• 디지털융복합연구
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• 제16권10호
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• pp.323-332
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• 2018

본 연구는 자기성장집단상담프로그램을 실시하여 여중생의 자아존중감과 학교생활적응에 미치는 효과를 규명하는데 목적을 두었다. 이를 위하여 자료수집은 G도, K시에 소재한 여자중학교 1학년 24명을 대상으로 2017년 10월 19일부터 12월 28일 까지 진행하였다. 연구도구는 자아존중감, 학교생활적응 척도를 사용하였으며, 자료분석은 실수와 백분율, 평균 및 표준편차, t검증을 이용하였다. 주요 연구결과는 다음과 같다. 자기성장집단상담프로그램이 자아존중감에 미치는 효과는 프로그램 사후에 실험집단이 통제집단보다 높게 유의한 차이(p<.01)가 나타났으며, 학교생활적응에 미치는 효과는 교사관계와 학교수업에서 프로그램 사후에 실험집단이 통제집단보다 높게 유의한 차이(p<.05)를 보였다. 이러한 결과는 자기성장 집단상담프로그램을 통해 여중생의 자아존중감과 학교생활적응의 향상을 보이므로 자기성장집단상담프로그램의 과학적 근거를 제시하는 의미가 있다고 시사된다. 추후 다양한 청소년을 대상으로 한 자기성장집단상담프로그램의 개발 연구의 필요성을 제언한다.

• 대한가정학회지
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• 제33권3호
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• pp.85-99
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• 1995

The major purpose of this research was to investigate the causal relationships among working wives' work-family conflict, socialization of housework, and home management satisfaction. the double ABCX model of family stress and adaptation provided the theoretical framework for this study. the data were recruited from working wives who had more than one pre-school child. The respondents were asked to complete the self-administered questionnaires, and the responses of 536 working wives were used for the final analysis. basically Cronbach's α to the reliability of major variables, frequencies, percentages, means, standard deviation, pearson's correlation coefficients, and LISREL 7 program were performed to test the research model. The results of this study can be summarized as follows : 1. The frequency of work-family conflict was affected by the flexibility of work time and wives' income. 2. The severity of wok-family conflict was directly influenced by the frequency of the conflict, the flexibility of work-time, and wives' education level. 3. The variables influencing the degree of socialization of housework were found to be the frequency and the severity of work-family conflict, wives' education, and the degree of husband's participation in housework. 4. The higher degree of home management satisfaction was associated with the higher level of family member's health status, the greater degree of the flexibility of work-time, and the greater degree of husband's participation in household labor.

• Interdisciplinary Bio Central
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• 제6권1호
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• pp.1.1-1.6
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• 2014

A growing body of evidence shows that most psychological traits are polygenic, that is they involve the action of many genes with small effects. However, the study of selection has disproportionately been on one or a few genes and their associated sweep signals (rapid and large changes in frequency). If our goal is to study the evolution of psychological variables, such as intelligence, we need a model that explains the evolution of phenotypes governed by many common genetic variants. This study illustrates simple statistical tools to detect signals of recent polygenic selection: a) ANOVA can be used to reveal significant deviation from random distribution of allele frequencies across racial groups. b) Principal component analysis can be used as a tool for finding a factor that represents the strength of recent selection on a phenotype and the underlying genetic variation. c) Method of correlated vectors: the correlation between genetic frequencies and the average phenotypes of different populations is computed; then, the resulting correlation coefficients are correlated with the corresponding alleles' genome-wide significance. This provides a measure of how selection acted on genes with higher signal to noise ratio. Another related test is that alleles with large frequency differences between populations should have a higher genome-wide significance value than alleles with small frequency differences. This paper fruitfully employs these tools and shows that common genetic variants exhibit subtle frequency shifts and that these shifts predict phenotypic differences across populations.

• 디지털정책학회지
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• 제2권3호
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• pp.17-24
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• 2023

본 연구는 응급구조학과 학생들의 자기가치감과 대학생활적응의 정도를 파악하고, 종교의 유무와 가족구성원의 친밀도에 따라 차이가 있는지를 분석하였다. 대학교에 재학 중인 응급구조학과 학생들을 183명을 대상으로 온라인 설문을 실시하였으며, 대상자의 성별, 종교의 유무, 가족구성원과의 친밀도는 빈도와 백분율로 분석하였다. 종교의 유무 및 가족구성원과의 친밀도에 따른 자기가치감과 대학생활적응은 평균, 표준편차와 t-test와 ANOVA로 분석하였다. 연구 결과, 종교의 유무 및 가족구성원과의 친밀도에 따라 자기가치감에 차이가 있었으며, 가족구성원과의 친밀도에 따라 대학생활적응의 하위요인 중 학업적응에 유의한 차이가 있는 것으로 나타났다. 본 연구의 결과를 통해 개인의 자기가치감 향상과 대학생활적응 요인에 맞도록 상담전략을 세우는 데에 있어 종교의 유무와 가족구성원과의 친밀도를 고려할 필요가 있으며, 자기가치감 향상을 위한 다양한 대학생활적응 증진 프로그램을 개발해 응급구조학과 학생들에게 적용하고 그 효과를 검증할 것을 제언한다.

