• 제목/요약/키워드: data set

검색결과 10,970건 처리시간 0.039초

신장운동을 포함한 자조관리프로그램이 섬유조직염환자의 증상완화에 미치는 효과 (Effects of a Self-Help Program including Stretching Exercise on Reduction of Symptom in Patients with Fibromyalgia)

  • 한상숙
    • 근관절건강학회지
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    • 제5권1호
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    • pp.39-56
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    • 1998
  • This study was an quasi-experimental study, done to identify factors Influencing the reduction of symptoms in patients with fibromyalgia. The primary purpose of the study was to develop a Self-Help Program suitable for patients with fibromyalgia in Korea. The secondary purpose was to identify the effects of a Self-Help Program which included stretching exercise. This study was carried out between Feb. 24 and July 8, 1997 and patients in the study Included out patient diagnosed with fibromyalgia based on the criteria developed by the American College of Rheumatology(1990) and H, University which is a tertiary patient care clinic for Rheumatism. The experimental group included 38 patients who were residents of Seoul or Kyungi province, and a control group of 38 patients who were residents of other areas. The control patients were matched to the experimental group patients and they were selected considering the number of tender points on the Fibromyalgia Impact Questionnaire score and a score of self-efficacy. The experimental group participated in a Self-Help Program based on the American Arthritis Foundation(1995) guidelines. The program participants participated in a small group which consisted of 12-15 members attending the program once a week, for 6 weeks with each program lasted two to two and a half hours. The stretching exercise was carried out in each patient's home every day following the video tape exercise provided by the researcher, and the researcher provided encouragement and concern to the patients by calling them once a week. The number times the exercise was performed was divided by the number of participants to calculate the percentage of performance and determine the amount of exercise. Self-efficacy was measured by the Self-Efficacy Scale developed by Lorig et al. (1989) for arthritis patients. The degree of pain was converted to scores based on the Visual Analog Scale, the number of tender points was converted to scores based on the criteria of the ACR(1990) and of Yunus. Depression was measured by CES-D and physical disability, sleep disturbance, fatigue, and anxiety of patients with fibromyalgia were measured by the Fibromyalgia Impact Questionnaire. The level of the exercise performance was converted to scores using the number of times the exercise was performed following the video tape prepared by Association of Rheumatology Health Professionals. Data were analyzed by SPSS windows and the results ire described below. 1. The experimental group which participated in the Self-Help Program showed higher efficacy scores than the control group when both groups were analyzed for depression and the number of tender points as common variables(F=9.146, p=.003). 2. The experimental group which participated in the Self-Help Program showed lower scores than the control group, for pain, the number of tender points, depression, physical disability, fatigue, sleep disturbance and anxiety. These symptoms of fibromyalgia can all be seen to have subsided(F=9.483, p=.003 : F=32.680, p=.001 ; F=11.104, p=.001, F=5.344 : p=.024, F=7.630 : P=.007, F=15.6512, p=.003 : F= 7.5412, p=.008). 3. In the experimental group, the self-efficacy score for the first three weeks showed a positive correlation with the exercise-performance score for four to six weeks (r=.387, p=.043). 4. In the experimental group, the relationship between the level of exercise-performance and the reduction of symptoms showed a significant correlation only to physical disability(r= -.500, p=.001). 5. In the experimental group, the relationship between the self-efficacy score and pain, the number of tender points, depression, physical disability, fatigue, sleep disturbance and anxiety score showed inverse correlations and thus, a reduction of symptoms occured when the self-efficacy score increased(r=-.325, p=.004 ; r= -.253, p=.027, r=-.452, p=.001 : r=-.434, p=.001 ; r=-.316, p=.005 ; r=-.460, p=.001 ; r=-.397, p=.014). Therefore, self-efficacy improved following the Self-Help Program including the stretching exercise. It was also found that physical symptoms (pain, number of tender points, level physical disability) and psychological symptoms (depression, fatigue, sleep disturbance, anxiety) were reduced. Moreover, It was found that the higher the self-efficacy, the the higher the degree of achievement of goals set for the stretching exercises. In addition, the level of exercise-performance influenced the level of physical disability, one of the symptoms of fibromyalgia. Accordingly, the conclusions from this study are that exercise-performance and the reduction of symptoms is achieved through promotion of self-efficacy. Therefore, it is proposed that are the Self-Help Program including stretching exercises is an appropriate nursing intervention for the reduction of symptoms of fibromyalgia.

