• The Journal of the Acoustical Society of Korea
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• 제29권1E호
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• pp.28-37
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• 2010

This article reviews recent developments in the emerging field of cellular-level biomedical ultrasonics with the specific focus on the mechanics of ultrasound-cell interaction. Due to the nature of the field at its relative infancy, the review poses more questions than it provides answers. Discussed are topics such as the basic structure of a biological cell, the origin of cell's elasticity, a theoretical framework for ultrasound-cell interaction, and shape deformation of cells and its measurement, Some interesting problems for future study are proposed.

• 산업경영시스템학회지
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• 제10권16호
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• pp.81-88
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• 1987

This article develops to determine and to allocate the two level factors at the table of orthogonal arrays. The column numbers of two factors and two-factor interaction can be determined in applying the bit-by-bit EX-OR operation. The assignment of the Two factors and Two factor interaction is attained by USING COMPUTER, IBM PC/AT applying algorithm of EX-OR operation Theory.

• 한국생활과학회지
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• 제23권6호
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• pp.1127-1140
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• 2014

The purpose of this study was to explore the effects of father's socio-demographic variables and father's literacy beliefs on father's literacy interaction. Participants were 204 fathers who have children in 3 to 5 years of age. Data were analyzed by descriptive statistics, correlation analysis and stepwise multiple regression analysis. The findings are summarized as follows: (1) Father's education level was generally correlated with 'father role efficiency', 'open interaction', 'picture-book reading interaction' (2) Monthly income of the household was related 'father role efficiency', 'positive feelings on reading books'. (3) 'Literacy ability development from books', 'father role efficiency', 'positive feeling on reading books' were correlated 'open interaction' and 'picture book reading'. But, 'literacy ability development from books', 'father role efficiency', 'positive feeling on reading books' were negatively correlated 'direct interaction'. (4) The most influential factor on father's 'open interaction', 'direct interaction' was 'literacy ability development from books'. The most influential factor on father's 'picture-book reading' was 'positive feeling on reading books'. These findings highlight that 'literacy ability development from books' and 'positive feeling on reading books' may play critical roles in father's literacy interaction. So, it is very important that adequate training and support on father's literacy beliefs for father's high quality literacy interaction.

• Asia Marketing Journal
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• 제17권2호
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• pp.73-96
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• 2015

This paper investigates how servicescape perception influences customer experience quality in hedonic service settings. In addition to the direct effect of servicescape quality on customer experience quality, the indirect effects of servicescape quality on customer experience quality via employee-to-customer interaction quality and peer-to-peer interaction quality are also investigated. We collected data through a self-administered survey. The proposed relationships were tested using structural equation modeling. The results show that servicescape quality influences customer experience quality both directly and indirectly through employee-to-customer interaction quality and peer-to-peer interaction quality, and customer experience quality influences customer loyalty. Additionally, we find that the indirect path via peer-to-peer interaction quality is significant only in a low-satisfaction customer group. The indirect effect of servicescape quality perception through peer-to-peer interaction quality is significant only in low-satisfaction customer groups. Therefore, if evaluations for this indirect effect fall below an acceptable level, it should be addressed first before improving on other attributes. However, after this point, further improvements offer few if any gains; therefore, service firms should allocate their resources to quality improvements to other factors. This study is the first to investigate the indirect effects of servicescape quality on customer experience quality via peer-to-peer interaction quality in hedonic service settings. Additionally, this study demonstrates that the significance of this indirect effect applies only to a low-satisfaction customer group.

