizing the demand of patients, getting patients to do simple house works, talking softly and gently, removing dangerous things, preparing comfortable clothes that are easy to put on and take off, and limiting water consumption at night. As a result of study, the following suggestions can be made. The purpose of the study was to examine the effect of an education program developed and applied for dementia patients and family members in the community. This needs to be compared with a similar study conducted in the urban setting. In addition, a community service program (ex : nursing hem and shelter) including the application of the education program should be developed and the study done to investigate its effect.

• 지역사회간호학회지
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• 제9권2호
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• pp.396-409
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• 1998

The purpose of this study is to inquire into the degree of health promotion activity of university students, and to confirm the general factors of health promotion behavior in order to offer basic data for a nursing strategy to improve health promotion behavior. For this research, data was collected from university men and women through questionnaires from February 18 to March 20 in 1998. The author develop a measuring instrument on the basis of related reviews of health promoting behavior in the prevention of chronic disease, as well as accounting for demographic factors, biological factors, and circumstanctial factors. The content validity of the instrument was authenticated by two professors of the science of nursing,. and the reliability was confirmed by a 'cronbach' ${\alpha}'$ after moditying the content through a pre-test on 30 students. 475 persons were analyzed in terms of an average, percentage, t-test, ANOVA by 'SPSS-PC'. The analyzed data was the following. 1. The acting degree of health promoting behavior was 3.26 point out of 6. Among the sub-levels of health promoting behavior, the order of importance was the following. self-actualization (4.62), interpersonal(4.60), stress management (4.0l), nutrition(3.68), responsibility(3.1l), liquid and cigaretles ues(2.85), and exercise (2.33). 2. The differences in health promoting behavior according to subject's general character were the following. Age(F=6.012, p=.003), major (F=7.243, P=.000), sex(t=7.60, P=.000), religion(F=2.454, p=.045), living status(F= 2.849, p=.024), health concern of parents(F= 7.596, P=.000), taking health programs(F= 2.710, p =.007), case history of the family( t = -1.980, p=.048). Health promoting behavior is affected by a higher age, majoring in the social sciences, having religion, male, living in the relatives' home, having to take health programs and a higher health concern of the parents. Suggestions: 1. The degree of health promoting behavior appears low in this study. It is crucial, therefore, to develop a health program to improve health promoting behavior and to study how to center the daily health life of students.

• Asian-Australasian Journal of Animal Sciences
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• 제33권5호
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• pp.732-741
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• 2020

Objective: The study was conducted to investigate the effects of Broussonetia papyrifera L. (B. papyrifera) silage on growth performance, serum biochemical parameters, meat quality, and meat amino acids and fatty acids compositions in beef cattle. Methods: Sixty-four male Angus beef cattle were assigned to 4 groups with 4 pens in each group and 4 beef cattle in each pen, and fed with the total mixed ration supplemented with 0%, 5%, 10%, or 15% B. papyrifera silage for 100 days (control group, 5% group, 10% group and 15% group) separately. Results: Beef cattle had significantly higher final body weight (BW) in 15% group, higher average daily gain (ADG) and dry matter intake (DMI) in 5% group, 10% group and 15% group, and higher feed conversion ratio (FCR) in 10% group and 15% group. Significantly higher blood superoxide dismutase (SOD) concentration was noted in 15% group, higher blood total antioxidant capacity (TAC) in 10% group and 15% group, lower 8-hydroxydeoxyguanosine (8-OHdG) and malondialdehyde (MDA) in 15% group. Meat had lower pH in 15% group, higher Commission International DeI'Eclairage (CIE) L^⋆ in 5% group, 10% group, and 15% group, and lower drip loss in 15% group. Greater concentration of meat polyunsaturated fatty acids (PUFA) was observed in 10% group and 15% group, and docosahexaenoic acid (DHA) in 15% group. Conclusion: Diet with 15% B. papyrifera silage could improve performance and increase final BW, ADG, DMI, and FCR, enhance the antioxidant functions by decreasing blood 8-OHdG and MDA and increasing blood SOD and TAC, improve the meat quality by lowing pH and drip loss and increasing CIE L^⋆, increase the meat PUFA and DHA concentration. Polyphenols and flavonoids might be the main components responsible for the antioxidant activity and anti-biohydrogenation in the B. papyrifera silage. And B. papyrifera silage could be used as a new feedstuff in beef cattle nutrition.

