• Journal of Industrial Convergence
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• v.19 no.3
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• pp.13-26
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• 2021

This study suggested and investigated a charismatic leadership at the group level. Data from 463 in 86 groups showed that charismatic leadership was valid at the group level. We found that charismatic leader behavior positively affected followers' voluntary acceptance of their leader at the group level. In addition we found that followers' voluntary acceptance of their leader positively affected group performance and innovation behavior at the group level. We also found that followers' voluntary acceptance of their leader mediated the relationship between charismatic leadership and group performance and the relationship between charismatic leadership and group's innovation behavior based on group level of analysis. In conclusion section the results from this study was discussed from a theoretical and a practical perspectives and limitations and future directions of this study were also discussed.

• 한국노년학
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• v.41 no.3
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• pp.309-325
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• 2021

This study explored the differences in health information verification behavior according to digital literacy and health empowerment between elderly and non-elderly groups. Targeting a total of 1,000 people in the two groups, demographic characteristics according to digital literacy and health empowerment were investigated. Interestingly, this study found that elderly people fell primarily in the category of low digital literacy and high health empowerment. However, non-elderly people were frequently found in the high digital literacy and low health empowerment category. Also, our analyses found an interaction effect in digital literacy and health empowerment on health information verification behavior in the elderly group, while the main effect of health empowerment was verified in the non-elderly group. These results imply that the elderly need to improve both digital literacy and health empowerment, while the non-elderly need to focus on developing subjective confidence through health empowerment.

• Korean Journal of Ichthyology
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• v.35 no.4
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• pp.217-223
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• 2023

The 886-bp sequence of the mitochondrial region encoding the cytb gene was used to identify the origin of the Goryeong (GR) population of Pungitius kaibarae and to characterize genetic diversity and structure among wild populations. The GR population showed the lowest haplotype diversity (H_d=0.000), while the highest haplotype diversity was confirmed at 0.755 among the Goseoung (GS) population. Nucleotide diversity ranged was the highest diversity at 0.00291 in the GS population and the lowest diversity at 0.00000 in the GR population. The GR population was genetically closest to the Pohang (PH) population. The haplotype network confirmed that the GR population was most similar to the PH population. The GR population also clustered with the PH population with high bootstrap support (98%) in a phylogenetic tree. We thus conclude that the GR population is derived from a population similar to the PH population.

• The Journal of the Korea Contents Association
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• v.13 no.12
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• pp.201-211
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• 2013

This study examined the effect of valence for best reply on the conformity of general reply in online environment. A total of 194 participants participated in this study, each participant assigned randomly in three experimental groups(positive, negative, and control). Participants were asked to read online news article, best reply and general 6 replies, and then, to write their own opinions in the reply section. In addition, the level of self-expression and issue commitment were measured. The contents of reply participants written was categorized three valence(positive, negative, and neutral) by the four experimenters' judgment. The mean of inter-rater reliability was 84.9%. The results indicated that the level of self-expression and issue commitment were comparable across experimental conditions. However, the result of cross-table analysis showed that there is a significant difference in the valence of general reply across experimental conditions. Specifically, there were significant difference in the valence of general reply between positive and negative experimental group and positive and control group, but there is no significant difference between negative and control group.

• Journal for History of Mathematics
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• v.24 no.4
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• pp.157-180
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• 2011

This paper analyzed about gender difference in the achievement of underachievers of high school students while learning using technology. Participants were composed of 67 underachievers on first grade in high school located in a metropolitan city. That had never used a mathematics educational calculator before. Target participants were divided into two groups: experiment group that studied activity papers with a CAS calculator. And control group that studied the same activity papers using only paper-and-pencil. The content of the activity papers for the two groups was the same, but the structure differed. The two groups completed mathematics achievement tests both before and after the activity papers. The results are that find out no difference of the mathematics achievement between boys and girls in each group, and that the mathematics achievement of boys in experiment group are better than one of boys in control group, and also girls.

• The Journal of the Korea Contents Association
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• v.17 no.12
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• pp.447-460
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• 2017

The purpose of this study is to investigate the factors affecting consumer resistance of smart watches, focusing on consumer groups. SPSS 19.0 was used to conduct a descriptive analysis and multi regression analysis of the data. This study is based on the questionnaire data of 407 consumers. The results of this study are as follows. First, the relative advantage was identified as a factor in reducing consumer resistance across all gender and age groups. Second, complexity has been identified as a factor that increases the consumer resistance of female consumers, and consumer groups in their 20s and 40s. Third, esthetics was found to reduce consumer resistance in men, women, and the consumer group in their 20s. Fourth, subjective norms were identified as a factor reducing consumer resistance in women and in consumer groups in their 20s and 30s. Fifth, the risk of privacy was identified as a factor in increasing consumer resistance in men and the consumer group in their 40s. The results of this study can be helpful to understand consumer resistance to smartwatches.

