• Journal of the Korean Society for Library and Information Science
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• v.49 no.2
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• pp.335-353
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• 2015

The purpose of this study is to analyze the middle-aged adults' mobile information behavior focused on their demographic characteristics. To achieve the aim of this study data were collected from 50 to 64 years old middle-aged adults who live in different size of cities and towns in Korea using self-designed questionnaire through online and offline survey. Gender, academic background, income level, size of residential zone, physical condition, and occupation were adopted as demographic characteristics, and type of mobile contents use, hour of mobile use, ability of mobile use, persistency of mobile use, and usability of mobile were used as the mobile information behavior in this study. Total of 191 valid data were analysed using SPSS Ver. 21. The results of this empirical study revealed that there exist a significant difference between some of their demographical characteristics (e.g., academic backgrounds, income level, and occupation) and mobile information behaviors particularly in their contents use.

• The Journal of Korean Association of Computer Education
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• v.12 no.1
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• pp.45-55
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• 2009

The purpose of this study was to examine the possibility of development of flow level and problem-solving ability by Using robots in the programming classes. For this purpose, a course has been developed which consists of (1) strategies to motivate students and to improve flow level (2) Creative Problem Solving (CPS) teaching model to improve their problem solving abilities. We experimented the course with 30 second-grade middle school students and we could observe that the robot programming learning considered gender differences helps improving their problem solving abilities and flow level. Specially, the group of the female student was greater improvement than the group of the male student on flow level.

• Proceedings of the Korea Society of Poultry Science Conference
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• 2003.11a
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• pp.111-112
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• 2003

스테비오사이드를 추출하고 폐기되는 스테비아 부산물의 사료적 가치를 구명하기 위하여 육계사료에 수준별로 급여하여 육계의 생산성, 혈중 콜레스테롤, 장내 미생물 및 계육의 지방산에 미치는 영향을 고찰하였다 사료내 영양소 함량은 사육 전기와 후기에 각각 CP 21.5 ％, ME 3,100 kca1/kg와 CP 19 ％, ME 3,100 kcal/kg 수준으로 급여하였다. 처리구는 스테비아 부산물 0, 2, 4, 8 ％ 수준으로 하였고, 처리구당 4반복, 반복당 16수로 총 256수를 공시하였다. 본 시험의 결과, 사육 전기 3주간의 증체량은 스테비아 부산물 8 ％ 급여구가 대조구에 비하여 유의적으로 감소하였으나 후기 2주간에는 차이가 없었다. 또한 전체 사육기간의 증체량에서도 스테비아 8 ％ 급여구는 대조구와 차이가 없었다. 총 사료섭취량과 사료요구율은 스테비아 부산물 급여구와 대조구 사이에서 차이가 없는 것으로 나타났다. 스테비아 부산물의 급여가 장내 미생물의 변화에 미치는 영향은 대조구와 유의적인 차이가 없었으나 맹장의 Salmonella, E coli는 감소하고 Lactobacillus 및 Yeast는 증가하는 경향을 보였다. 혈중 총 콜레스테롤, HDL 콜레스테롤, LDL 콜레스테롤 및 중성지방에서도 대조구와 차이가 없었다. 또한 스테비아 부산물을 급여하여 생산된 가슴육의 지방산 함량에서도 차이가 없었다.

• Proceedings of The KACE
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• 2017.08a
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• pp.171-174
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• 2017

본 연구는 초등학교에서 로봇 활용 SW 교육을 실시하고 사전 수준 및 성별에 따라 효과에 차이가 있는지 규명하고자 하였다. 이를 위해 경기도의 A 초등학교 5, 6학년 학생 155명을 대상으로 로봇 활용 SW 교육을 실시하였으며, 수집된 자료는 대응 표본 t 검정, 일원분산분석, 공분산분석을 통해 평균의 차이를 분석하였다. 연구 결과, 로봇 활용 SW 교육을 실시한 후 학생들의 컴퓨팅사고력과 창의성이 유의하게 향상되었으나, 컴퓨팅사고력 수준이 상 집단인 학생들은 유의한 향상을 나타내지 않았다. 또한 학생들의 컴퓨팅사고력은 성별의 차이가 없었으나, 창의성은 성별에 따른 차이가 유의한 것으로 나타났다. 본 연구는 사전 수준과 성별에 따른 로봇 활용 SW 교육의 효과를 규명하여 로봇 활용 SW 교육에 대한 이해를 확장시켰다는 점에서 연구의 의의가 있다.

• Korean Journal of Social Welfare Studies
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• v.42 no.2
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• pp.5-39
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• 2011

The objective of this study is to survey Social Participation of the Elderly's quality of life according to their activity levels and examine the differences by their gender and age. The subjects of this study were elderly aged 60 or older who are living in the metropolitan area and those reportedly participating in various social activities at the time of the survey. A total of 586 cases were used for the analysis. Data were analyzed through multi group analysis using a structural equation model, and AMOS 7.0 was used in statistical processing. The results of this study showed that, first, the quality of life was significantly and positively affected by flow experiences in economic participation, social fellowship participation, and self development participation. Second, the results of multi group analysis on the relations between the social participation level and the quality of life according to gender demonstrated that the there were gender differences on the full path model, and that there were significant differences in relationships between the volume of social fellowship participation and the quality of life between men and women. Third, a similar finding was found for the age group that the paths between flow experiences in economic participation and the quality of life significantly differed by age groups. Based on these findings, implications for theory and practice were discussed.

