Asia-Pacific Journal of Business Venturing and Entrepreneurship
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v.14
no.3
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pp.47-58
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2019
The present study investigates the relationship between social competence and economic performance in social enterprises. Social enterprises simultaneously pursue social value creation and economic value creation, two of which are not easily compatible each other. This study explores the conditions under which these two values can synergize with each other and thereby, positively affect each other's performance. In particular, I examine how two important social competences, that is, social identity and social alliance, influence economic performance of social enterprises. Using the secondary data on social enterprises from Korea Social Enterprise Promotion Agency, I run OLS regression analyses to test hypotheses. I find that investment on social value creation, only when it aligns with social identity, has a statistically significant and positive relationship with economic performance of social enterprises. Further, the study finds evidence that social alliance in and of itself does not affect economic performance of social enterprises. However, social alliance does have a positive influence on social enterprises' economic performance, only when taking into account social alliance partners' organizational attributes and a focal social enterprise's degree of readiness to absorb expected gains from social alliance altogether. The present study improves our understanding on social entrepreneurship research by suggesting how social enterprises can enhance two seemingly incompatible values in a simultaneous manner. I also discuss potentially fruitful future research agenda based on the present paper's findings.
Although smallpox was eradicated in 1980, it is still considered a potential agent of biowarfare and bioterrorism. Smallpox has the potential for high mortality rates along with a major public health impact, eventually causing public panic and social disruption. Passive administration of neutralizing monoclonal antibodies (mAbs) is an effective intervention for various adverse reactions caused by vaccination and the unpredictable nature of emerging and bioterrorist-related infections. Currently, vaccinia immune globulin (VIG) is manufactured from vaccinia vaccine-boosted plasma; however, this production method is not ideal because of its limited availability, low specific activity, and risk of contamination with blood-borne infectious agents. To overcome the limitations of VIG production from human plasma, we isolated two human single-chain variable fragments (scFvs), (SC34 and SC212), bound to vaccinia virus (VACV), from a scFv phage library constructed from the B cells of VACV vaccine-boosted volunteers. The scFvs were converted to human IgG1 (VC34 and VC212). These two anti-VACV mAbs were produced in Chinese Hamster Ovary (CHO) DG44 cells. The binding affinities of VC34 and VC212 were estimated by competition ELISA to $IC_{50}$ values of $2{\mu}g/ml$ (13.33 nM) and $22{\mu}g/ml$ (146.67 nM), respectively. Only the VC212 mAb was proven to neutralize the VACV, as evidenced by the plaque reduction neutralization test (PRNT) result with a $PRNT_{50}$ of ~0.16 mg/ml (${\sim}1.07{\mu}M$). This VC212 could serve as a valuable starting material for further development of VACV-neutralizing human immunoglobulin for a prophylactic measure against post-vaccination complications and for post-exposure treatment against smallpox.
This study aims to explore the longitudinal reciprocal relationship between family conflict and depression level of household head. Using the Korean Welfare Panel study (KOWEPS) of 2006-2009, the study applied multiple regression analysis and autoregressive cross-lagged model to test the hypothesis. Results of multiple regression analysis indicate that single direction of the impact of family conflict on a head of household's levels of depression and the vise versa were statistically significant. That is, higher level of family conflict in 2006 caused an increased levels of depression of household head in 2009, controlling gender, age and depression level in 2006. Also, the higher level of depression of household head in 2006 increased the level of family conflict in 2009 fixed with same control variables. The autoregressive and cross-lagged coefficients of family conflict and a head of household's levels of depression were statistically significant during the 4 years. The findings support the family system theory, indicating that there are reciprocal causal relationships between the whole family conflict and individual depression level. The strategies of social welfare practice and policy should thus aim to decrease individual's levels of depression and improve positive family function simultaneously to break the vicious circle.