• Korean Journal of Plant Resources
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• v.24 no.5
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• pp.540-548
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• 2011

Characteristics of leaf morphology was examined in 11 natural populations of Acer pictum subsp. mono (Maxim.) Ohashi in Korea. Nested Anova showed that there were statistically significant differences among populations as well as among individuals within populations in all 14 quantitative characters. In all the leaf characters, variance components among individuals within populations were higher than those among populations. Some morphological characters such as the ration of Blade length to Petiole length (0.90), Uower lobe width (0.85), Blade length (0.83), and Middle lobe width (0.83) showed the relative high differences in the values of differentiation (Dij) among populations. Of the ten populations, Gwangyang (1.36) and Cheongyang (1.30) were highly differentiated based on the total mean Dij of fourteen morphological characters, while Ulju (0.30) and Jeongseon (0.44) were scarcely differentiated.

• Journal of The Korean Association of Information Education
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• v.7 no.2
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• pp.249-260
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• 2003

The group counseling with their friends who have the same problem is more useful to solve the problem of the elementary school students, and is desirable to use the abilities of group as class in the respect of problem solution and mental graduation. But, in the school nowadays, because there is not enough space and time to have group counseling and is no much information about it, the group counseling hasn't made well even though there is will. Therefore, we need a system for group counseling adding cyber counseling in order the passive students can take part in the counseling well and we can overcome restriction of time and space. So, in this paper, the reasons and problems why the group counseling is hardly made was found and in order to solve the problems and to get the effects of the group conseling easily, implemented web based group coulseling system, adapted it in the school, analyzed the results. Consequently, I could supply some disadvantages of the face to face coulseling to advantages through the web based group counseling system.

• Korean Journal of Childcare and Education
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• v.9 no.5
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• pp.299-320
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• 2013

This research aims to develop and evaulate the effectiveness a group theraplay program for teachers than can boost full-day kindergarteners' ego resilence, peer competence and teacher-child relationships. A total of 14 children attending a full-day kindergarten located in Seoul were the subjects of this study. The experimental group consisted of 7 children exposed to 10 sessions of group theraplay for 50 minutes per session, held twice a week. The control group consisted of 7 children who did not receive any treatment. The teacher evaluated ego resilience, children's peer competence and student-teacher relationships to investigate two group's behavioral changes. Data analysis was done by performing the non-parametric Mann-Whitney test and Wilcoxon test after classifying and evaluating pre- and post-examinations of each group. The results of this research are as follows : The group theraplay program was found to be effective based on the study results of improving ego resilience and peer competence among full-day kindergartners and strengthening teacher-child relationships.

• The Korean Journal of Zoology
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• v.34 no.4
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• pp.571-584
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• 1991

잉어과(Gyprinidae)의 Zocco속 어류 4종과 Candidia속 어류 1종에 대한 종간 유연관계와 종분화 연대측정 및 이들의 지질학적 분포경로를 밝히기 위하여 한국, 일본 및 대만에서 채집된 개체를 대상으로 전기영동법에 의한 유전자 분석을 하였다. 각 종의 지역별(한국, 일본, 대만) 집단간 유전적 유연관계를 분석한 결과 평균 유전적 근연치는 90% 이상이었다. Z. temmincki의 경우 일본집 단들은 한국의 A-type 집단과는 유연관계가 가까왔으나 한국의 B-type과는 유전적 차이가 현저하러다. Z. PlaD여5의 경우 한국집단과 일본집단사이의 유연관계는 S = 0.852였고, 한국집단과 대만집단 사이는 5 = 0.672, 일본집단과 대만집단 사이는 S = 0.751로서 지리적으로 현저한 차이를 업였다. Z. pochycephalus 3개 집단간의 유전적 근인치는 S = 0.963이었고 Candidia borbota 2개 집단간은 S = 0.946이었다. 종간의 유전적 근연환계를 비교한 결과 Candidia borbota와 Z. temmincki사이는 S = 0.608, Z. pluDpus와 1. pachycephalus사이는 S = 0.612였으나, Z. temmincki와 Z. platypus사이는 S = 0.441, Z. temmincki 와 Z. pochycepholus 사이는 S = 0.350이었고, Z. plotpus와 Condfda barbata사이는 S = 0.328로서 이들 사이에는 현저한 유전적 차이가 있었다. 각 종간의 롱분화 연대를 추산한 결과 이들은 약 480만년 전인 Pliocene 초기에 공통 조상종에서 분화하여 Z. temmincki, Candidia borbato group과 Z. plotypus, Z. pochycepholus group으로 분리되었고 약 260만년 전인 Pliocene 후기에 Z. temminc소와 Candidia borbota로 분화되었다고 추산되며 약 80만년 전인 Pleistocene시기에 남 temmincki B-type에서 h-type이 분화되었다짙 여겨진다. 한편 또 다른 한 단opP은 약 230만년 전인 열iocene후기에 대만 지역의 Z. plotypas에서 Z. pochvcepholus가 분화된 후 현재에 이르렀다고 추정된다. Z. platypus는 약150만년 이전인 초기 Pleistocene시기에 대만지역에서 한국 및 일본집단으로 분리되었다고 보며 이들 한국집단과 일본집단은 약 50만년 전 Pleistocene의 Middle기에 고황하 수계를 거쳐 현재의 분포 상황에 이르렀다고 여겨진다. 한편 대. temmin체과의 B-type에서 저온 적응으로 분화되었다고 추측되는 A-type은 약 20만년 전인 Pleistocene의 Riss기에 역시 고황하 수계를 통하여 한국과 일본으로 분포하여 현재에 이르렀다고 사료된다.