• 한국과학교육학회지
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• 제22권4호
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• pp.757-767
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• 2002

사회적 상호작용을 강조한 과학탐구실험이 학생들의 학업성취와 과학탐구능력 및 학습동기에 미치는 효과에 대해 연구하였으며, 탐구실험 수업이 소집단의 구성방식에 따라 어떠한 차이를 나타내는지 알아보기 위해 인지수준이 동질인 집단과 이질인 집단의 효과를 비교하였다. 이를 위해 중학교 2학년 255명을 통제집단과 실험집단으로 나누어, 실험집단에는 사회적 상호작용을 강조한 과학탐구실험 수업을, 통제집단에는 전통적인 실험 수업을 1년간 적용한 후 과학 학업성취도, 과학탐구능력, 학습동기 검사를 실시하였다. 사회적 상호작용을 강조한 탐구실험은 이끌어내기, 친숙해지기, 구성하기, 확장하기의 4단계로 구성되어 있으며, 관찰 현상을 학습과 연관시키고 실험을 설계하며 결론을 이끌어내는 과정을 통해 동료 및 교사와 상호작용을 할 수 있도록 구성되어 있다. 연구 결과 사회적 상호작용을 강조한 과학탐구실험은 학생들의 학업성취와 과학탐구능력 및 학습동기에서 유의미한 효과가 있었다. 모든 인지수준의 학생들에게 효과가 나타난 것은 아니었으나 대부분의 인지 수준에서 학업성취의 효과가 크게 나타났으며, 학업성취에 비해 과학탐구능력의 향상정도가 낮았다. 소집단 구성에 따른 효과에서는 동질집단이 이질집단에 비해 성취도와 학습동기에서 유의미한 향상이 있었다. 이러한 결과는 과학탐구실험에서 상호작용이 중요하며, 상호작용이 학생들의 성취도와 탐구능력 향상에 긍정적 영향이 있음을 시사한다.

• 한국과학교육학회지
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• 제22권3호
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• pp.660-670
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• 2002

이 연구에서는 사회적 상호작용을 강조한 과학 탐구실험을 실시하여 학생-학생 상호작용의 유형을 분류하고, 인지수준에 따른 모둠별 상호작용 양상을 분석하였다. 이를 위해 인지수준이 이질적인 모둠과 동질적인 모둠을 각각 2모둠씩 선정하여 활동지를 해결하는 과정을 녹음, 녹화하였다. 학생들의 상호작용 유형을 크게 인지적 측면과 정의적 측면으로 나누어 인지적 측면은 "질문", "응답", "의견제시", "의견 받기"로 구분하여 각 범주를 상호작용의 질적 수준에 따라 세분하였다. 정의적인 측면은 "활동참여도", "분위기관련", "의견에 대한 반응"으로 나누었다. 동질, 이질 모둠의 인지적, 정의적 상호작용의 빈돌르 비교하여 상호작용 양상을 분석한 결과 인지적 측면에서는 동질 모둠이 이질 모둠에 비해 상호작용의 빈도가 더 높았고 상호작용의 질적 수준도 더 높은 것으로 나타났다. 정의적 측면에서는 교사 의존도나 모둠에 대한 불만 등 동질 모둠에서 부정적인 태도를 더 많이 보였으나, 동료의 의견에 '수용'과 '반대'를 표현하는 빈도는 동질 모둠이 더 많아 자신의 의견을 말할 수 었는 토론분위기가 이루어졌음을 알 수 있었다.

• Asian-Australasian Journal of Animal Sciences
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• 제5권1호
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• pp.129-138
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• 1992

The effects of dietary levels of lysine and energy on growth performance, the content of DNA, RNA and protein in liver, thigh muscle composition and nutrient utilization in broiler chicks were investigated in an experiment involvies with 2 levels of dietary energy : 3,200 (2900) 2,900 (2700) kcal ME/kg) and 6 levels of lysine : 0.6(0.5), 0.8(0.7), 1.0(0.9), 1.2(1.1), 1.4(1.3), and 1.6(1.5)% was carried out. A total number of 384 male broiler chicks was used for a period of 7 weeks. Body weight gain of 1.0(0.9)% lysine level group was significantly (p < 0.01) higher than that of any other groups. Interaction between lysine and energy in the feed intake was observed (p < 0.05). Present data indicate that the content of DNA in liver tissues was significantly (p < 0.05) different by the levels of lysine, namely, 1.0(0.9)% or 1.2(1.1)% lysine level groups showed higher content than other groups (p < 0.01). Dietary levels of 1.2(1.1)% or 1.6(1.5)% lysine groups showed the highest protein content in thigh muscle tissues than that of any other groups (p < 0.05). Interaction between energy and lysine in the content of protein of thigh muscle tissues was shown (p < 0.01). The level of 0.6% lysine group showed the highest fat content in thigh muscle tissues than any other groups. Interaction between lysine and energy in the content of crude ash and crude fat of thigh muscle tissues was observed (p < 0.01). Apparent amino acid availability of arginine, glycine and threonine (p < 0.01), phenylalanine (p < 0.05) were significantly affected by the levels of lysine and interaction between lysine and energy was found only in arginine (p < 0.01).

