• 아동학회지
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• 제27권1호
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• pp.1-15
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• 2006

The purpose of this study was to examine the reliability and validity of the School Adjustment Inventory for 1st grade elementary school students(SAI-1st Grade). The subjects of this study were 624 first grade children attending 40 elementary schools and 120 first grade teachers of G City. Data were analyzed by Factor Analysis(EFA), Confirmatory Factor Analysis(CFA), Pearson's r and Cronbach's ${\alpha}$. Results of the test on content validity as evaluated by the first grade teachers was high. It was found that the School Adjustment Inventory for 1st graders of elementary school was a reliable and valid measure for evaluating the school adjustment of first grade students.

• 한국환경농학회지
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• 제34권3호
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• pp.210-216
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• 2015

BACKGROUND: In korea, sweet persimmon(Diospyros kaki) cultivation is front to abiotic stresses such as frost damage at fruit maturing stage. The cold and rapid freezing stresses are most damaging to fruit production which is most actively progressed in late fall. This study was performed to evaluate the validity of chlorophyll fluorescence imaging(CFI) technology to determine the degree of frost damage in sweet persimmon fruits. METHODS AND RESULTS: The sweet persimmon fruits were measured separately for each treatment(15, 30, 60 minutes) at 24 hours after treatment(HAT) rapid freezing. A CFI FluorCam (FC 1000-H, PSI, Czech Republic) was used to measure the fluorescence images of the fruits. In rapid freezing for 15 minutes, photochemical parameters were not changed. However, in rapid freezing for 30 and 60 minutes, photochemical parameters were lowered. Especially, $F_m$, $F_v$, $F_v/F_m$ and ${\Phi}PSII$ values were declined under rapid freezing. CONCLUSION: In our study, it was clearly indicated that the rapid freezing could be a stress in sweet persimmon fruits. The CFI analysis and its related parameters are applicable as a rapid assessing technique for the determination of frost damage.

• Healthcare Informatics Research
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• 제24권4호
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• pp.381-386
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• 2018

Objectives: This study aimed to describe the process of utilizing a mobile application for ecological momentary assessment (EMA) to collect data on stress and mood in daily life setting. Methods: A mobile application for the Android operating system was developed and installed with a set of questions regarding momentary mood and stress into a smartphone of a participant. The application sets alarms at semi-random intervals in 60-minute blocks, four times a day for 7 days. After obtaining all momentary affect and stress, the questions to assess the usability of the mobile EMA application were also administered. Results: The data were collected from 97 police officers working in Gyeonggi Province of South Korea. The mean completion rate was 60.0% ranging from 3.5% to 100%. The means of positive and negative affect were 18.34 of 28 and 19.09 of 63. The mean stress was 17.92 of 40. Participants responded that the mobile application correctly measured their affect ($4.34{\pm}0.83$) and stress ($4.48{\pm}0.62$) of 5-point Likert scale. Conclusions: Our study investigated the process of utilizing a mobile application to assess momentary affect and stress at repeated times. We found challenges regarding adherence to the research protocol, such as completion and delay of answering after alarm notification. Despite this inherent issue of adherence to the research protocol, the EMA still has advantages of reducing recall bias and assessing the actual moment of interest at multiple time points that improves ecological validity.

• 한국응용과학기술학회지
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• 제39권6호
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• pp.738-747
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• 2022

이 연구는 생태형 해양스포츠의 체육교육 적용을 위한 지식구조를 구성하는 것에 목적이 있다. 구체적인 종목으로는 배구형 게임인 비치발리볼과 바다수영이 설정되었으며 연구수행을 위하여 지식구조 분석틀을 활용하였다. 연구의 타당성을 확보하기 위하여 전문가협의를 실시하였다. 연구결과는 다음과 같다. 첫째, 2022개정 체육과 교육과정 시안에 기반한 지식구조를 마련하였다. 둘째, 생태형 해양스포츠의 체육수업 적용 기반을 마련하였다.셋째, 비치발리볼의 지식·이해 영역, 과정·기능 영역, 가치·태도 영역의 학습 내용을 제안하였다. 넷째, 바다수영의 지식·이해 영역, 과정·기능 영역, 가치·태도 영역의 학습 내용을 제안하였다. 이 연구는 향후 도입될 2022개정 체육과 교육과정의 실현된 모습을 미리 대비하였다는 것에 의미가 있다.