Journal of the Korea Academia-Industrial cooperation Society
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v.20
no.3
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pp.544-552
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2019
The purpose of this study was to find concrete measures to improve the subjective health level, happiness and quality of life of the elderly according to economic level and to propose social and policy alternatives accordingly. As a research method, 63,929 elderly people aged 65 or older were surveyed using the Community Health Survey (Indicator Bank) _v09, and the frequency of health use by economic level, subjective health level, euphoria and quality of life Analysis and Chi square analysis and independent t-test. Multi variate logistic regression analysis was performed with subjective health level as a dependent variable and multiple linear regression analysis was performed to determine the factors affecting euphoria and quality of life. The results of the study are as follows. In the case of recipients, medical use was lower than that of non-recipients, lower education level, female age of 75 years or older, and less stress, In case of present or past recipients, the result of non - receipt increased as the subjective health level was worse, and the non - recipient had higher euphoria and quality of life. As a result, there is a need for alternatives to increase opportunities for medical use among the recipients, with particular attention being paid to women and elderly people over 75 years old. It is expected to be used as a basic data to effectively improve the health promotion, happiness and quality of life of the elderly people of low income group.
The objective of this study is to examine whether there are differences in participation in social activities and the effects of social activity types on the levels of happiness of the Korean older adults by age groups. The 5th wave(2014) of the Korean Longitudinal Study of Ageing (KLoSA) was used and a total of 3,273 elderly were selected from the 5th wave, who were 65 years old and older and who were not living with their offsprings. Chi-square test, ANOVA, and hierarchical multiple regression analysis were used. The rate of participation in economic activities declined with age and the levels of participation in leisure activities was higher in the young-old group in comparison to the middle- and the oldest- old groups. The levels of participation in family activities was higher in the middle- and the oldest-old groups in comparison to the young-old group. Socializing activities and religious activities measured by the frequencies of activities were not significantly different among the age groups. The results of a regression analysis of social activity types and their effects on happiness by age groups are the followings: 1) Leisure, socializing, religious, and family activities all (with the exception of economic activities) significantly affected the level of happiness of older persons in the young-old group. 2) However, only socializing and family activities in the middle-old age group, and only family activities in oldest-old group, had a statistically significant impact on the levels of happiness. These results support that the rates of participation in the five types of social activities and their effects on the levels of happiness were different by age groups. The implication of this study was to report that needs and the interests of older individuals are different by age groups based on empirical evidences.
Preservice teachers should learn the knowledge and skill necessary to meet intellectual, social and personal needs of students with culturally diverse background. Thus this study was to examine preservice teachers' attitudes and perception about multicultural education. The participants of the study comprised of 297 preservice teachers who were in the teacher preparation course. The questionnaire items consisted of 36 statements. The data were analyzed by factor analysis, correlation and t, F test. The results are as follows. First, on the basis of above, with respect to the reliability data, it is apparent that preservice teacher survey is adequate1y reliable. Second, needs of multicultural education and attitudes about cultural diversity of preservice teachers showed the positive correlation. Third, personal attitudes of preservice teachers about multicultural diversity were generally positive. Fourth, preservice teachers' expectation about the adequacy of curriculum in teacher preparation was low in compared with other factors. Attitudes about cultural diversity and attitudes preventing multicultural education showed the negative correlation. Based on this results, multicultural education should be reflected in the curriculum to meet diverse needs of preservice teachers. And teachers' attitudes and beliefs have an impact on their behaviors in the classroom, teachers preparation program for changes of their attitudes and beliefs should be developed.
Journal of the Korea institute for structural maintenance and inspection
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v.23
no.2
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pp.1-9
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2019
GGBFS(Ground Granulated Blast Furnace Slag), one of the representative concrete mineral admixtures, improves the long-term durability and engineering performance of concrete by latent hydraulic activity. In this study, considering 3 levels of W/B(0.37, 0.42, 0.47) and GGBFS replacement ratio(0 %, 30 %, 50 %), durability performances for chloride attack are evaluated, and equations which predict behavior of accelerated chloride diffusion are proposed. Also, the relationship between accelerated chloride diffusion coefficient and passed charge is evaluated. In target curing day, accelerated chloride diffusion tests(Tang's method, ASTM C 1202) and compressive strength(KS F 2405) are performed. In the 730 day's results of accelerated chloride diffusion coefficient, GGBFS concrete has up to 28 % of decreasing ratio compared to OPC concrete, and in those of passed charge, GGBFS concrete has up to 29 % of decreasing ratio compared to OPC concrete. Also, it is deemed that the impact of variation of W/B is less in GGBFS concrete than in OPC concrete. The equations which predict accelerated chloride diffusion coefficient and passed charge are drawn, based on the characteristics of mixture and test results. The equation which predicts passed charge shows slightly higher coefficient of determination than that which predicts accelerated chloride diffusion coefficient.
