• 대한수학교육학회지:학교수학
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• 제10권4호
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• pp.649-669
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• 2008

본 연구는 고등학교 학생들의 수학의 본질에 대한 인식과 신념 및 수학 학습에 대한 신념을 살펴보고, 수학교육의 발전을 위한 시사점을 찾아보는 데 목적이 있다. 이를 위해 일반계고 학생들과 전문계고 학생들의 수학의 본질에 대한 인식과 신념, 수학 학습에 대한 신념을 비교 분석하였고 각 학교의 학생들에 대한 신념의 차이점을 살펴보았다. 그 결과, 일반계고와 전문계고의 학교 유형별로 수학의 본질에 대한 인식과 신념, 수학 학습에 대한 신념의 차이가 두드러지게 나타났다. 또 고등학교 학생들은 수학의 가치성에 대해 낮게 평가하였으며, 일반계고 학생들이 전문계고 학생들보다 수학의 '심미적 가치', '도야적 가치' 및 '실용적 가치'를 더 낮게 평가하고 있는 것으로 분석되었다.

• 천문학회지
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• 제39권2호
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• pp.51-56
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• 2006

We report the development of a semi-VLBI observation system operating at 21 cm and present the measurement of visibility function toward the sun using this system. The system consists of two 2.3 meter antennas with a maximum separation of 35 meter, a conventional high speed data acquisition system, and a set of programs for software correlation. Since two local oscillators of receiver modules are independent, data had to be fringe-fitted to yield the visibility amplitude. It is found that the visibility amplitude decreases and then bounces back as baseline increases. We confirm that solar disk with brighter limb best explains the measured visibility amplitude.

• 한국과학교육학회지
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• 제26권5호
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• pp.611-619
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• 2006

The aims of this study are to investigate science high school students' understanding of velocity and acceleration of a simple pendulum bob, and to investigate their understanding of inertia and gravitational force in the motion of a pendulum bob when the tension is removed. For the study, 46 students that had already studied the physical, concepts in simple pendulum were sampled from a science high school in a large city in Korea. For a comparison with general high school students' conceptions, 49 students were sampled from a general high school in the same city. The test tool for the investigation consisted of four drawing and simple-answering type questions developed by the authors. The outcomes of the study revealed that a substantial number of science high school students have misconceptions concerning acceleration in pendulum motion, and that many of them do not understand the relationship between force and acceleration. In addition, the results of the study showed that more than 30% of the students drew the path of a bob going along the tangential direction at the highest point of the motion, and approximately 20% of them drew the path of a bob falling straight down at the lowest point of the motion.

• 수산해양교육연구
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• 제16권1호
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• pp.50-59
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• 2004

Recently, many more fisheries and shipping high school students have entered college than those of the past. But, this trend could be attributed to the easy and various forms of selection for college admission. Thus the examinations of the college scholastic ability 2005 have added to the vocational search ability including verbal ability, mathematic ability, foreign language ability and inquiry ability. The vocational search ability in fisheries and shipping field is concluded the general fisheries science, general maritime science, general marine science and fisheries and shipping information management. This study analyzed the questions of the fisheries and shipping subject of vocational search field with high school 2nd students on October 2003. In result, this study identified some needed basic scholastic ability for fisheries and shipping high school students.

• Journal of the Korean Data and Information Science Society
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• 제23권6호
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• pp.1173-1181
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• 2012

특성화고등학교와 일반계고등학교 학생들의 수학교과에 대한 태도를 비교 검토하고, 수학교과의 기초학습능력에 영향을 주는 요인을 파악하여, 특성화고에서 수학교과를 가르치는 교사들에게 효율적으로 수학교과를 교수 학습하는 방안을 마련하는 기초자료를 제공하고자 한다. 고등학생 654명을 대상으로 설문조사를 실시하여 통계분석하였다. 설문지에 대한 타당성과 신뢰성을 검토하고, 그 자료에 대하여 카이제곱검정과 감마값을 통하여 학교급 및 학년과 내 외적 요인들의 관련성을 분석한다. 또한 수학교과 기초학습능력이 학교급과 학년사이에 차이가 있는지 일반화선형모형을 적합해 본다. 그리고 기초학습능력에 영향을 주는 내 외적 요인을 회귀분석의 단계적 변수선택방법을 이용하여 찾아본다.

• 환경위생공학
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• 제22권2호
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• pp.53-60
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• 2007

A pilot study was conducted in order to investigate the concentration of formaldehyde at elementary school, middle school, the high school (108 classrooms) located in Chungchong-namdo during February - September, 2006. Also, divide by (45 classroom) General Classroom and (63 classrooms) Stateroom. The average concentrations of formaldehyde(HCHO) in the general classroom was high by $22.87\;{\pm}\;20.61\;{\mu}g/m^3$ elementary school, $22.08\;{\pm}\;12.70\;{\mu}g/m^3$ high school, $13.58\;{\pm}\;6.60\;{\mu}g/m^3$ middle school. The average concentrations of formaldehyde(HCHO) in the Stateroom was high by $27.58\;{\pm}\;30.5{\mu}g/m^3$ elementary school, $22.03\;{\pm}\;19.12\;{\mu}g/m^3\;22.87\;{\pm}\;20.61\;{\mu}g/m^3$ middle school, $24.92\;{\pm}\;28.15\;{\mu}g/m^3$ high school. There was correlation between formaldehyde concentrations and temperature, humidity in general classroom (P<0.05).