• 치위생과학회지
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• 제15권5호
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• pp.536-541
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• 2015

본 연구에서는 CAD/CAM 시스템을 이용하여 제작한 코발트-크롬 주조 금속 코핑과 코발트-크롬 소결 금속 코핑의 변연 및 내면 적합도를 비교 평가하여 다음과 같은 결론을 도출하였다. 코발트-크롬 금속 코핑의 변연 및 내면 적합도를 비교 평가는 기존의 주조방식인 CCM 그룹보다 소결과정만으로 제작한 CSM 그룹이 전반적으로 모두 우수하였다. 또한 CSM 그룹의 변연 적합도는 임상적으로 허용할 수 범위인 $120{\mu}m$ 이내 존재하였다는 결과를 통해서 그동안 매몰, 소환, 주조인 복잡한 과정을 거치면서 보철물의 오차가 발생 하였으나 소결과정만으로 공정 과정의 오차를 줄임으로써 완성도 높은 코발트-크롬 금속 코핑 제작이 가능하다고 생각된다.

• 디지털융복합연구
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• 제18권9호
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• pp.285-295
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• 2020

본 연구는 대학생의 대학차원스트레스의 영향요인을 파악하여 대학차원스트레스 감소를 위한 교육프로그램을 마련하고자 시도되었다. G도 대학생 169명을 대상으로 2020년 6월 15일부터 7월 15일까지 자료수집하였다. IBM SPSS 21.0으로 빈도와 백분율, 평균, 표준편차, t-test, ANOVA, Pearson correlation coefficient, Multiple regression로 분석하였다. 대학차원스트레스는 생활사건발생, 생활사건중요도, 대인감정, 자기통제력과 양의 상관관계가 있었다. 대상자의 대학차원스트레스에 가장 영향을 미치는 요인은 심리적강인성(β=-.323, p<.001)이었고, 그 다음으로 동아리활동(β=.237, p<.001), 대인갈등(β=.215, p=.001), 학년-2(β=-.203, p=.001), 학과적응(β=.161, p=.010), 연령-21세(β=-.149, p=.024)순이었다. 모형에 대한 설명력은 44.4%이었다(F=42.43, p<.001). 본 연구의 결과가 대학차원에서 스트레스 감소를 위한 교육프로그램 개발에 기초자료로 활용되어 질 것으로 기대한다. 또한 대학차원스트레스 감소를 위해서는 심리적강인성과 학과적응을 도모할 수 있는 교육프로그램 마련이 필요하며, 연령과 학년을 고려하고, 지지체계인 동아리활동을 활용한 맞춤형 교육이 요구된다.

• Asian-Australasian Journal of Animal Sciences
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• 제30권2호
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• pp.267-274
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• 2017

Objective: The objective of this study was to investigate the effect of 20-day litter weight on behavior and heart rate variability (HRV) of piglets under stress. Methods: Forty four original litters were categorized as high litter weight (HW) litters (n = 22) and low litter weight (LW) litters (n = 22) by 20-day litter weight. From each original HW litter, three males and three females were randomly selected after weaning and the 12 piglets from two original litters with similar age of days were regrouped into one new high litter weight (NHW) litter (11 NHW litters in total). The original LW litters were treated with a same program, so that there were 11 new low litter weight (NLW) litters as well. The latencies to first fighting, fighting frequencies and duration within three hours were recorded after regrouping and the lesions on body surface within 48 hours were scored. Besides, HR (heart rate, bpm, beats per minute) and activity count (ACT), time domain indexes and frequency domain indexes of the piglets were measured in an isolation trial to analyze the discrepancy in coping with stress between the original HW and LW litters. Results: The results exhibited that piglets from the HW litters launched fighting sooner and got statistically higher skin lesion score than those from the LW litters (p = 0.03 and 0.02, respectively). Regarding the HRV detection, compared with the HW litters, the LW litters exhibited a lower mean HR (p<0.05). In the isolation test, a highly significant higher ACT value was observed between the HW litters, compared to the LW litters (p<0.01). Significant differences were observed in standard deviation of R-R intervals, standard deviation of all normal to normal intervals, and most frequency-domain indicators: very low-frequency, low-frequency, and high frequency between the HW and LW litters as well. The difference in LF:HF was not significant (p = 0.779). Conclusion: This study suggests that compared with litters of low 20-day litter weights, litters with higher 20-day litter weight take more positive strategies to cope with stress and have stronger HRV regulation capacity; HW litters demonstrate better anti-stress and adaptation capacity in the case of regrouping and isolation.

