• Journal of The Korean Association For Science Education
• /
• v.11 no.1
• /
• pp.15-24
• /
• 1991

The purpose of this study was to investigate the effectiveness of Learning Cycle approach to change the concept of density. The results of the study were as follows : 1) Students already had various types of preconception related to density before formal learning. These preconceptions mostly differ from scientific concepts. 2) Male students were much better than female ones in the development of scientific concepts before formal learning. These differences were found statistically significant(P<0.01). 3) The higher the cognitive level of the students, the better the development of scientific concepts. 4) In the change of preconceptions to scientific concepts by treatment, there was significant difference between control group and experimental group at the 0.05 level. It was found that Learning Cycle approaches were more effective than traditional approaches in acquiring the concept of density. 5) It was found that there was no significant difference On the retention level of the concept of density between control group and experimental group.

• Korean Journal of Adult Nursing
• /
• v.12 no.3
• /
• pp.345-355
• /
• 2000

The purpose of this study was to explain the relationship of professional self-concept, self-efficacy and job satisfaction among nephrology nurses. The subject consisted of 84 nephrology nurses who work at 17 hospitals in Kwangju, Chonnam, Chonbuk and Cheju-do. The instrument of this study was a structured questionnaire on professional self-concept, self-efficacy and job satisfaction. The data were collected from August 16 to September 10, 1999 and analyzed by Cronbach alpha, descriptive statistics, t-test, ANOVA, Scheffe's test and Pearson's correlation coefficient by using the SPSS/PC+ program. The results of the research were as follows : 1. The average item scores were 2.73 for professional self-concept and 7.16 for selfefficacy. The average item score of job satisfaction was 3.05. Professional status (3.56) among the component factors of the job satisfaction had the highest value followed by the interaction(3.46), task requirements(3.28), autonomy(2.98), organizational requirement(2.70), and pay(2.22) was the lowest. 2. The relationship between general characteristics and professional self-concept shows a significant difference with regard to position and the nurses' intention to stay. The relationship between general characteristics and self-efficacy shows a significant difference with regard to position and shift. 3. A significant positive correlation between professional self-concept and self-efficacy (r=0.462, p<0.01) was found. A significant positive correlation between professional self-concept and job satisfaction(r=0.486, p<0.01) was found. In conclusion, professional self-concept and job satisfaction of nephrology nurses are significantly related. A professional self-concept is an important factor for job satisfaction of nephrology nurses. Therefore, this study suggested that we should develop programs and policies to increase the professional self-concept of nephrology nurses for their job satisfaction.

• Bulletin of the Korean Mathematical Society
• /
• v.42 no.2
• /
• pp.379-386
• /
• 2005

In this paper, we consider a collection of ideals of a difference algebra X. We use the concept of congruence relation with respect to ideals to construct a uniformity that induces a topology on X which makes this to a topological difference algebras. We study the properties of this topology regarding different ideals.

• Journal of Korean Medical classics
• /
• v.22 no.4
• /
• pp.199-211
• /
• 2009

The concept of Myeongmun(命門) could be found in early medical texts such as "Naegyeong (內經)" and "Nan-gyeong(難經)", but the real idea about Myeongmun(命門) had mainly originated from "Nan-gyeong", in successive medical research. The concept of Myeongmun in "Nan-gyeong" could be read as an organ without form, and under the influence of Taoism theory, the concept of Myeongmun could also be understood as Danjeon(丹田). The theory about Danjeon in Taoism theory affected the concept of Myeongmun in medical theory to be closely related with the concept of Hwa(火), especially Sanghwa(相火). Through the theoretical development of Myeongmun and Sanghwa, the concept of Sanghwa could have been understood as a kind of Hwa(火) in human body, and the theoretical development like this had appeared from the time of Geumwon(金元) dynasty, when many medical doctors had experienced the Naedan(內丹) theory of Taoism. Under the influence of Taoism theory, from the time of the Geumwon dynasty to Myeong(明) dynasty, efforts to explain the concept of Myeongmun and Sanghwa in the human body made various meaningful theoretical products, which was not well-known within medical theories of ancient times. We need to recognize the differences in the understanding of the concept of Myeongmun and Sanghwa among each medical doctors, especially among those that showed opposite views. This study is based on the opinion that the difference in the understanding of the concept of Myeongmun and Sang-hwa among each medical doctors had been mainly due to the difference of understanding and analyzing the Taoism theory as the origin of the Myeongmun and Sanghwa theory in medicine. Regarding this, this study will take an overview of the successive development of Myeongmun and Sang-hwa theory in medicine, and will also look into the concept of Danjeon and Sanghwa in Taoism theory, which will allow better understanding of the progress of development of the Myeongmun and Sanghwa theory.