• 한국학교보건학회지
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• 제23권1호
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• pp.41-52
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• 2010

Purpose: The objective of this study is to investigate the relationship between middle and high school students' internet addiction, social support, self-efficacy and school life adjustment. Data were collected by self-administered questionnaires at middle and high school students located in Seoul and the metropolitan areas. Methods: The response rate is 94.8% (474 cases). The internet addition was measured by K Scale. The various methods of analysis were used, for example, frequency analysis, t-test, analysis of variance, and multiple regression analysis. Results: First, the mean score of internet addiction level is 2.07 in 5 Likert scale. the internet addiction level of the male students are higher than female students (p<.05). Second, as a result of classification of internet addiction groups by K Scale, 11 students (2.3%) are included in high risk group, 27 students (5.7%) are in potential risk group, 436 students (92.0%) are in general group. Third, the level of social support and self-efficacy of middle and high school students are very high. The difference of social support by internet addiction groups was not statistically significant. But, the difference of self-efficacy by internet addiction groups was statistically significant. The level of self-efficacy of the students in general groups are more higher than in high risk group and in potential risk group (p<.01). Fourth, the difference of school adjustment by internet addiction groups was very statistically significant. The level of school life adjustment of the students in general groups are more higher than in high risk group and in potential risk group (p<.01). Fifth, the internet addiction have a negative correlation with school life adjustment. And the social support and self-efficacy have a positive correlation with school life adjustment (p<.01). Finally, in stepwise multiple regression analysis, the internet addiction affects negatively on the school adjustment. And the support of teacher among three types of them affects positively on the school life adjustment. And the social self-efficacy among two types of them affects positively on the school adjustment (p<.01). Conclusion: to adjust desirably the school environment of the middle and high school students, optimal and efficient management of internet addiction was needed in the future and the improvement and promotion of social support and social self-efficacy of the students was also demanded.

• 한국정보통신학회:학술대회논문집
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• 한국정보통신학회 2022년도 추계학술대회
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• pp.404-406
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• 2022

본 연구에서는 일반계 고등학교의 고교학점제를 위하여 데이터과학 수업 방안을 설계하였다. 초·중학교나 일반계 고등학교에서는 시수 확보가 쉽지 않아서, 데이터과학과 같은 새로운 과목을 학습자가 마음껏 수강할 수 없지만, 고교학점제를 통하여 원하는 과목을 신청하여 학습을 진행할 수 있다. 이에 A시의 일반계 고등학교에서 데이터과학을 신청한 15명의 학생을 위하여 ADDIE 모형에 기반하여 수업 방안을 설계하였다. 본 연구를 통하여 학습 방안에 따른 데이터과학 수업 과정을 설계할 수 있었다.

• 융합경영연구
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• 제10권1호
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• pp.1-14
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• 2022

Purpose: The purpose of this study is to analyze the measurement results of the financial comprehension test conducted ten times in order to study the financial comprehension. Research design, data, and methodology: In this study, correct answer rates in the Economics and Finance Literacy Certification Test were analyzed across ten rounds of tests taken by 6,662 high school students in Korea. Result: The analysis revealed that Korean high school students' level of financial literacy generally increased as the grade level increased, and the correct answer rates of students at autonomous high schools and special-purpose high schools were statistically different from those of students at general academic high schools and specialized high schools. Conclusion: We can therefore infer that students at specialized high schools face limitations in tackling financial problems due to their lack of proficiency in interpretation and calculation of data necessary for real life financial decision-making. In contrast, students at general academic high schools, special-purpose high schools, and autonomous high schools who do not learn finance as a part of their official curriculum at school were lacking in basic financial knowledge as well as knowledge about the financial system compared to students at specialized high schools, highlighting the need for a measure to address the deficiency.

• 천문학회지
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• 제41권3호
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• pp.77-81
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• 2008

As a continuation of a previous work by Park et al. (2006), we have developed a two-element radio interferometer that can measure both the phase and amplitude of a visibility function. Two small radio telescopes with diameters of 2.3 m are used as before, but this time an external reference oscillator is shared by the two telescopes so that the local oscillator frequencies are identical. We do not use a hardware correlator; instead we record signals from the two telescopes onto a PC and then perform software correlation. Complex visibilities are obtained toward the sun at ${\lambda}\;=\;21\;cm$, for 24 baselines with the use of the earth rotation and positional changes of one element, where the maximum baseline length projected onto UV plane is ${\sim}\;90{\lambda}$. As expected, the visibility amplitude decreases with the baseline length, while the phase is almost constant. The image obtained by the Fourier transformation of the visibility function nicely delineates the sun, which is barely resolved due to the limited baseline length. The experiment demonstrates that this system can be used as a "toy" interferometer at least for the education of (under)graduate students.