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사용자환경의 메타포가 스마트폰 애플리케이션 사용의도에 미치는 영향 (The Effects of Metaphors in the Interface of Smartphone Applications on Users' Intention to Use)

  • 정원진;홍석기
    • Asia pacific journal of information systems
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    • 제24권3호
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    • pp.255-279
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    • 2014
  • It is not too much to say that smartphones have become an essential part of our lives due to their versatility. Nevertheless, they still have less overall capabilities than their desktop counterparts. Specifically, they have small screens and low resolutions, which make their applications difficult to have a usable interface. To account for these limitations, the interface of smartphone applications should be designed carefully and properly. Good interface design to any application is critical. However, a comprehensive information systems (IS) literature review found that there has been little research on the user interface design of smartphone applications. More specifically, there has been little empirical evidence and understanding about how metaphors, an imaginative way of describing objects and concepts, in the user interface of smartphone applications affect users' intention to use the applications. Thereby, the research goals of this study are to examine 1) the effects of the metaphors in the user interface of smartphone applications on the interaction between users and applications and 2) the effects of mediating variables including the interaction between users and applications, users' beliefs and attitudes, on users' intention to use the applications. A survey was conducted to collect data. University students and practitioners participated in the survey. A 24-item questionnaire was developed on a 5-point Likert-type scale. The measurement items were mostly adapted from the previous studies in the IS literature and modified to fit the context of this study. First, a principal component factor analysis was performed to explore the inter-relationships among a set of variables. The analysis showed that most of the items loaded quite strongly on the six components. The analysis also revealed the six components with eigenvalues exceeding 1, explaining a total of 70.7 per cent of the variance. The reliabilities of the items were also checked. Most Cronbach alpha values were above 0.8, so the scales were considered reliable. In sum, the results of the analysis support the decision to retain the six factors for further investigation. Next, the structural model was analyzed with AMOS structural equation modeling. The values of GFI, AGFI, NFI, TLI, CFI, and RMSEA were checked. The values showed that the research model considerably have a good fit in general. Next, the convergent and discriminant validities of all constructs were examined. The values for the standardized regression weights and critical ration (CR) indicated sufficient convergent validity for all constructs. In addition, the square root of the average variance extracted (AVE) of each construct was compared with its correlations with all other constructs. The results supported discriminant validity for all constructs. In sum, the results of analysis demonstrated adequate convergent and discriminant validities for all constructs. Finally, path coefficients between the variables were examined. Methphor was found to have an impact on interaction (${\beta}$ = .457, p = .000). There were also significant effects of the interaction on perceived usefulness (${\beta}$ = .273, p = .000) and ease of use (${\beta}$ = .405, p = .000). User attitude was significantly influenced by these two beliefs, perceived usefulness (${\beta}$ = .386, p = .000) and ease of use (${\beta}$ = .347, p = .000) respectively. Further, the results of analysis found that users' intention to use smartphone applications was significantly influenced by user attitude (${\beta}$ = .567, p = .000). Based upon the analyses, all hypotheses were supported. This study found that the metaphors used in the interface of smartphone applications affect not only the interaction between users and applications, but also users' intention to use the applications through the mediating variables, perceived usefulness and ease of use. These findings imply that if the metaphors used in the user interface of application are easy enough to understand for smartphone users, then the application can be perceived useful and easy to use, which in turn make users to have an intention to use the application. In conclusion, this study contributed not only to validate and extend Technology Acceptance Model (TAM) partially, but also to develop the construct of metaphor in smartphone settings. However, since a single empirical study cannot be enough to validate the findings, some limitations should be considered.

