• 한국콘텐츠학회논문지
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• 제15권7호
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• pp.629-642
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• 2015

본 연구의 목적은 동료들과 상호작용하면서 짝 또는 모둠 활동에 의해 어휘 과제를 하는 것이 어휘 습득에 효과가 있는지를 탐색하는 것이다. 대학생 112명이 세 집단으로 나뉘어 본 연구에 참여했다. 짝 집단(n=42)은 두 명씩 짝을 이루어 수업 시간 외에 3회의 어휘 과제를 한 후 공동의 결과물을 제출했고, 모둠 집단(n=32)은 4-5명이 한 조를 이루어 수업 시간에 과제를 해서 공동의 결과물을 제출했다. 대조군으로서 개별 집단(n=38)은 수업 시간 외에 혼자 어휘 과제를 하는 전통적인 방식이었다. 연구 참여자들의 사전 어휘 지식을 측정하기 위해 어휘 지식 시험을 시행했고, 실험 처치 후에 수용적 및 산출적 어휘 지식의 습득을 측정하는 사후 시험을 보았으며, 2주 후에 효과의 지속 여부를 평가하는 지연된 사후 시험을 실시했다. 본 연구에서 나타난 결과는 수업 시간에 동료들과 상호작용하면서 어휘 과제를 한 모둠 집단의 성취도가 가장 높았으며, 수업 시간 외에 과제를 한 짝 집단은 개별 집단보다 결과가 좋지 않았다. 어휘 지식 상 하위 군으로 구분하여 분석한 결과 어휘 숙달도가 높은 참여자들이 협력적인 모둠 활동을 통해 더 많은 어휘를 습득한 것으로 나타났다. 이런 결과들을 종합하여 교육적인 시사점도 논의되었다.

• 대한인간공학회:학술대회논문집
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• 대한인간공학회 1995년도 추계학술대회논문집
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• pp.18-26
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• 1995

To quantify a mental workload for office workers, nine element tasks were classified for office work. There were oral comprehension, written comprehension, oral expression, written expression, calculation, memorization, thinking, and classification materials. Among nine element tasks, oral comprehension, written comprehension, written expression, and thinking were selected and the degrees of conflicts between concurrently performed element tasks were measured and analyzed through the experiment. The measures were performance and subjective rating. The results were as follows. The written comprehension- written expression pair was showed the highest conflict value in terms of performance and subjective rating. The written comprehension-thinking pair was the lowest conflict value in terms of performance, while the oral comprehension-thinking pair was the lowest condlict value in terms of performance, while the oral comprehension- written expression pair was the lowest conflict value in terms of subjective rating. The findings are expected to be used for assessing workload for the office work.

• Journal of Information Technology Applications and Management
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• 제14권4호
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• pp.17-30
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• 2007

In recent years, pair programming has become a widely used approach for development of information systems. According to a worldwide survey, 35 percent of 104 development projects reported using pair programming. However, previous studies have shown rather mixed results in terms of the effectiveness of pair programming, comparing to individual or independent programming. This paper, therefore, uses a lab setting to control some of the variables that appear to have caused conflicting results in earlier studies. Writing SQL Queries for given problem statements is selected as the task the subjects to solve. One key issue addressed is the distribution of work load among the pair programmers and the independent programmers. Another is communication among co-workers as would occur in a real-world system development environment. The results of this study indicate there is no significant difference in task performance pair programming and independent programming.

• 디지털콘텐츠학회 논문지
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• 제19권9호
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• pp.1663-1669
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• 2018

짝 프로그래밍은 두 사람이 하나의 컴퓨터에서 코드를 작성하는 소프트웨어 개발 방법이다. 한 사람은 코드를 입력하고 다른 사람은 옆에서 훈수를 두는데 두 사람은 자주 역할을 바꾼다. 프로그래밍 실습 수업에 짝 프로그래밍을 적용하면 학습 성과 향상, 협동 작업 연습, 교류 증진 등 여러 가지 이득을 기대할 수 있다. 이 연구에서는 대학 프로그래밍 실습에 짝 프로그래밍을 적용하고 설문 조사를 통해 학생들이 짝 프로그래밍을 얼마나 잘 받아들이는지, 짝 프로그래밍을 받아들이기 어렵게 하는 요소가 무엇인지를 조사하였다. 조사 결과를 바탕으로 짝 프로그래밍을 도입할 때 고려할 사항을 가이드라인으로 제시하였다. 이를 요약하면, 학생이 짝 프로그래밍 참여 여부를 선택할 수 있게 해야 할 것이며, 역할 교대를 방해하는 요인들을 제거해야 하고, 짝 배정에 세심한 노력을 기울여야 한다는 것이다.