• 교육시설 논문지
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• 제22권5호
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• pp.3-10
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• 2015

College students living in university dormitory continuously experience unique physical and social living conditions, being away from their hometown and loving families. Most college students has engaged in a very limited social activities in dormitory area. Studies have shown that sense of community(SOC) is closely related to students' social activities. However, few research have examined the relationship between physical environment and sense of community. Therefore, this research aims to evaluate the effects of physical environment of dormitory on students' perceived sense of community and their social interaction. Extensive literature review found that developing social interaction and building a sense of student community improve students' overall residential satisfaction with dormitory and personal academic growth. Survey on A university dormitory and Chi square analysis (${\chi}^2$) indicated that each group's individual characteristics such as gender, grade, living period, and personality were statistically significant on the level of SOC at the level of p=.01. Individual analysis of SOC showed that sense of belonging was higher than shared emotional connection, which means certain level of intervention is needed. Pearson correlation analysis validated that there exists statistically significant relationship between physical environment and SOC. Further it also found that the most important predictor in facilitating social interaction were comfortable, quiet, and enough social space around the dormitory.

• 대한가정학회지
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• 제40권4호
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• pp.179-200
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• 2002

The purposes of this study are as follows: (1) how are marital relationships classified by wives' perception of marital conflict and intimacy? (2) how do these types differ in terms of demographic variables (age, income, educational level, and employment status), individual psychological variables (self-esteem, differentiation) and interaction-related variables (affective self-disclosure, conflict resolution styles)?, and what are the relative discriminant powers of these variables in explaining marriage types? The data for this study were collected from 944 married women in Dajeon, who had one or more children, using the structured questionnaire. Classification using median and discriminant analysis were used with SPSS-PC for windows program. The major findings are as follows: The characteristics of each type are as follows: (1) The 'devitalized couples' consist of 18.2% of the whole sample. The levels of positive self-concept and positive interaction are the lowest. (2) The 'intimate couples' consist of 32.6% of the sample. They tend to be found most frequently in the population which is high in the educational level and income level and low in age. While the levels of positive self-concept and positive interaction are the highest, the levels of negative conflict resolution styles are the lowest. (3) The 'intimacy-persuaded couples' take 17.3% of the sample. The levels of positive self-concept and interaction are similar to the 'intimate couples'. (4) The 'conflict-habituated couples' take 31.9% of the sample. Whereas the levels of negative conflict resolution styles are the highest, the levels of positive self-concept and positive interaction are the lowest. The results of this study suggest several implications for the family-life education. It needs to apply different approaches to improve marital quality for each type of marriage.

• 한국생활과학회지
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• 제15권1호
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• pp.1-15
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• 2006

The purpose of this study is (1) to investigate how children's peer interaction type and joint problem-solving performance differ, depending on a partner's age, in such a situation as they are asked to solve problems with their peer and (2) to investigate relationship between children's peer interaction type and joint problem-solving performance. Results reveal that children's problem-solving performance receives more benefit in the interactions with older peers, rather than those with younger ones. It can also be improved by higher level of collaborative interactions such as abstract collaborative explanations in joint activities. It is influenced positively by collaborative interactions, expecially when the children are in the same age groups. Results here were discussed in terns Piagetian and Vygotskian theories.