• Title/Summary/Keyword: Test of hypothesis

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The Relationship between Social Norm and Intention to Use Illegal Download : Focused on Moderating Effects of Attitude to Copyright Law and Perceived Price Importance (규범인식과 불법다운로드 이용의향 간 관계 : 저작권법 태도와 콘텐츠 구매시 가격 중요성의 조절효과를 중심으로)

  • Kim, Dong-Tae
    • The Journal of the Korea Contents Association
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    • v.16 no.8
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    • pp.97-106
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    • 2016
  • The results of advanced studies which handled the relationship between social norm and intention to use illegal download don't match exactly. This study determined that the reason why the results of advanced studies are confused is, that moderator variables play important roles. For this reason, this study planned to test for significance of moderators consisting of attitude to copyright law(A) and perceived price importance at time of purchase(B). To achieve this, the present study divide social norm into two norms(subjective norm and group norm) and set up hypotheses on the moderating effects of two variables(A, B) between these two norms and intention to use the illegal download. The results show that all but one hypotheses are accepted. The other moderating effect hypothesis which is consist of subjective norm and attitude toward copyright law is rejected. This means that the effect of group norm on intention to use illegal download is moderated by attitude to copyright law. Also, this result means the effects of group/subjective norm on intention to use illegal download is moderated by the perceived price importance at time of purchase.

The Effect of Small Group Plastic Artistic Activities on the Emotional Intelligence of Early Young Children (소집단 소조활동이 유아의 정서지능에 미치는 효과)

  • Kim, Young Ju;Choi, Im Soo
    • Korean Journal of Childcare and Education
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    • v.3 no.1
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    • pp.17-37
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    • 2007
  • An abundant emotional experience in childhood can be a basis of success of their life. In this research, I set up a hypothesis as follows to see if a group plastic activities are effective for the improvement of children's emotional intelligence and self-emotion awareness ability, self-emotion management ability, self-motivation ability, other's emotion awareness ability and personal relationship skill ability. The research subjects were 40 children of 5 years old(experimental Group: 20, controlled group: 20) in Y kindergarten located in Ulsan. In pretest, we confirmed homogeneity between experiment and control group using child emotional checklist and then applied small group plastic artistic activities to the experiment group. Data analysis was performed with population, percentage, t-test and Cronbach a. The findings of this study were: First, the group plastic artistic activities was effective for the emotional intelligence of children. Second, the small group plastic activities was effective for the self-emotion awareness, self-emotion control and self motivation ability of children. Third, the small group plastic activities was effective for the awareness ability about other's emotion and personal relationship skill ability. The result of this study implies that the small group plastic artistic activities are effective children's emotion and we need to develop the various activity program and practice for children's emotion development.

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In Vitro Construction and Characterization of the Bacteriophage P4 Derivative, P4 sid71 cosP2, Containing the Bacteriophage P2 cos Region (박테리오파지 P2의 cos 지역을 함유하는 박테리오파지 P4 유도체인 P4 sid71 cosP2의 In vitro 조성과 정성 연구)

  • Kim, Kyoung-Jin
    • Korean Journal of Microbiology
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    • v.49 no.1
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    • pp.99-104
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    • 2013
  • Bacteriophage P2 sir mutants are inefficient helpers for their satellite bacteriophage P4. The term, "P2 sir-associated helper inefficiency" has been used to define this phenomenon and it has been suggested that the DNA sequence difference between the cos region of P2 and that of P4 is responsible. To test this hypothesis, P4 derivative phage, P4 sid71 cosP2, containing the cos region of P2 and sid71 allele was constructed through several in vitro DNA manipulation steps. Its burst size was determined using a one-step growth experiment. The results showed that the substitution of the cos region of P2 for the cos region of P4 in P4 sid71 cosP2 overcame "P2 sir-associated helper inefficiency". P4 sid71 cosP2 stock phages prepared with P2 wild type helper and P2 sir helper were analyzed using a CsCl buoyant equilibrium density gradient experiment. The results revealed that the phage particles containing three copies of the P4 genome were the predominant particles in both cases.

Relationship between Transformational Leadership and Innovative Behavior (변혁적 리더십과 조직혁신간의 관계)

  • Ko, Hyon-Sook;Kim, Jung-Hoon
    • The Journal of the Korea Contents Association
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    • v.11 no.4
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    • pp.361-377
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    • 2011
  • This study has three primary purposes, firstly to identify how leader's personal characters influence to his/her transformational leadership, secondly to find how transformational leadership influences to innovative behavior, finally to explore how organizational cultures moderate between transformational leadership and innovative behavior. The first part of the study, based on literature study on transformational leadership, provides insight into what are antecedents, moderators and dependent variable in transformational leadership. Firstly, leader's personal characters are selected as antecedent variables such as extroversion and self-efficacy. Secondly, innovative behavior is introduced as a dependent variable. Thirdly, two types of organizational culture are considered as moderators between leader's personal character and leadership In this study, a comprehensive research model and hypothesis were empirically tested based on data from three types of questionnaires involving 663 employees in Korean organizations. In order to test the hypotheses, we have used Structural Equations Model (SEM) from AMOS7.0. In this analysis, we have employed raw data as it is instead of correlation matrix or covariance matrix. We have tested hypotheses by examining the significance of each path of the model, and gone through the process of testing the goodness of fit of the model itself. The results of statistical analysis show the following. Firstly, one of leader's personalities, self-efficacy has positive effect on his/her transformational leadership, but extroversion does not have positive effect. Secondly, transformational leadership has positive effect on innovative behavior. Finally, there was not any cultural moderating effects between transformational leadership and innovative behavior.

