• Journal of The Korean Association For Science Education
• /
• v.29 no.2
• /
• pp.137-155
• /
• 2009

The purpose of the present study was to analyse the effectiveness of a gifted education program. To analyse the effectiveness of an education program for the gifted affiliated with a university, the study carried out a quasi-experimental design to compare the 153 gifted students who enrolled in an education center for the gifted and the 131 potentially gifted students who were nominated by teachers for their high achievements and interests in science but without any education services for the gifted. These two groups of students were compared in the aspects of problem finding ability in science, motivation, self regulation, science-related attitudes, and science anxiety through the pre- and post-treatment settings. The results indicated that the gifted group showed a significant improvement in originality and elaboration of problem-finding ability, but the potentially gifted group showed significant decrease in most variables of problem finding. Related to motivation and self-regulated learning, gifted students showed an increase in cognitive strategy use and decrease in intrinsic value, but the potentially gifted students showed significant decreases in most variables related to motivation and self-regulation, except intrinsic value. Related to the scientific attitudes and science anxiety, there were no significant changes between pre- and post-tests in the gifted group, but significant decreases in most variables were found in the potentially gifted group. The results of paired t-test and Ancova indicate that significant differences between the gifted and the potentially gifted groups are mainly due to the significantly lowered performance in post tests in the potentially gifted group, rather than a significant increase in gifted group.

• 한국과학교육학회:학술대회논문집
• /
• 2009.02a
• /
• pp.56.1-56.1
• /
• 2009

• Proceedings of the Korean Society for Information Management Conference
• /
• 2013.08a
• /
• pp.167-170
• /
• 2013

본 연구는 이용자의 개인적 특성인 성격특성과 이용동기에 따라 대학생의 온라인 정보탐색행위에서 어떤 유의미한 차이가 나타나는지 살펴봄을 목적으로 한다. 연구 방법은 설문지를 이용하였다. 인문사회과학 대학생 134명을 대상으로 KEPTI 에니어그램 성격유형검사 도구를 사용해 측정하고, 이용 동기는 학습동기, 취업동기, 생활동기, 뉴스동기의 4가지로 나누어 조사하고 정보 탐색 행위는 도서관 OPAC 및 인터넷 웹 자원 이용을 중심으로 살펴보았다.

• Journal of The Korean Association For Science Education
• /
• v.32 no.2
• /
• pp.320-330
• /
• 2012

Understanding the relation between basic science and applied science is important for students in understanding the importance of learning science, the relationship between scientific knowledge and human life, and for enhancing their science motivation. In this study, we evaluated the statistical validity of this hypothetical model and explored the effect of gender and students' preferred courses (e.g., humanities, science, and art) on four dependent variables. We also evaluated the differences of students' understanding across scientific domains and students' understanding concerning basic and applied scientific knowledge. Three hundred and twenty five 10th grade students participated in this survey research. Statistically, we employed bivariate correlation, partial correlation, path analysis, two-way ANOVA, and repeated measures ANOVA. Our findings illustrated that our hypothetical model was statistically valid. In addition, the significant interaction effects of gender and students' preferred courses on each dependent variable were shown. Students have different levels of understanding of the convergence of basic and applied science, the relation between scientific knowledge and human life, and the importance of learning science across scientific domains (e.g., physics, chemistry, earth science and biology).

• Journal of the Institute of Convergence Signal Processing
• /
• v.22 no.2
• /
• pp.64-70
• /
• 2021

Nowadays, there are significant interests in real-time remote control using wireless networks. In implementing real-time remote control, one important factor is delay performance of real-time control message. Especially, the technique to reduce jitter of delay is necessary in transmitting periodically real-time control message. In this paper, we proposed synchronized transmission to reduce jitter of delay, when real-time control message was transmitted through wireless networks. The proposed transmission kept synchronization between source node and wireless transmitter and controlled transmission instance to transmit real-tie control message with fixed delay in wireless networks. According to results of experiment in military unmanned vehicle system, the proposed transmission reduced jitter of delay as 32% as that of a non-employing case.