소아 고혈압의 평가와 관리 방법; 한국 소아심장 전문의와 소아신장 전문의 설문 (Evaluating and managing hypertension in children: a survey of Korean cardiologists and nephrologists)

  • 이은희;임형은;장기영;유기환;손창성;홍영숙;이주원
    • Clinical and Experimental Pediatrics
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    • 제51권9호
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    • pp.992-997
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    • 2008
  • 목 적 : 성인질환으로 여겨지던 고혈압이 소아에서도 최근 유병률이 증가 추세에 있다. 이에 한국에서 고혈압 환아의 평가 및 관리가 어떻게 이루어지고 있는지 알아보고자 하였다. 방 법 : 2006년 8월에서 10월까지 대한소아신장학회와 대한소아심장학회의 회원인 소아 전문의를 대상으로 소아 고혈압의 접근, 혈압 측정법, 혈압 조절 목표 및 약물 치료 등 에 대해서 설문을 하였다. 결 과 : 대부분의 소아 심장 전문의와 소아 신장 전문의는 아직까지 일반 소아 환자에게 일상적으로 혈압 측정을 하고 있지 않았으며 비만과 관련하여 체질량 지수 측정도 일상적으로 이루어지지 않았다. 혈압계는 주로 수은혈압계를 사용하고 있었으며 소아 신장 전문의보다 소아 심장 전문의에서 ABPM의 사용도가 높았다. 약물 치료 시 일차선택제로는 ACE 억제제가 가장 많이 이용되었으며 소아 심장 전문의 보다 소아 신장 전문의가 경우에 따라 다양한 약제를 선호하는 것으로 나타났다. 또한 혈압 조절 목표로는 나이, 성별, 키에 대한 95 백분위를 주로 사용하였으며 대부분의 응답자가 기저질환에 따라 다른 목표를 갖지 않는 것으로 나타났다. 결 론 : 한국에서는 아직까지 소아 환자 진료 시에 고혈압에 대한 선별검사를 일상적으로 하고 있지는 않았다. 사용하는 혈압계나 일차 선택제는 큰 차이를 보이지는 않았지만 소아 신장 전문의와 소아 심장 전문의 간에 고혈압 치료제 선택에 있어 차이를 보였다. 좀 더 정확한 현황을 파악하기 위해서는 개원의를 포함한 광범위의 설문이 필요할 것이며 이를 토대로 우리 실정에 맞는 소아 고혈압의 접근과 치료에 관한 지침이 세워져야 할 것이다.

창업자 특성과 소기업 사업성과 간 관계에 관한 연구 (A Study on the Relationship Between Entrepreneur Characteristics and the Performance of Small Firms)

  • 김완재;정화영
    • 벤처창업연구
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    • 제2권3호
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    • pp.33-60
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    • 2007
  • 본 연구는 창업자의 배경적 특성(창업자의 학력, 창업관련 강좌의 수강이나 상담 경험, 과거 창업 경험), 창업자의 심리적 특성(성취욕구, 위험감수성향, 모호함에 대한 인내력 수준, 통제위치), 창업자의 관리적 역량(창업자의 관리적 능력, 기업가적 능력, 기술적 기능적 능력만이 소기업의 재무적 성과에 정의 영향을 미치는 것으로 나타났다. 반면, 창업자의 학력, 창업경험, 성취욕구, 위험감수성향, 통제위치, 창업자의 관리적 능력, 창업자의 기업가적 능력, 창업자의 제품서비스 혁신차별화 전략 성향, 마케팅 차별화 전략 성향, 비용우위 전략 성향은 소기업의 비재무적 성과에 정의 영향을 미치는 것으로 나타났다.

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사용자의 혁신성 및 지식수준이 가상비서 기반 음성쇼핑의 이용에 미치는 영향 (Influence of User Innovativeness and Knowledge Base on Acceptance of Voice Shopping)