The Study on the relations between Corporate Social Responsibility and Financial Performance (기업의 사회적 책임과 재무성과의 연관성에 관한 연구)

  • Kang, Jae-Ho;Kim, Dong-Hwan
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.11 no.2
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    • pp.681-688
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    • 2010
  • As the concerning about Corporate Social Responsibility(CSR) is increasing, corporate's expenditure about Corporate Social Responsibility is increasing year and year. As for this, we need the research about the effect of the expenditure about corporate social responsibility on financial performance. So, lot's of empirical researches have been tested in order to prove the relations between Corporate Social Responsibility and Financial Performance. But their results of study different from those of researchers due to the reasons of different methodologies and varieties of variables measuring. Therefore, in this article, setting two hypotheses with sampling 600 corporate firms from 2003 to 2005,first we analyzed financial performance of corporate which is carrying execution into corporate social responsibility and which is not. Second, we analyzed corporate which is carrying execution into corporate social responsibility before and after. In results of this paper, carrying execution into corporate social responsibility affects financial performance badly in short term. That's why we need to study for further more long term periods such as after 5-years or so. And financial performance of corporate which is carrying execution into corporate social responsibility is higher than others, accepting the second hypothesis just as this paper has set.

A Study on the Intention to Use and the Actual Use of Maritime Logistics Mobile Application (해운물류 모바일 애플리케이션의 사용의도와 사용에 관한 연구)

  • Chang, Myunghee;Kang, Dayeon
    • Journal of Korea Port Economic Association
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    • v.28 no.4
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    • pp.121-147
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    • 2012
  • The quick spread of smartphones has affected not only individual life but also the way companies conduct their businesses. Employees is their business work using a variety of mobile devices including smartphones and are in constant collaboration with one another by sharing corporate information. Accordingly, constant an increasing number of businesses have adopted mobile applications for work, especially in the field of maritime logistics, where maritime logistics mobile applications are utilized to track cargos and to provide visibility. Through surveys, this study did empirical analyses to find out the intention to use maritime logistics mobile applications of maritime logistics workers, and the find out factors affecting their actual use of mobile applications developed and used in the domestic maritime logistics industry. As for study variables, social influence, innovation, perceived value, and collaboration between companies were used as factors that affect the intention to use mobile applications. In addition, as a tool for measuring the actual use of mobile applications, which is necessary for figuring out the relationship between the intention to use them and their actual use, the connecting frequency and using time were used. A total of 168 surveys were used in the hypothesis test. The results of the analyses are as follow: First, the three variables of social influence, innovation, and perceived value positively affected the intention to use maritime logistics mobile applications. However, collaboration between companies did not affect the intention to use the applications. Second, the intention to use the mobile applications positively affected the actual use.

A Study on Health Perception and Health Promoting Behavior in the Elderly (노인의 건강지각과 건강증진행위)

  • Lee, Kyeong-Sook;Chung, Young-Sook
    • Research in Community and Public Health Nursing
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    • v.9 no.1
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    • pp.72-88
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    • 1998
  • This study was designed to identify the relationship between health perception arid health promoting behavior in the elderly. The subjects for this study were 92 persons over 65, who could be easily met in households, pavilions for the aged, and parks. The data were collected during the period from March 24th to April 12th, 1997 by interviews with a structured questionnaire. The instruments used for this study are as follows: The Health Perception Questionnaire developed by Ware (1979) and translated by Yu Ji-Su(1985). The Health Promotion Lifestyle Profile(HPLP) developed by Walker, Sechrist & Pender (1987) and partially amended by the author of this study. The Health Promotion Lifestyle Profile(HPLP) was parameterized by nutrition, exercise, stress management, self actualization, health responsibility, and interpersonal support. The data was analyzed by frequency, percentage, mean, standard deviation, t - test, ANOVA, and Pearson's correlation using an SPSS program. The results of this study were as follows: 1. Hypothesis 1 : 'The higher the level of health perception in the elderly, the higher the practice of health promoting behavior in the elderly' was supported(r=0.449, p<0.001). 2. The health perception mean score on a four point scale was 2.564. 3. For health promoting behavior, the mean score on a four point scale was 2.560. The factor of the highest mean score was interpersonal support(2.850) and factor of the lowest mean score was exercise(1.964). 4. Among the general characteristic variables, sex(t=4.12, p<0.001), religion(t=2.47, p<0.05), education(F=3.27, p<0.05), marital status (t=2.22, p<0.05), living situation(F=3.50, p<0.05), and hobby(t= -2.57, p<0.05) showed strong connections to health perception. 5. Among the general characteristic variables, religion(t = 1.83, p<0.05), and marital status(t= 2.12, p<0.05) showed strong connections to health promoting behavior. In conclusion, this study revealed that health perception is an important factor related to health promoting behavior in the elderly. The general characteristic variables showed strong connections to health perception and health promoting behavior. Therefore, nurses should consider health perception and general characteristic variables when they plan nursing intervention for the elderly. Also, educational programs encouraging constructive health perception should be developed.