• 대한지역사회작업치료학회지
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• 제4권1호
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• pp.59-73
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• 2014

목적 : 본 연구는 세월호 사건으로 가족을 잃은 피해자 가족의 고통 체험에 대해 알아보고 피해자 가족의 정신적 외상에 대한 작업치료의 필요성을 제시하고자 하였다. 연구방법 : 세월호 사건으로 가족을 잃은 대상자 5명의 고통 체험을 확인하고자 Parse의 인간되어감 연구방법을 적용하였다. Parse의 연구 방법 패러다임에 따라 세월호 사건으로 가족을 잃은 고통 체험을 다룬 다큐 영상인 2차 자료를 선택하여 분석하였다. 결과 : 세월호 사건으로 가족을 잃은 가족의 고통 체험에 대한 세 개의 핵심구조는 1) 가족을 잃은 절망과 슬픔, 2) 일상이 무너져 내리는 듯한 무력감과 죄책감, 3) 남아있는 가족을 바라보며 고통에서 벗어나고 싶은 마음으로 나타났다. 구조적인 전환은 세월호 사건으로 가족을 잃은 애통함과 슬픔 속에서 압도적인 무력감을 느끼지만 희생된 가족이 세상에 없다는 것을 인정하고 싶지 않은 현실 부인과 살아있는 가족을 보면서 버티어 나가는 과정으로 제시되었다. 개념적 통합은 가치화와 언어화를 연결-분리, 노출-은폐하면서 강화시켜 나아가는 과정으로 표현되었다. 결론 : 세월호 사건으로 가족을 잃은 피해자 가족의 고통 체험은 무기력과 절망, 우울의 감정으로 인해 삶의 의미와 목적을 잃은 상태이다. 가족들에게 의미있는 작업을 통한 중재 프로그램을 개발하여 무너진 일상의 회복과 지역사회 참여를 향상시킬 수 있는 작업치료 중재가 필요하며 이에 기초자료로 활용할 수 있다.

• 보건교육건강증진학회지
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• 제22권2호
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• pp.19-32
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• 2005

Objectives: The purpose of this study was to examine teachers' safety education activities to determine the significant educational diagnosis variables and to identify their needs of safety education in early-child care centers based on the PRECEDE model. Methods: A total of 304 teachers in early-child care centers participated in this study selected by a multi-stage stratified sampling method considering 11 regions in Seoul, Korea. Self-report type questionnaires were posted to all teachers in 220 early-child care centers by ground mailing service and the 304 teachers completed the questionnaires. The participants' responses were anonymously coded into and analyzed in SPSS program. Results: 'Scratch or bite' was the most frequent accident type(78.3%) and the frequent accident places were 'classroom(88.8%)' and 'playground(67.8%)'. The most frequently conducted safety education activities were 'reminding children their safe behaviors at the beginning and the end of daily class' and the next was 'saving a special time for safety education.' For educational diagnosis factors, related to safety education activities, teachers' safety education activity was more frequent when teachers' safety knowledge was high(p<.001), when teachers had good application skills of their knowledge to their teaching activities(p<.001), when they had strong needs on safety training opportunities(p<.05), and their interests on safety education(p<.001). For enabling factors, class preparation by safety education guide-book review(p<.001), by development of educational materials(p<.001), and by search for the related reference (p<.001), and by participation to safety education training programs for teachers(p<.01) were the significant enabling factors on teachers' safety class activities. For the reinforcing factors, the center-wide support of safety education brochures to children (p<.001), the concerns of centers utilizing safety education specialists(p<.001), and the concerns about safety information collection out of centers(p<.001) were significant factors related with teachers' safety education activities. Conclusions: The significant educational and institutional factors on teachers' safety education activities were teachers' concerns on safety education, their interests on safety knowledge, and the strong concerns on child safety education from the centers.