Journal of the Korea Academia-Industrial cooperation Society
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v.20
no.4
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pp.648-655
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2019
This paper proposes the differential development of a Taekwondo electronic body protector. For this development, the most suitable sensor system was selected after analyzing and testing various sensor methods (magnetic sensors, electric capacity sensors, contact switch sensors, and piezo-film sensors) that could be applied in the electronic body protector, the selected sensors were distributed to the body and feet to make a more precise hit score, unlike the existing system in which all sensors are centralized on the body. Furthermore, it aims to illuminate using a lightweight film-type piezoelectric sensor on the body protector. In the case of an existing electronic body protector, all sensors and network device were concentrated on the body protector, so users need to purchase a set if they want it. On the other hand, the proposed system cloud can be used individually using a smart scoring WEP program. The effects of decreasing weight by up to 20% were compared with those of the existing system. Setting up a test facility is very difficult, so more study will be needed to analyze the effects of a hit.
A laboratory test on uniaxial compressive strength was carried out by making 640 specimens in total, which were divided into two groups by their curing time of 7 and 28 days for 3 water content conditions of a water content at 100% saturation level and 10% and 20% increased water content from the state with clay, sand and gravel mixed grounds of 20 ground conditions of 4 types of stabilizer mixing conditions which were 8%, 10%, 12%, 14%, to understand laboratory strength characteristics for strength design of deep mixing ground. In case of clayey grounds, although the strength increased depending on the increase of stabilizer content, it showed to be analogous regardless of the curing time. And the impact on the strength development of deep mixing specimen according to water content was considered to be comparatively little compared to other grounds. For sandy grounds, the strength increment amount clearly showed to increase as stabilizer content increased, and also the increase of water content was determined to be decreasing the strength increment effect. For gravel mixed grounds, at 14% or over of stabilizer content, the effect on strength development was big making a large increase in strength, but compared to sandy grounds, the strength ratio depending on the curing time showed to be small.
Journal of the Korea Academia-Industrial cooperation Society
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v.20
no.7
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pp.68-77
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2019
The purpose of this study was to determine the relevance and different factors having an impact on sexual assertiveness and sex stereotypes for the attitude among nursing students toward homosexuality. A survey was conducted on 253 nursing students in D city using a self-report questionnaire. The data was collected from April 11 to April 20, 2019 and it was then analyzed by descriptive statistics, t-tests, ANOVA, Pearson's correlations and multiple regression using SPSS 22.0. The average of sexual assertiveness in the nursing students was $4.44{\pm}0.37$, and the average of sex stereotypes was $2.08{\pm}0.58$, and the average of attitude toward homosexuality was $2.75{\pm}0.37$. The attitude toward homosexuality according to the general characteristics differed among religions (F=13.32, p<.000), religious life (F=20.43, p<.000) and method of parenting (F=2.74, p<.044). There was a statistically significant negative correlation between sexual assertiveness and the attitude toward homosexuality (r=-0.13, p=.034). Also, there was a statistically significant positive correlation between sex stereotypes and the attitude toward homosexuality (r=0.24, p<.000). Religion, religious life and sex stereotypes were the influential factors. Models that included the variables explained 23.1% of the variance for the attitude toward homosexuality. Thus, it is necessary to create an interventional strategy related to nursing student' attitude towards homosexuality so as to develop a practical educational program for promoting healthy gender identity.
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