  • 조웅;안수호;정두희
    • 벤처창업연구
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    • 제15권2호
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    • pp.153-169
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    • 2020
  • 가상비서에 기반해 구매활동을 하는 새로운 방식의 음성쇼핑(Voice shopping)이 주목받고 있다. 전 세계적으로 음성쇼핑 시장이 성장을 하고 있고, 우리나라도 음성쇼핑의 본격적 상용화를 눈앞에 두고 있다. 음성쇼핑 관련 서비스의 발전을 위해서는 서비스의 질, 새로운 방식에 맞는 효율적 프로세스, 고객관계 구축 방법 등 새로운 쇼핑방식과 관련한 세부적 이슈에 대해 구체적으로 고찰하는 작업이 필요하다. 그러한 시도의 일환으로서, 이 연구는 음성쇼핑에 대해 소비자들이 갖는 인식 및 태도에 영향을 미치는 요인을 판별하고자 한다. 이 연구에서는 171명의 온라인쇼핑 이용객의 설문조사 응답데이터를 기반으로 분석을 실시했다. 인지된 유용성, 사용 용이성 등 기술수용모델(Technology Acceptance Model)의 전형적 요인 외에 인지된 유희성이라는 요인을 추가하여 음성쇼핑에 대한 이용의도에 미치는 영향을 분석했다. 특별히 이 연구에서는 사용자의 속성이 미치는 영향에 집중하고자 한다. 음성쇼핑의 확산을 위해서는 유효한 타깃 고객을 설정하는 게 필요하며, 사용자에 대한 이해가 선행되어야 원활한 고객관계 구축이 가능해지기 때문이다. 따라서 이 연구에서는 사용자 혁신성 및 지식수준 등 사용자의 속성에 따라 음성쇼핑 이용의도와 관련한 요인이 어떻게 영향을 받는지 분석하고자 한다. 분석결과, 사용자 혁신성은 인지된 유용성과 사용 용이성, 인지된 유희성 모두에게 긍정적 영양을 줬다. 사용자 지식기반은 인지된 유용성과 사용 용이성, 인지된 유희성 모두에게 유의하지 않았으나, 이 변수들의 외생변수 역할을 하는 사용자 혁신성에 긍정적 영향을 주는 것으로 나타났다. 한편 확장된 기술수용모델 변수 중에서는 인지된 유용성과 인지된 유희성이 음성쇼핑의 이용의도에 긍정적 영향을 주고, 사용 용이성은 음성쇼핑 이용의도에는 유의한 영향이 없으나 인지된 유용성과 유희성을 모두 높이는 것으로 나타났다. 이 연구는 음성쇼핑 플랫폼 및 연관 서비스 개발시중점을 두어야 할 지향점 및 고객관계 설정 방향에 대한 시사점을 제시하는 데 의의가 있다.

뇌혈관 질환에서 신호대 잡음비와 대조도대 잡음비를 이용한 정량적평가 : FRE-MRA, CTA 영상기법중심으로 (Quantitative Assessment using SNR and CNR in Cerebrovascular Diseases : Focusing on FRE-MRA, CTA Imaging Method)

  • 구은회
    • 한국방사선학회논문지
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    • 제11권6호
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    • pp.493-500
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    • 2017
  • 본 데이터 분석은 INFINITT 프로그램을 사용하여 유속증강 자기공명 혈관 조영술(FRE-MRA)과 전산화단층 촬영 혈관 조영술(CTA)에서 신호대 잡음비(SNR)와 대조도대 잡음비(CNR) 분석에 따른 뇌혈관 질환에 대한 정량적 평가를 하고자 하였다. 2017년 1월~4월까지 C대학병원에서 뇌혈관영상검사를 시행한 63명의 환자 중 FRE-MRA와 CTA를 동시에 시행한 19명의 뇌혈관 질환 환자영상 중 움직임으로 인한 인공물로 분석이 어려운 2명의 영상을 제외한 17명의 영상을 분석하였다. 분석 방법으로 FRE-MRA와 CTA에 대하여 각각 5 부위(앞대뇌동맥, 좌 우 중간대뇌동맥, 좌 우 뒤대뇌동맥)에 관심영역을 설정하고 SNR과 CNR를 평가하였고, 분석결과에 대한 유의성 평가는 독립 t 검정을 통하여 유의성을 확인하였다. 본 연구에 대한 결과로서 각각의 SNR과 CNR을 평균하였을 때 FRE-MRA는 앞대뇌동맥($1500.73{\pm}12.23/970.43{\pm}14.55$), 좌중간대뇌동맥($1470.16{\pm}11.46/919.44{\pm}13.29$), 우중간대뇌동맥($1457.48{\pm}17.11/903.96{\pm}14.53$), 좌뒤대뇌동맥($1385.83{\pm}16.52/852.11{\pm}14.58$), 우뒤대뇌동맥($1318.52{\pm}13.49/756.21{\pm}10.88$)의 값이 측정되었고, CTA는 각각 앞대뇌동맥($159.95{\pm}12.23/123.36{\pm}11.78$), 좌중간대뇌동맥($236.66{\pm}17.52/202.37{\pm}15.20$), 우중간대뇌동맥($224.85{\pm}13.45/193.14{\pm}11.88$), 좌뒤대뇌동맥($183.65{\pm}13.47/151.44{\pm}11.48$), 우뒤대뇌동맥($177.7{\pm}16.72/144.71{\pm}11.43$)의 값이 측정되었다(p<0.05). 결론적으로 5부위의 뇌혈관 질환 영상을 분석한 결과 뇌경색이나 뇌출혈과는 관계없이 MRA가 SNR과 CNR값이 높은 것으로 나타났다. 따라서 환자협조가 가능하여 검사시간이 길다는 단점만 극복할 수 있으면 CTA에 비해 조영제의 부작용으로부터 자유로운 FRE-MRA가 유용하였다.