• Journal of the Korean Society of Earth Science Education
• /
• v.5 no.2
• /
• pp.197-203
• /
• 2012

The main purpose of this research is to search the effect of different types of advance organizers in elementary science classes, to the students in acquiring scientific concepts and its retentions. In order to proceed with the research, We have chosen 93 students of three different classes of fifth graders, studying in M elementary school in U metropolitan city. We have randomly chosen two classes as an experimental group and one class as a comparative group. In the first experimental group (Group1), advance organizer was put in a form of a sentence., and the second experimental group (Group2), advance organizer was put in a form of a picture. For the comparative group, We have not put any advance organizer, and the method of class was proceeded as it was before. The result of this research are as follows. Firstly, the result of 'One-way analysis of variance' on scientific concept grade, right after the experiment on three groups, has shown a meaningful difference that, the shape of advance organizer does affect the acquisition of elementary school students' scientific concept. Secondly, even though Group1, who was given with a sentence as an advance organizer, got higher scientific concept scores after the experiment than that of comparative group, However, there was not a meaningful difference between Group1 and comparative group. Thirdly, Group2, who was given with a picture as an advance organizer, has shown a meaningful difference from comparative group. Judging from the facts above, utilizing an advance organizer of a picture in elementary science class, will be very affective on students' acquiring scientific concept.

• Journal of The Korean Association For Science Education
• /
• v.23 no.6
• /
• pp.617-626
• /
• 2003

Although many studies have investigated the effectiveness of concept mapping and the learning cycle, in Korea none have explored the effectiveness of concept mapping and the learning cycle combined. This study explored the effectiveness of concept mapping, the learning cycle, and a combination of concept mapping/learning cycle(CL) in high school biology class. Students' science achievement, the science related attitudes and scientific inquiry ability was measured. The results indicated that concept mapping, the learning cycle, and CL treatment were significantly different from the traditional one in science achievement(p< .05). However, the three treatments were not significantly different from each other. No significant difference exists among different learnings in high and average-ability students. But, concept mapping was the most effective in low-ability students. For the students' scientific inquiry ability, CL and learning cycle were more effective than concept mapping and traditional learning. No significant difference exists among different learnings in high-ability students. CL and learning cycle were more effective than concept mapping and traditional learning in average and low-ability students. For the students' science related attitudes, concept mapping, the learning cycle, and CL were more effective than the traditional learning. But, there was no significant difference among these three groups.

• Journal of Korean Academy of Fundamentals of Nursing
• /
• v.1 no.2
• /
• pp.113-126
• /
• 1994