• 대한한의학방제학회지
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• 제23권2호
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• pp.245-259
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• 2015

Objectives : This study is intended to establish the areas of use of the major effects of Coptidis Rhizoma-Evodiae Fructus Pair in the Prescriptions. Methods : Prescriptions that include both Coptidis Rhizoma and Evodiae Fructus have been selected with the use of programs offered by http://www.koreantk.com, http://youl.net/data . This study compared and analyzed the main effects of the selected prescriptions. Results : Prescriptions that work on upper digestive system tend to have Coptidis Rhizoma to Evodiae Fructus ratio of 2:1~10:1, and Prescriptions that work on lower digestive system tend to have ratio of 1:1. When Coptidis Rhizoma takes up 50% or more of the total dose of the prescriptions, these prescriptions tend to have major effect on the upper digestive system, and when it takes less than 50%, these tend to have major effect on the lower digestive system on the contrary. Conclusions : The prescriptions based on Coptidis Rhizoma-Evodiae Fructus Pair have a tendency to treat digestive problems caused by mass of fever in Liver-system. On this basis, further studies are expected to unveil the effectiveness of these prescriptions on adult diseases.

• Bulletin of the Korean Chemical Society
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• 제21권1호
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• pp.9-22
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• 2000

Optical-optical double resonance experiments have been used to identify and characterize five ion-pair states and several of the bound and repulsive valence states of ClF. This report provides a description of these experiments for $^{35}CIF$ and $^{37}CIF$, and a summary of the current knowledge of the valence and ion-pair states. The important role of perturbations among the rovibronic levels of the bound valence states and their utilization in the double resonance technique is discussed. The ion-pair states of the same symmetry, ${\Omega}$=$0^+$ (E and f) and 1( $\beta$ and G) interact very strongly and the spectroscopy of these states is anomalous and, hence, interesting. Comparison is made to some recent ab initio calculations for ClF. One possible explanation of the irregular vibrational energy levels and rotational constants of the ion-pair states of $O^+$ and 1 symmetry is a crossing of the diabatic potentials of these states. Some currently unresolved questions about ClF spectroscopy are posed for future work. Where appropriate, analogy is made between the electronic states of ClF and the corresponding valence and ion-pair states of $Cl_2.$.

• 한국소성가공학회:학술대회논문집
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• 한국소성가공학회 1999년도 제3회 압연심포지엄 논문집 압연기술의 미래개척 (Exploitation of Future Rolling Technologies)
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• pp.452-456
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• 1999

Newly constructed plate shape control system, using attached shape measuring instruments and work roll bender, was put in service in No. 2 Plate Mill, POSCO. Recently, customers demand the improvement of flatness and plate crown accuracy. Many competition Plate Mill introducted shape control system, for example, pair cross mill, work roll bender which includes shape measuring instrument and shape control mathematical models, and No. 2 Plate Mill, POSCO introducted work roll bender and shape measuring instruments. This report describes the properties of No. 2 Plate Mill shape control system and work roll bender.

• 제어로봇시스템학회논문지
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• 제9권11호
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• pp.925-936
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• 2003

The manipulability analysis of the parallel-type rolling mill proposed in Hong et al. [1] is re-visited. The parallel rolling mill uses two Stewart platforms in opposite direction for the generation of 6 degree-of-freedom motions of each roll. The objective of this new parallel rolling mill is to permit an integrated control of the strip thickness, strip shape, pair crossing angle, uniform wear of rolls, and tension of the strip. New forward/inverse kinematics problems, in contrast with [1], are formulated. The forward kinematics problem is defined as the problem of finding the roll-gap and the pair-crossing angle of two work rolls for given lengths of twelve legs. On the other hand, the inverse kinematics problem is defined as the problem of finding the lengths of twelve legs when the roll-gap, the pair-crossing angle, and the position and orientation of one work roll are given. The method of manipulability analysis used in this paper follows the spirit of [1]. But, because the rolling force and moment exerted from both upper and lower rolls have been included in the manipulability analysis, more accurate results than the use of a single platform can be achieved. Two. kinematic parameters, the radius of the base and the angle between two neighboring joints, are optimally designed by maximizing the global manipulability measure in the entire workspace.

• 비파괴검사학회지
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• 제29권6호
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• pp.519-524
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• 2009

This work presents a simple technique to determine the Poisson's ratio of homogeneous solid material using a pair of low cost PVDF ultrasonic transducers. It is based on transducer's property of generating longitudinal and transversal waves depending on the excitation frequency. Mechanical tests were conducted to validate the proposed method, resulting in a good agreement between ultrasonic and mechanical techniques.

• 한국소성가공학회:학술대회논문집
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• 한국소성가공학회 1999년도 제3회 압연심포지엄 논문집 압연기술의 미래개척 (Exploitation of Future Rolling Technologies)
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• pp.447-451
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• 1999

The plate crown and shape control of plate rolling has become important to obtain not only improved quality but also better yield of products and higher work ratio of rolling. Therefore, the development of a new plate crown and shape control system has been demanded in plate rolling mill. The 3rd Plate Rolling Works of POSCO introduced the new unique system