• 인간식물환경학회지
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• 제23권4호
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• pp.433-443
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• 2020

Background and objective: The boom in urban agriculture has also resulted in the creation of many school gardens. With the increase in various hands-on education programs, people are interested in assessing the value of school gardens. This study was conducted to derive indicators for service value assessement of educational farming experience using school gardens. Methods: Through literature review, we selected assessment items and sub-factors. The indicators for evaluating the effectiveness of school gardens are classified using the Delphi method that involve a focus group experts. In order to increase the reliability and validity of the selected and classified items, an exploratory factor analysis was conducted. In addition, the relative importance and priority of each factor in each field were assessed using the analytic hierarchy process (AHP). Results: We classified the indicators into 4 criteria and come up with 13 items and 33 sub-factors in educational value, health value, economic value, and ecological and environmental value. Most of the items for the 4 value criteria derived were significant for assessing the value of agricultural experience services with content validity ratio (CVR) higher than 0.59 and reliability higher than .6 . In the value criteria, the experts rated educational value as the most important, followed by health value, ecological and environmental value, and economic value. In the assessment items, the most important was improvement of social functions. In the sub-factors, the most important was strengthening of ties (friendly interactions). Conclusion: Among the derived indicators assessing the value of school gardens, 4 criteria, 12 evaluation items and 29 sub-factors showed significance. The schematic index would be useful for the assessment.

• 한국산림과학회지
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• 제111권3호
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• pp.450-460
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• 2022

본 연구는 산림교육 프로그램을 평가하고, 국민의 산림생태감수성을 측정하기 위한 문항을 구성하여 신뢰도와 타당도를 검증하고, 척도를 개발하는 데 목적이 있다. 문헌 연구와 전문가 회의를 통해 산림생태감수성의 정의를 내리고 각 문항의 요인을 나누어 106개의 예비문항을 개발하였고, 전문가 평가를 통해 내용타당도와 문항이해도 및 중복성을 평가하여 98문항을 추출하였다. 추출된 문항을 바탕으로 성인 256명에게 예비조사를 진행하였다. 조사 결과를 바탕으로 탐색적 요인분석을 실시하였고, 요인간 중복되는 문항과 요인부하량에 적합하지 않은 문항을 제외하여 총 19문항을 선정하였다. 본 연구는 전국에 있는 성인을 대상으로 진행하였고, 총 557명이 참여하였고, 분석에는 532개의 설문이 사용되었다. 탐색적 및 확인적 요인분석 결과, 산림생태감수성 척도는 10문항, 3개 요인(개인적 단계, 사회적 단계, 일체적 단계)로 구성되었고, 양호한 적합도를 보였다. 본 연구를 통해 개발된 산림생태감수성 문항을 이용하여 산림교육 프로그램의 효과성을 평가하여 산림교육 프로그램의 질적 향상에 기여할 수 있길 기대해본다.

• Journal of Forest and Environmental Science
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• 제33권3호
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• pp.239-242
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• 2017

Although camera traps have been widely used to understand the abundance of wildlife in recent decades, the effort has been restricted to small sub-set of wildlife which can mark-and-recapture. The Random Encounter Model shows an alternative approach to estimate the absolute abundance from camera trap detection rate for any animals without the need for individual recognition. Our study aims to examine the feasibility and validity of the Random Encounter Model for the density estimation of endangered leopard cats (Prionailurus bengalensis) in Maekdo riparian park, Busan, South Korea. According to the model, the estimated leopard cat density was $1.76km^{-2}$ (CI 95%, 0.74-3.49), which indicated 2.46 leopard cats in $1.4km^2$ of our study area. This estimate was not statistically different from the previous leopard cat population count ($2.33{\pm}0.58$) in the same area. As follows, our research demonstrated the application and usefulness of the Random Encounter Model in density estimation of unmarked wildlife which helps to manage and protect the target species with a better understanding of their status.