간동맥 화학 색전술에 사용하는 Lipiodol에 의한 감쇠 오차가 PET/CT검사에서 영상에 미치는 영향 평가 (Evaluating the Impact of Attenuation Correction Difference According to the Lipiodol in PET/CT after TACE)

  • 차은선;홍건철;박훈;최춘기;석재동
    • 핵의학기술
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    • 제17권1호
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    • pp.67-70
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    • 2013
  • 급증하는 간세포암 환자에게 간동맥 화학 색전술은 효과적인 중재적 시술 방법 중 하나이다. 이때 PET/CT 검사는 색전 후 잔존 암세포의 존재 및 전이여부와 예후를 판단하는데 중요한 역할을 한다. 한편 간동맥 화학 색전술에 사용되는 색전물질인 Lipiodol은 PET/CT 검사에서 인공물을 생성하고 정량평가에 영향을 준다. 이에 본 연구는 Lipiodol이 영상에 미치는 영향의 정도를 방사능 값과 백분율 오차로 평가하고자 하였다. 1994 NEMA Phantom에 Lipiodol과 Teflon, 물을 세 개의 삽입물에 넣고 나머지 부분을 배후 방사능 $20{\pm}10MBq$를 주입하고 충분히 섞은 후 2분 30초/bed data를 획득 하였다. 재구성 방법은 반복 영상 재구성법으로 반복횟수 2회, 부분 집합 수 20을 적용하였으며, Lipiodol과 Teflon, 물, 인공물 발생부위, 배후 방사능에 관심영역을 설정하고 방사능 값과 백분율 오차를 산출 하여 비교하였다. 방사능 값은 Teflon, 물, Lipiodol, 삽입물 사이 인공물 발생 부위, 배후 방사능 부위에서 각 영역 중 방사능 값은 $0.09{\pm}0.04$, $0.40{\pm}0.17$, $1.55{\pm}0.75$, $2.5{\pm}1.09$, $2.65{\pm}1.16 kBq/ml$(P<0.05)으로 통계적으로 유의한 차이를 보였다. 백분율 오차가 Lipiodol에서 물에 비해 118%, 배후 방사능에 비해서 52%, Teflon에 비해 180%의 차이가 있었다. Lipiodol을 주입한 후 검사에서 감약 보정의 영향을 받아 오차로 인한 방사능 농도 값이 다른 삽입물에 비해 현저히 높고 배후 방사능보다는 작다는 것을 알 수 있었다. 따라서 Lipiodol과 같은 조영 물질을 사용한 검사에서는 인공물에 대한 영향을 고려해야 하며 임상에서는 감약 보정을 적용하지 않은 영상을 참고해서 검사가 이루어 질 수 있도록 해야 한다.

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성대마비와 양성 성대점막질환의 음향학적 특성비교 (Comparative Study on Acoustic Characteristics of Vocal Fold Paralysis and Benign Mucosal Disorders of Vocal Fold)