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An Empirical Study on the Effect of Information Sharing Level on Supply Chain Integration between Companies and Corporate's Performance (기업 간 정보공유수준이 공급사슬통합과 기업성과에 미치는 영향에 관한 실증연구)

  • Kim, Hyun-Chung;Lee, Choong-Bae
    • Journal of Korea Port Economic Association
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    • v.36 no.1
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    • pp.141-164
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    • 2020
  • With business environments around the world facing uncertainty and complexity, companies have focused on supply chain management as one of the essential elements in securing a competitive advantage. Successful supply chain management requires internal efforts to strengthen the core competencies of the company and the integration of individual functions in the supply chain. This study aims to investigate the effect of information sharing between companies on supply chain integration and corporate performance. The research hypothesis established in previous studies was analyzed using structural equation modeling. A total of 723 questionnaire responses were used to test the hypotheses of this study. We found that the integration and sharing of information between companies have a great influence on supply chain integration, which has positive effects on corporate performance at the operational and strategic levels, including finance, market share, and customer satisfaction. The integration of supply chains via information integration and sharing between companies can promote the flow of information, services, goods, and money. Therefore, if information is disconnected between actors in the supply chain, it will lead to negative effects on the management of the entire supply chain. On the other hand, if supply chain actors can share information efficiently in real time on one platform, they can expect to optimize the entire supply chain. Information sharing and integration at the strategic and operational levels play a vital role in supply chain integration, which contributes to achieving a company's performance targets and enhancing its competitiveness.

Phylogeny of the Polygonatum odoratum Complex Inferred from Multiple cpDNA and Nuclear RNApol2_i23 Sequence Data (Ruscaceae) (엽록체 DNA 및 핵 DNA RNApol2_i23에 근거한 둥굴레복합체 (Ruscaceae)의 계통 연구)

  • Park, Jeong-Mi;Chung, Kyong-Sook;Oh, Byoung-Un;Jang, Chang-gee
    • Korean Journal of Plant Taxonomy
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    • v.41 no.4
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    • pp.353-360
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    • 2011
  • The sequence data of the plastid DNA (trnL-F IGS, trnL intron, and trnH-psbA) and nuclear DNA (RNApol2_i23) markers were utilized to study phylogenetic relationships among the taxa in the Polygonatum odoratum complex (Ruscaceae). European P. odoratum individuals form a clade with a high bootstrap value, which is a sister to the clade of Korean P. odoratum var. odoratum, P. odoratum var. pluriflorum and P. robustum. The formation of the clade with P. odoratum var. odoratum, P. robustum, and one accession of P. odoratum var. pluriflorum indicates geological speciation in isolated populations in the islands following dispersal events from the mainlands. All data sets form two major clades, which are congruent with the subgroups divided by the basic chromosome numbers (x = 9 and x = 10). Although it is not easy to test the hypothesis of the decrease in the basic chromosome number due to scatter taxon sampling in this study, the molecular data strongly suggested that aneuploidy plays an important role in lineage diversification in the genus Polygonatum. The cytological data was not strongly supported by the cpDNA sequences. Further investigations of the cytological, morphological, and geographical characteristics with comprehensive sampling are desired to understand the evolution and lineage diversification in the genus.

The Effect of Work-Life Balance on Organizational Commitment and Organizational Citizenship Behavior: The Mediating Role of Psychological Safety (일과 생활의 균형(WLB)이 조직몰입 및 조직시민행동에 미치는 영향: 심리적 안정감의 매개효과)

  • Choi, Su-Heyong;Lee, Jung-Mi
    • Journal of Digital Convergence
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    • v.18 no.3
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    • pp.83-92
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    • 2020
  • The purpose of this study to investigate is as follows. First, this study examines the effects of WLB on organizational commitment and organizational citizenship behavior among domestic small and medium-sized company members. Second, this study examines the mediating effects of psychological safety on the WLB, and organizational commitment. Also, we will examine the mediating effects of psychological safety on the WLB, and organizational citizenship behavior. Third, the causal relationship between the dependent variables is verified. To test the hypothesis of this study, we analyze the statistics program using SPSS 25.0 and Macro Process. The results of this study through empirical research are as follows. First, WLB has a positive effect on organizational commitment and organizational citizenship behavior. Second, psychological safety was found to play a mediating role in the relationship between work-life balance and organizational commitment. Third, psychological safety was found to play a mediating role in the relationship between work-life balance and organizational citizenship behavior. Fourth, organizational commitment has a positive effect on organizational citizenship behavior.