• 국제지역연구
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• 제15권3호
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• pp.583-603
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• 2011

본 연구는 한국의 자연휴양림 개발정책 및 계획수립을 위한 기초자료를 제공하기 위해 자연휴양림의 특성을 다변량분석법의 틀 속에서 종합적으로 파악하여 유형을 구분하였고 기존 연구들이 시행하지 않았던 유형구분에 대한 타당성 검증을 시도하였다. 연구결과 자연휴양림은 4개 유형으로 구분되었는데, 타당성을 검증한 결과 최초 구분되었던 결과와 달리 유형I(생태자연은 좋지 못하지만 재해위험이 낮고 접근이용성이 높은 휴양림)은 25개 휴양림에서 24개로, 유형II(생태자연은 좋지 못하지만 재해위험이 낮고 경사도가 높아 접근이용성이 낮은 휴양림)는 25개 휴양림에서 26개로, 유형III(매력적인 식생 경관과 다양한 휴양기회를 가지며 경사가 낮지만 접근이용성이 낮은 휴양림)은 17개 휴양림에서 16개로, 유형IV(생태자연은 좋지만 재해위험이 높고 경사가 급하며 경관과 휴양기회가 적은 휴양림)는 25개 휴양림에서 25개로 조정되었다. 이는 기존 연구들에서 시행하지 않았던 구분된 유형들에 대한 타당성 검증의 유용성을 보여주는 것이라 할 수 있다. 휴양림의 유형구분은 정책의 수립 실행에 효율성을 증대시켜 주는 것은 분명한 바, 나아가 구분된 유형들의 타당성을 검증함으로써 향후 정확한 목표휴양림에 대한 정책수립 실행의 효과를 기대할 수 있을 것이다.

• 환경영향평가
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• 제21권6호
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• pp.903-916
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• 2012

We need to use aesthetic landscape assessment(ALA) as the means of riparian buffer zone(RBZ) management. This study verified the political validity of designation policy of RBZ and land purchase policy. The purpose of this study was to propose RBZ landscape management strategies through ALA of RBZ in Gyeongan Stream for the better attractive and healthy riparian landscapes. The natural type landscape units(LUs) covered 40.9% of the entire area and the cultivated land type LUs covered 20.58%. Landscape assessment consisted of landscape quality and landscape integration assessment. The criteria for assessing landscape quality(LQ) were naturalness, interest, uniqueness, and landscape function. LQ was ranked into five grades using a matrix. The landscape integration assessment consisted of an inner integration assessment in each LU and outer integration assessment among LUs. To review the propriety of designating the riparian area and the riparian ecological belt, differences in ecological appraisal and aesthetic valuation were reviewed through a t-test, Oneway ANOVA, and logistic analysis. The results of ALA, 29.15% of the entire area scored at grade 1 in LQ, while 31.95% scored at grade 5, indicating that grade 5 areas occupied a high share. Surveyed areas were divided into designated RBZ and undesignated RBZ. Results indicated that designated RBZ scored grade 1 in LQ took up 33.2% of the total, significantly higher than the 23.3% taken up by undesignated RBZ. When examined according to buffer distance, grade 1 areas within 50m took up 50.2% of the total area, lower than the 32.7% at buffer distances of 500m-1km. Results indicated a 1% statistically significant difference. Accordingly, analysis was undertaken for the expansion of designation of the riparian area and the selection of appropriate land for formation of a riparian ecological belt, and was designated at priority 1 and 2 for land purchase. This study can also contribute to the formation of a riverine eco-belt through discovery of design factors for upgrading the ecology, aesthetics, and landscape of the riparian area and application in determining land purchase priorities.

• 한국환경복원기술학회지
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• 제22권5호
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• pp.13-25
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• 2019

The Baekdudaegan protected area is a regulatory-oriented policy that does not consider the residents, and has been affected by the shrinking of local economy and the reduction of community activities. In order to minimize the damages, Baekdudaegan resident support programs has been implemented but various problems have been pointed out failing to lead to local revitalization. In addition, the zoning districts consists only of the core district and buffer district, which makes it more difficult to improve the lives and satisfy the needs of residents due to the stricter regulations. This study suggests the revitalization of Baekdu-daegan protected area by reforming the zoning system of Baekdu-daegan protected area. Considering related plans and systems, legal validity, residents' repulsion, area, etc., four reorganization plans were drawn according to each strength and weakness. Principles, additional permissible activities, example of amendment to 'Baekdudaegan Protection Act' according to each plan were also presented. The results of this study can contribute to the improvement of income and welfare of the residents in Baekdudaegan protected area. However, further research is needed because it is a limitation that the specific scope of the proposed plans could not be set.