• Applied Microscopy
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• 제36권2호
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• pp.93-99
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• 2006

Gemifloxacin은 대부분의 G(-) 세균들과 G(+) 세균들에 대해 강한 활성을 나타내며 미성숙동물에서 비교적 낮은 연골독성 가능성을 가진 합성 fluoroquinolone계 항생제이다. 본 연구는 미성숙 SD계 랫드의 아킬레스건에 gemifloxacin이 미치는 영향을 평가하기 위해 gemifloxacin을 생후 4주 후부터 0(vehicle), 600mg/kg body weight 용량으로 5일 동안 매일 한번씩 경구투여를 하여 ofloxacin과 비교하였다. 아킬레스건의 형태학적 변화를 투과전자현미경을 이용하여 관찰한 결과 부형제만 처치한 대조군과 비교하였을 때, gemifloxacin과 ofloxacin을 처치한 랫드로부터 채취한 샘플에서 초미세구조의 변화가 관찰되었다. quinolone을 처치한 군의 tenocyte에서는 다양한 퇴행성 변화가 관찰되었고, 세포외기질에서 분리된 세포들이 존재하였는데 이는 ofloxacin을 처치한 그룹에서 특히 높았고 gemifloxacin을 처치한 그룹에서는 매우 낮았다. 따라서, gemifloxacin이 아킬레스건과 같은 결합조직 구조물들의 퇴행성 변화를 보다 적게 야기한다는 것을 보여준다.

• 한국발생생물학회지:발생과생식
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• 제4권1호
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• pp.53-59
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• 2000

내분비계 장애물질은 생체내에서 호르몬 등의 내분비계에 영향을 주기 때문에 미량으로도 생식기능에 이상을 가져 올 수 있고, 급ㆍ만성 독성과는 달리 차세대에 그 영향이 발현될 수 있다. 대부분의 내분비계 장애물질은 에스트로겐 유사물질로 알려져 있으며, 내분비계 장애물질의 하나인 bisphenol A (BPA)도 이러한 성질을 가진 물질이다. 본 연구는 BPA가 생쥐의 정자형성과정에 어떤 영향을 미치는가를 분석하고자, 농도별 (저농도, 20 mg/kg, 고농도 200 mg/kg) 구강투여를 실시하였다. 정자수와 테스토스테론 농도 및 산자수가 대조군에 비해 처리군에서 점진적으로 감소하는 경향을 보였으며, 산자수에서 유의적인 차이(P<0.01)를 나타내었다. 특히 국부적이긴 하지만 세정관 내강에서의 정자세포 소실 양상은 정자수의 감소 원인으로 사료된다. 성성숙 이후 정소에서의 발현이 소실되는 것으로 알려진 TGF-$\beta$계에서는 TGF-$\beta$1이 고농도의 BPA투여시 발현되었지만, 그 외의 리간드와 수용체의 발현은 관찰되지 못했다. 결론적으로 고농도의 BPA노출은 웅성생식계에 영향을 미칠 수 있으며, 이는 정자형성에 장애를 일으켜 불임을 유발할 수도 있을 것으로 보여진다.

• 한국축산식품학회지
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• 제33권5호
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• pp.587-594
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• 2013

Egg consumption has been limited to avoid cardiovascular diseases such as atherosclerosis and hyperlipidemia, because the yolk contains high levels of cholesterol. This study was conducted to evaluate the effect of the water-soluble component of egg-yolk on the growth efficiency, immune modulation, and changes in serum lipid levels in BALB/c mice. A total 5 wk old 120 BALB/c male mice were divided into 4 groups and were fed 0, 2, 10, and 20 mg/d water-soluble egg yolk extract (WSEYE) for 5 wk. Water-soluble egg yolk extract (WSEYE) uptake resulted in a significant reduction in daily weight gain and feed efficiency rate (FER). The mouse groups treated with 2 and 20 mg/d WSEYE showed a significant increase in populations of monocytes at the third wk and B-lymphocyte activity at the fifth wk. In addition, WSEYE uptake did not influence serum immunoglobulin E levels. In serum lipid-profile studies, treatment of WSEYE did not alter total cholesterol and low-density lipoprotein levels; however, blood triglyceride levels were significantly diminished in mice treated with 2 mg/d at the third wk (p<0.05), and the level of high-density lipoprotein was significantly increased in the mice group treated with 2 and 10 mg/d WSEYE after 5 wk (p<0.05). Taken together, the data demonstrate the beneficial effects of WSEYE in the diet on immune modulation and serum lipid profiles in mouse models; therefore, this study suggests that ingestion of water-soluble fraction of egg yolk might not be related to the increased risk of heart disease, but can be an excellent candidate for maintaining health.