• Asian-Australasian Journal of Animal Sciences
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• 제28권7호
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• pp.1014-1019
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• 2015

The purpose of this study was to determine the effect of ${\beta}$-mannanase supplementation on digestible energy (DE) and metabolizable energy (ME) contents of copra expellers (CE) and palm kernel expellers (PKE) fed to pigs. Six barrows with an initial body weight of 38.0 kg (standard deviation = 1.5) were randomly allotted to a $6{\times}6$ Latin square design with 6 dietary treatments and 6 periods. Six experimental diets were prepared in a $3{\times}2$ factorial treatment arrangement with 3 diets of a corn-soybean meal-based diet, a CE 30% diet, and a PKE 30% diet and with 2 concentrations of supplemental ${\beta}$-mannanase at 0 or 2,400 U/kg. All diets had the same proportion of corn:soybean meal ratio at 2.88:1. The marker-to-marker procedure was used for fecal and urine collection with 4-d adaptation and 5-d collection periods. No interactive effects were observed between diet and ${\beta}$-mannanase on energy digestibility and DE and ME contents of experimental diets. However, diets containing CE or PKE had less (p<0.05) DE and ME contents compared with the corn-soybean meal-based diet. The DE and ME contents in CE and PKE were not affected by supplemental ${\beta}$-mannanase. Taken together, we failed to find the effect of ${\beta}$-mannanase supplementation on energy utilization in CE and PKE fed to pigs.

• Asian-Australasian Journal of Animal Sciences
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• 제32권11호
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• pp.1745-1752
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• 2019

Objective: The objective was to determine standardized ileal digestibility (SID) of amino acids (AA) in 11 plant protein sources fed to growing pigs. Methods: Eleven feed ingredients used were sesame meal, two sources of soybean meal (SBM) produced in the Republic of Korea, a source of SBM produced in India, high-protein distillers dried grains (HPDDG), perilla meal, canola meal, copra meal, corn germ meal, palm kernel expeller, and tapioca distillers dried grains (TDDG). Experimental diets were prepared to contain each test ingredient as a sole source of AA, and a nitrogen-free diet was also prepared to estimate the basal ileal endogenous losses of AA. Twelve barrows surgically fitted with T-cannulas at the distal ileum with an initial body weight of 29.0 kg (standard deviation = 3.0) were individually housed in metabolism crates equipped with a feeder and a nipple drinker. A $12{\times}9$ incomplete Latin square design was employed with 12 experimental diets, 12 animals, and 9 periods. After a 5-d adaptation period, ileal digesta were collected on d 6 and 7 in each experimental period. Results: Values for apparent ileal digestibility of most indispensable AA in three sources of SBM were greater compared with other test ingredients except HPDDG and canola meal (p<0.05). Pigs fed diets containing SBM sources had also greater SID of most indispensable AA compared with those fed diets containing other test ingredients (p<0.05) except for HPDDG and canola meal. There was no difference in the apparent ileal digestibility and SID of AA among sources of SBM. The TDDG had the least value for the SID of methionine among test ingredients (p<0.05). Conclusion: The SID of most AA in SBM, HPDDG, and canola meal were greater than those in sesame meal, perilla meal, copra meal, and TDDG.

• 한국콘텐츠학회논문지
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• 제20권9호
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• pp.681-689
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• 2020

본 연구는 치위생과 재학생을 대상으로 학습태도, 문제해결능력, 비판적 사고성향을 확인하고 학습태도에 미치는 영향을 알아보고자하였다. 자료분석방법은 연구대상자의 일반적 특성을 빈도분석하였고, 학습태도, 비판적사고성향, 문제해결능력은 평균과 표준편차, 각 변수의 상관관계를 조사하였다. 연구대상자의 일반적 특성에 따른 학습태도, 비판적사고성향, 문제해결능력은 t-test와 ANOVA, 학습태도에 영향을 미치는 요인은 위계적 회귀분석을 실시하였다. 본 연구결과 학습태도에 영향을 미치는 변수는 학년이 영향력이 가장 높았고, 비판적사고성향의 하위요인으로 자신감과 회의성이 학습태도에 영향을 미치는 것으로 나타났다. 본 연구를 통하여 치위생과 재학생 중 1학년이 학습태도 점수가 가장 높은 것으로 조사되었다. 1학년을 대상으로 한 비판적 사고성향과 문제해결능력을 효과적으로 상향할 수 있는 프로그램개발과 학습자의 특성 및 전공만족도와 대학생활 적응정도, 문제중심학습 및 프리셉터쉽 적용을 통한 연구가 지속적으로 이루어져야 할 것으로 사료된다.