• Journal of The Korean Association For Science Education
• /
• v.19 no.1
• /
• pp.91-99
• /
• 1999

The researches related to students' preconceptions and conceptual change model have been reported that students' learning motivation is one of the key variable for the conceptual change. The effects of students learning motivations on conceptual changes were evaluated. Subjects of this study were 8th grade students. and they were divided into 2 groups. One group was taught by traditional teaching method, and the other group by concept change teaching model. After the intervention, learning motivations of the students were testified. The students of high motivation who were taught by concept change teaching model showed higher scores in the concept of chemical change than the students by traditional teaching method. But there was no difference in both groups of students who have low learning motivations. The learning motivations before the intervention. the motivations stimulated by classes. and the degree of concept understanding showed high correlation. The motivations stimulated by classes explain 23.3 % of the degree of concept understanding. The results seems to mean that students learning motivations contribute to the understanding of concepts. Especially confidence of learning as a subcategory of the learning motivation contributes significantly to the understanding of new concepts. In contrast, the traditional teaching methods and the teaching methods of concept change learning theory were not effective for the stimulation of students learning motivations.

• Journal of KIISE:Computing Practices and Letters
• /
• v.14 no.5
• /
• pp.487-491
• /
• 2008

This paper proposes the Byzantine fault tolerant clock synchronization scheme for wireless sensor networks to cope with the clock synchronization disturbance attack of malicious nodes. In the proposed scheme, a node which is requiring clock synchronization receives 3m+1 clock synchronization messages not only from its parent nodes but also from its sibling nodes in order to tolerate malicious attacks even if up to m malicious nodes exist among them. The results show that the proposed scheme is 7 times more resilient to the clock synchronization disturbance attack of malicious nodes than existing schemes in terms of synchronization accuracy.

• Journal of The Korean Association For Science Education
• /
• v.25 no.5
• /
• pp.547-554
• /
• 2005

A developed Web-aided laboratory program visualized invisible gas. In the Web-aided laboratory temperature and pressure were controlled and the resultant findings were presented as types of graphs, disclosed in the form of an analyzed report. A Web-aided laboratory experiment and traditional experiment group(2 classes) were assembled from a farming village co-educational high school and taught the motion of molecule lesson for 2 class hours. Before actual class instruction, to survey learner motivation characteristics, the short-version GALT, the test of attitudes toward science instruction, was administered. After instruction, student learning achievement, TOSRA, and IMMS, were administered to the two groups. To analyze data ANCOVA was administrated. Result found that attitudes towards science instruction did not significantly differ, but learning motivation and achievement were significantly altered.

• Science of Emotion and Sensibility
• /
• v.13 no.1
• /
• pp.225-234
• /
• 2010

To investigate the role of positive emotion in education, we have reviewed the previous studies on positive emotion, learning and motivation. In the present study, we examined the definition of positive emotion, and influences of positive emotion on cognition, creativity, social relationship, psychological resource such as life satisfaction, and interactive relationship among positive emotion, motivation and learning. To investigate the role of positive emotion on motivation and learning more scientifically, we examined the recent results of neuroscience. In other words, we have reviewed diverse research on positive emotion, learning and motivation based on brain-based learning. We also examined the research of autonomy-supportive environment as the specific example of improving positive emotion. As one of the most effective methods for emotional education, we discussed brain-based learning, the new research field. As the future prospects, we discussed the implications, possibilities and limitations of brain-based learning.

• The Journal of the Convergence on Culture Technology
• /
• v.7 no.3
• /
• pp.203-213
• /
• 2021

This study involves descriptive research designed to understand the level of major satisfaction, the motivation for major selection, and major commitment of undergraduate nursing students, as well as the factors influencing major commitment and the mediating role of major selection motives. Data collection was conducted with 228 people enrolled in nursing colleges located in Daegu and North Gyeongsang Province, and proceeded from November 7th to November 16th, 2020. The collected data was analyzed with the SPSS/WIN 22.0 program. The analysis found that the level of major satisfaction was high and that the motivation for major selection and the major commitment were strong. Major satisfaction and motivation for major selection were predicted as factors influencing major commitment. Major satisfaction and major commitment were partially mediated by the motive for major selection, and specifically, they were partially mediated by personal motives. These results provide basic information to improve the undergraduate nursing students' major commitment, and suggests the importance of the process in which nursing is selected as a major.