  • 공일승;조영주;이명희;김종승;양윤수;홍기환
    • 대한후두음성언어의학회지
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    • 제18권2호
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    • pp.122-128
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    • 2007
  • This study aims to analyze the voices of the patients with voice disorders including vocal fold paralysis, vocal fold cyst and vocal nodule/polyp in the aspect of acoustic phonetics. This study intends to collect subsidiary acoustic data in order to make a speech treatment and an standardization of vocal disorders. Subjects and Methods: The subjects of this study were 64 adult patients who underwent indirect laryngoscopy and laryngostroboscopy, and were diagnosed as vocal fold paralysis, vocal fold cyst or vocal nodule/polyp. Experimental group consisted of 20 patients who were diagnosed as vocal fold paralysis, 21 patients who were diagnosed as vocal fold cyst and had the average age of 42.0 $({\pm}10.03)$ ; and 23 patients who were diagnosed as vocal nodule/polyp and had the average age of 40.9 $({\pm}13.75)$. For the methodology of this study, the patients listed above were asked to sit in a comfortable position at intervals of 10cm apart from the patient's mouth and a microphone, and subsequently to phonate a vowel sound /e/ for the maximum phonation time with natural tone and vocal volume then the sound was directly inputted on a computer. During recording, sampling rate was set to 44,100Hz and the 1-second area corresponding to stable zone except the first and the last stage of waveform of the vowel sound /e/ vocalized by the individual patients was analyzed. Results: First, there was no statistically significant difference in jitter and shimmer between vocal fold paralysis and vocal fold cyst, while there was highly statistically significant difference in them between vocal fold paralysis and vocal nodule/polyp. Second, looking into the mean values obtained from NNE, HNR and SNR results associated with noise ratio, the disease showing the most abnormal characteristics was vocal fold paralysis, followed by cyst and nodule/polyp in order. For NNE, there was statistically significant difference between vocal nodule/polyp, and cyst or paralysis. In other words, it was found that the NNE of vocal nodule/polyp was weaker than that of cyst or paralysis. Similarly, HNR and SNR also showed the same characteristics; there was statistically significant difference between vocal fold paralysis and vocal fold cyst or nodule/polyp, and HNR and SNR values of vocal fold paralysis were lower than those of vocal fold cyst or nodule/polyp. Conclusion: For vocal fold paralysis, the abnormal values of acoustic parameters associated with frequency, amplitude and noise ratio were statistically significantly higher than those of vocal fold cyst and nodule/polyp. This finding suggests that the voices of the patients with vocal fold paralysis are the most severely injured due to less stability of vocal fold movement, asymmetry and incomplete glottic closure. In addition, there was no statistically significant difference in the acoustic parameters of tremor among vocal fold paralysis, vocal fold cyst and vocal nodule/polyp. Further studies need to ascertain reasonable acoustic parameters with various vocal disorders as well as to clarify the correlation between acoustics-based objective tools and subjective evaluations.

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오대산국립공원 중대사-비로봉 구간 식물군집구조 (The Structure of Plant Community in Jungdaesa-Birobong Area, Odaesan National Park)

  • 한봉호;최진우;노태환;김동욱
    • 한국환경생태학회지
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    • 제29권5호
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    • pp.764-776
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    • 2015
  • 본 연구는 오대산국립공원 해발 1,000m 이상의 고지대인 중대사~비로봉 구간에 대한 산림식생현황 및 천이계열, 변화양상을 파악하는데 그 목적이 있다. 중대사~비로봉 구간의 식물군집구조를 파악하기 위하여 $20m{\times}20m(400m^2)$의 방형구 17개소를 설정하였다. 설정된 조사구별 상대우점치, 흉고직경급별 분포, 표본목의 생장량 및 수령, 유사도지수, 종다양도지수 등을 분석하였다. DCA분석 결과, 군집 I(신갈나무-피나무군집), 군집 II(신갈나무-낙엽활엽수군집), 군집 III(신갈나무-잣나무군집), 군집 IV(전나무-신갈나무군집), 군집 V(전나무-낙엽활엽수군집) 등 5개 식물군집으로 분류되었다. 조사구별 상대우점치 분석결과, 신갈나무는 해발고가 높을수록, 전나무는 해발고가 낮을수록 군집내 상대 우점치가 높아지는 경향을 나타내었다. 군집 I, 군집 II, 군집 III은 현상태가 지속적으로 유지될 것으로 판단되었으며, 군집 IV, 군집V에서는 신갈나무의 세력이 약화될 것으로 파악되었다. 표본목의 수령은 85~161년(평균 123년)이었다. 유사도지수 분석결과 5개의 군집은 이질성이 강한 것으로 나타났으며, 특히 높은 해발고의 군집 I과 낮은 해발고의 군집 IV, V간의 이질성이 높았다. 단위면적 $400m^2$당 샤논의 종다양도지수를 분석한 결과, 군집 III(1.1109) > 군집 II(1.0475) > 군집 I(1.0125) > 군집 IV(0.9918) > 군집 V(0.8686)의 순으로 높았다. 신갈나무가 우점하는 군집의 종다양도는 과거 연구 및 주변 지역 연구 결과와 비교하여 유사한 반면, 전나무가 우점하는 군집의 경우 다소 낮은 것으로 확인되었다.