This study was designed and undertaken to find out the influence of aerobic dancing on women's body image and self-concept, and to determine that body image is directly related to their self-concept. The data were collected from August 1st to September 30th, 1993. The subjects in this study were 150 women registered at aerobic center in Taejon city over for 4weeks(aerobic dancing group) and 132 women who visited at 3 beauty shop located in Taejon city and did not participate in any sports program over for 4 weeks (genernal group). Data were analysed for mean, $X^2-test$, T-test, ANOVA and Pearson-correlation coefficients using the SPSS program. The results of this study were as follows ; 1. Hypothesis I : 'There will be a difference in body image between aerobic dancing group and general group', was rejected (t=1.46, p>0.05) 2. Hypothesis II : 'There will be a difference in self-concept between aerobic dancing group and general group', was supported (t=2.38, p<0.05) . 3. Hypothesis III : 'The more positive body image will be, the higher self-concept will be', was supported(r=0.3393, p<0.01). 4. In the relationships between the body image and the general characteristics of the subjects, occupation(aerobic dancing group and total group), religion(general group), and marriage status(total group) were statistically significant results. 5. In the ralationships between the self-concept and the general characteristics of the subjects, the relationship between evaluational self-concept and occupation was statistically significant result in the total group, between the cognitive self-concept and occupation was in the general group and total group, and between evaluational self-concept and education was in the aerobic dancing group.

• East Asian mathematical journal
• /
• v.39 no.2
• /
• pp.119-139
• /
• 2023

Most of calculus and real analysis are concerned with the study on continuous functions. Because of self-sustaining concept caused by everyday language, continuity has difficulties. This kind of viewpoint is strengthened with that teacher explains continuity by graph drawn ceaselessly and so finally confused with mathematics concept which is continuity and connection. Thus such a concept image of continuity becomes to include components which create conflicts. Therefore, we try to analyze understanding of continuity on university students by using the concept image as an analytic tool. We survey centering on problems which create conflicts with concept definition and image. And we investigate that difference of definition in continuous function which handles in calculus and analysis exists and so try to present various results on university students' understanding of continuity concept.

• Journal of Fisheries and Marine Sciences Education
• /
• v.16 no.2
• /
• pp.187-198
• /
• 2004

The purpose of this study is to provide the basic data to activate the operation of the volunteer activities. The specified subjects for this study are how different is it in the changes of the self-concept and the satisfaction and the intention of the continuance of volunteer activities according to the type of volunteer work and guiding organization for middle school students. For this study, 64 students, the homogeneous ability group, were intentionally assigned in the preliminary inspection of self-concept and 16 students were randomly allocated respectively for 4 groups. The consequences based on the result are as follow: First, it has more influence with the group activities than the individual on the changes in the self-concept. But, there isn't meaningful difference by each guiding organization. Therefore, the school has to provide with activating middle school student's activities by developing various weekly and monthly club volunteer activities. Second, for the satisfaction and the intention of continuance among the guiding organization, it has meaningful difference in the group activities only, not in the individual ones. It gives the ground for the government to provide intensified support to the leaders of the group and grant the incentives to the group of distinguished activities, in the perspective of developing sociality, promoting the group volunteer activities.

• The Journal of Korean Physical Therapy
• /
• v.21 no.3
• /
• pp.109-117
• /
• 2009

Purpose: We investigated the relationship between professional self-concept and the job satisfaction of physical therapists. Methods: The subjects of the study were 221 physical therapists who worked in medical institutions in Seoul city and Kyounggi do. A questionnaire developed by Arthur and adapted by Sohng and Noh was used for measuring the professional self-concept. A questionnaire developed by Kim and Son and adapted by Kim and Jeon was used for measuring the job satisfaction. Results: The levels of the professional self-concept of physical therapists was a mean of 3.51 points and the level of job satisfaction was a mean of 3.32. There was a statistically significant difference for the professional self-concept of physical therapists according to such general characteristics as age (F=6.38, p<0.05), career (F=4.56, p<0.05) and pay (F=15.94, p<0.05), and there was a significant difference of job satisfaction according to such general characteristics as age (F=15.94, p<0.05), career (F=13.65, p<0.05) and pay (F=12.96, p<0.05). (ED note: this sentence made no sense. What I wrote is guesswork. You have to work on it.) The relationship between professional self-concept and job satisfaction showed a positive correlation (r=0.65, p<0.05). Conclusion: These findings show that modifications to the current program may improve the professional self-concept and job satisfaction of physical therapists.