• The Korean Journal of Applied Statistics
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• v.24 no.2
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• pp.411-424
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• 2011

The studies of congruence in organizational research have explored the concepts such as person-job fit person-organization fit, or person-environment fit. The relevant studies dealt with the fit level as an important influencing factor on the performance. In particular, researchers have agreed that employees can be motivated by the high level fit of person-organization. However, few research developing an alternative methodological approach has been done. For the purpose mentioned above the statistics like D, |D| or $D^2$ and the Q values such as Q(the correlation between two sets of interval measures) or $Q_r$(the correlation between two rankings) have been conventionally adopted in spite of numerous methodological problems. In general, these traditional indices such as difference scores, or Q values, are nondirectional and add an extra weight to differences of lager magnitude. Therefore, Edwards (1993) introduced the polynomial regression and the response surface analysis to overcome flaws with conventional approaches. However, the method-ological approaches did not reflect the profile characteristics of person-organizational value fit and wouldn't be a proper solution for the fit level of person-organization value maximizing performance. Hence, this paper investigates alternative methodological approaches, the multivariate polynomial regression and the multiple response surface analysis, to avoid the problems issued from conventional ways.

• The Journal of the Korea institute of electronic communication sciences
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• v.9 no.6
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• pp.657-664
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• 2014

This study is targeted at users of social networks to investigate motives, motives based on information exchange, network density, and reliability of information, recognizing network. Result motivation is a social network analysis of information-seeking motivation, social influence motivation, entertainment motivation, motivation network formation, respectively. Network density is also information seeking motivations, social influence motivation, entertainment showed differences in motivation, information about the reliability of the difference between the difference was in all the motivational factors.

• Journal of the Korean Society of Food Science and Nutrition
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• v.42 no.1
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• pp.40-45
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• 2013

This study was designed to examine the effect of sea buckthorn (SBT) leaves on hepatic antioxidative enzyme levels in diabetic rats. Diabetes mellitus was induced in male Sprague-Dawley rats by an injection of streptozotocin (STZ). Sprague-Dawley rats were then fed for four weeks, with experimental groups receiving a modified diet containing 10% or 20% powder derived from SBT leaves. The experimental groups were divided into six groups: a normal (N)-control group, N-SBT 10% and N-SBT 20% treated groups, STZ-control, STZ-SBT 10% and STZ-SBT 20% treated groups. Malondialdehyde (MDA), superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GPX), glutathione reductase (GR), glutathione-S-transferase (GST) and xanthine oxidase (XOD) levels were measured in liver cytosol. The results showed that the level of SOD was significantly increased in the N-SBT 20% group but not statistically different in the diabetic group. The level of CAT was significantly higher in the N-SBT 20% group compared to the control group. The level of GPX was significantly increased in the N-SBT 20% group and the diabetic supplementary group. In contrast, the level of XOD was significantly decreased in the diabetic group supplemented with SBT leaves.

• Proceedings of the Korean Society for Food Science of Animal Resources Conference
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• 2004.10a
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• pp.178-182
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• 2004

본 연구는 사료 내 라이신 수준과 성별이 재래흑돼지육의 냉장기간동안 육질에 미치는 영향을 구명하고자 실시하였다. pH는 저장 5일까지 감소하였으나 7일째에 증가하였다. 그리고 high 처리구에서 가장 높게 나타났으며, high, medium 처리구의 거세돈과 low 처리구의 미경산돈에서 높게 나타났다. 드립감량과 가열감량은 저장기간동안 감소하였으나 라이신 수준과 성별에 따른 차이를 나타내지 않았다. 라이신 수준이 낮을수록 적색도와 황색도 모두 높게 나타났으나 성별에 따른 차이는 나타나지 않았다. 경도와 점착성은 감소했고, 거세돈육의 경도와 점착성이 미경산돈육보다 낮았지만 라이신 수준에 따른 차이는 없었다.

• Journal of Korean society of Dental Hygiene
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• v.7 no.2
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• pp.115-122
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• 2007

이 연구는 보건계열 학과에 재학 중인 학생들의 윤리교육 경험과 윤리교육 필요성인지에 따른 윤리지식수준의 차이를 살펴보고자, 보건계열 학과에 재학 중인 596명을 대상으로 자기기입법에 의한 설문조사법으로 2005년 4월 한달 동안 실시하였다. 연구에 사용된 연구도구로 독립변수는 의료 윤리 교육경험, 전문윤리 교육경험, 직업윤리 교육경험, 임상실습 경험, 전문윤리 교육 필요성 인지, 의료윤리 교육 필요성 인지이었고, 종속변수는 면허관련법규 지식수준, 전문윤리 지식수준, 의사결정판단 지식수준, 팀웍 지식수준이었다. 수집된 자료를 SPSS 12.0을 사용하여 기술통계와 t-test를 실시한 결과, 임상실습경험 직업윤리 교육경험 의료윤리 교육경험, 전문윤리 교육경험, 전문윤리 교육 필요성 인지에 따라 유의한 차이가 있었으며, 이 중 직업윤리 교육경험에 따라서는 4가지 윤리지식수준에서 유의한 차이가 있는 것으로 나타났다. 따라서 정상적으로 학교에서의 윤리교육이 이루어져야 하고, 일반 윤리교육에 비해서 직업 윤리교육이 강화되어야 한다고 사료되었다.