중학교용 에너지 교육 자료 개발 연구 (A Study on Development of Energy Education Materials for Middle School Students)

  • 최돈형;이양락
    • 한국환경교육학회지:환경교육
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    • 제7권1호
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    • pp.46-87
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    • 1994
  • Our country has been consuming a huge amount of energy in the course of industrialization and its demand is expected to increase enormously in the future. However, the deposits of energy resources are so limited that the settlement of energy problem comes up the essential subject. To solve the energy problem, it is requested that new resources to gain energy stably should be developed and also energy should be economized and used effectively. The effective use of energy and an the wisdom of economy in energy are requested to everybody and these things should be habitualized from very young age through education. Nevertheless, almost every school in our country hasn’t been concerned about energy education. Even though they have a concern, they are very short of the energy education materials and the quality of the materials is not so good. Therefore it is very meaningful to the settlement of energy problem of the country to make the students who will lead our country to make the students who will lead our country in the future realize the seriousness of energy problem and to provide them the necessary knowledge and methods to solve this problem so that they practice those things in everyday life. Having these necessities, this research, supported by The Korea Energy Management Corporation(KEMCO), was performed for 8 months from April 17, 1994 to December 17, 1994. Many peoples participated in this study such as 30 staffs of researchers and authors, 5 staffs of photographers and illustrators, and 3 VCR program producers developing an energy education material set for middle school students that includes a printed material for student, a diskette for computer simulation, a teacher's guidebook, VCR material and its guidebook. The following main development direction was established : First, the material for student should be consisted of units that let students know the seriousness of energy problem. Second, the focus should be put on the necessary method and practice to economize energy actually in real life based on the basic knowledge learned in elementary school. Third, material for student should be consisted of modules to be student activity-oriented teaching-learning rather than lecture-oriented one. The activity, to maximize student's interests, should be presented in various forms such as experiments, investigation, play, data interpretation, computer simulation, visits, expression and appreciation, etc. To develop the energy education materials for middle school students, a research plan was made first. After literature review about domestic and foreign energy education materials, several research trips home and abroad, and discussion meetings, the basic theory of energy education such as the principle, objective, contents, teaching-learning method, and evaluation method was established. Material for student was developed through the following procedures : The activities in the existing energy education materials were analysed and were divided into four categories related to energy using places of home, school, community, and country, and which were again divided into three categories related to time of past, present, and future, Considering these division, nine modules which are structure units of material for student were chosen, Each module comprises 2-4 activities. Totally 31 activities were designed in this way. The syllabi were made out for each activity and writing was asked for to experts related to each activity after several discussions and revision. To complement the draft, another several discussions and revision were also made on it and then pictures and illustrations were asked for. All these procedures complete the material for student, titled ; Energy Inquiry of Middle School Students', which totals 129 pages and is all in color. As the manuscript of material for student was fixed, writing for teacher's guidebook was asked for to the same writers. The draft of teacher's guidebook was also complemented through the several concentrated works and discussions. Teacher's guidebook focused on the teaching-learning principle and methods of energy education and on the concrete instruction cases for effective instruction of material for student. It is organized with two parts : the one is 'general outline' which introduces theoretical contents and the other is 'details' which are practically helpful to teaching-learning. It is totally 131 pages including both 'general outline' and 'details'. The VCR material and its guidebook consist of contents that cultivate the good attitude trying to economize energy and raise student's interests with a purpose of strong motivation to recognize the necessity of economy and practice it. After establishing development direction of VCR material through discussion meetings and research trips, its script was made by relevant experts. Then the script was also reviewed two times. The drafted VCR material made by a video material developing expert was examined and modified by previews twice. After completion of VCR material, the VCR guidebook was made. All these procedures led to the development of VCR material which runs 20 minutes in VHS type. The VCR guidebook shows a production purpose of the program, structure of contents, evaluation methods, and contents of the program in detail to give help to instructors when they use this VCR material, When these energy education materials are used, it is desirable that the VCR material should be presented first to induce student's motive, and then material for student is introduced Since the material for student is composed of activity-oriented modules and each module is independent one another in general, and each activity is, too. the necessary module or activity can be chosen and utilized in any order according to school or class conditions. This energy education materials will contribute to the development of student's ability to solve energy problem in everyday life and teacher's ability to teach the fundamental knowledge and method in solving energy problem.

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