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초등학교 아동의 인지양식과 협동활동이 과학적 사고에 미치는 영향
임채성,김대현 부산교육대학교 과학교육연구소 1998 科學敎育硏究 Vol.23 No.-
This study examined the influences of cognitive styles of children and cooperative activities performed by groups with different sizes on scientific thinking in fifth grade. Field-independent children's scientific thinking is different from that of the field-dependent. The scores of field-dependent children measured with the Classroom Test of Scientific Reasoning(CTSR) developed by Lawson were higher than those of the field-dependent. This implies that cognitive styles of children should be considered for effective cooperation. In cases of items of CTSR with higher difficulty level, differences of improvement scores between the groups of individual and cooperative activities were significant. This suggests the importance of cooperation when the children solve difficult or complex problems. In scientific thinking, the effects of cooperation were different with group size. The improvement scores in groups of six children were most large. This result has a import implication in the construction of small groups for science instruction. There was no significant interaction effect between the cognitive styles and group sizes. More careful examination is needed in this aspect. In addition, further research for the effects of cooperative activities which deals more comprehensive consideration of the characteristics of learners, such as learning styles, as well as cognitive styles, are needed.
Seong Hyeon Chae,김춘배 조선대학교 치의학연구원 2019 Oral Biology Research (Oral Biol Res) Vol.43 No.1
The objective of this study was to investigate the oral health status, dental care utilization and health-related quality of life of elderly living alone to collect basic data on how to improve quality of life using the components of the European Quality of Life-5 dimension (EQ-5D) scale. The study used raw data of the community health survey from 2016 for South Jeolla Province. The data entailed 2,671 elderly people of aged 65 years and above living alone. Statistical analysis was performed by frequency analysis and chi-squared and t-tests. Analysis of variance was performed using multiple regression analysis. The significance level was determined to be 0.05. Chewing problems and speaking discomfort, oral health examination and unmet dental needs (p<0.001) were all significantly related. In the effect on the components of the EQ-5D by logistic regression analysis, gender, age, education level, economy activity, chewing problems, speaking problem, oral health examination and unmet dental needs were the significant variables in the quality of healthrelated life. The results showed that oral health status and dental care utilization significantly influenced the quality of life in elderly living alone. Through the recognition of the impact of oral health on health-related quality of life, we expect that the data from this study will help promote the development of oral health and oral health education programs for the maintenance and promotion of adult health.
Detection of Anaplasma sp. in Korean Native Goats (Capra aegagrus hircus) on Jeju Island, Korea
Giyong Seong,Yu-Jung Han,Jeong- Byoung Chae,Joon-Seok Chae,Do-Hyeon Yu,Young-Sung Lee,Jinho Park,Bae-Keun Park,Jae-Gyu Yoo,Kyoung-Seong Choi 대한기생충학열대의학회 2015 The Korean Journal of Parasitology Vol.53 No.6
Anaplasma species are obligate intracellular pathogens that can cause tick-borne diseases in mammalian hosts. To date, very few studies of their occurrence in Korean native goats (Capra aegagrus hircus) have been reported. In the present study, we investigated Anaplasma infection of Korean native goats on Jeju Island, Republic of Korea, and performed phylogenetic analysis based on the 16S rRNA gene sequences. Our results showed that Anaplasma infection was found mostly in adult female goats. The phylogenetic tree revealed that the 7 sequences identified in Korean native goats could belong to Anaplasma sp. and were distinct from A. marginale, A. centrale, and A. ovis. The results indicated that the sequences identified to belong to Anaplasma were closely related to sequences isolated from goats in China and were clustered within the same group. To our knowledge, this is the first study to detect Anaplasma sp. infection in Korean native goats.
치과위생사의 핵심기본치위생역량술에 대한 숙련요구도 조사
채성현 ( Seong-hyeon Chae ),노희진 ( Hie-jin Noh ),정고운 ( Go-woon Jeong ),김하나 ( Ha-na Kim ),맹혜민 ( Hye-min Maeng ),조윤상 ( Yun-sang Cho ),박지영 ( Ji-young Park ),팽경원 ( Kyeong-won Paeng ),현지희 ( Jee-hee Hyun ) 한국치위생학회 2016 한국치위생학회지 Vol.16 No.5
Objective: The purpose of the study is to investigate clinical skill proficiency in core dental hygiene competency in dental hygienists. Methods: The study subjects were 208 dental hygienists in Seoul and Gyeonggido. A complete self-reported questionnaire was filled out by 171 dental hygienists. The questionnaire consisted of general characteristics of the subjects, assessment of core dental hygiene competency, implementation of core dental hygiene competency, and education of core dental hygiene competency. Data were analyzed by PASW Statistics 18.0 to carry out a frequency analysis, one-way ANOVA and Pearson`s correlation. Results: Chief complaint confirmation(4.08±0.91), scaling (ultrasonic scaler)(4.36±0.88), and toothbrushing education(4.35±0.86) were found to be the most important in the areas of dental hygiene assessment, implementation, and education, respectively. In dental hygiene education, statistically significant differences were identified by ‘level of education,` ‘working career,` ‘type of workplace,` ‘department,` and ‘main task.` Conclusions: Respondents were found to think that their level of proficiency should be above average for most jobs. Proficiency in core competency was shown to be different according to ‘general characteristics of dental hygienists,` ‘type of workplace,` and ‘department.`
제3차 대한간학회 춘계학술대회 초록집 : 포스터연제 토의 ; 간세포암의 복강내 전이에 의한 출혈 1 예
김성수 ( Kim Seong Su ),이창돈 ( Lee Chang Don ),이성희 ( Lee Seong Hui ),한상원 ( Han Sang Won ),오수혁 ( O Su Hyeog ),채현석 ( Chae Hyeon Seog ),최상욱 ( Choe Sang Ug ),박두호 ( Park Du Ho ),김부성 ( Kim Bu Seong ),박석희 ( Park 대한간학회 1997 Clinical and Molecular Hepatology(대한간학회지) Vol.3 No.2(S)
The prevalence of causative agents of calf diarrhea in Korean native calves
( Jeong-Byoung Chae ),( Hyeon-Cheol Kim ),( Jun-Gu Kang ),( Kyoung-Seong Choi ),( Joon-Seok Chae ),( Do-Hyeon Yu ),( Bae-Keun Park ),( Yeon-su Oh ),( Hak-jong Choi ),( Jinho Park ) 한국축산학회(구 한국동물자원과학회) 2021 한국축산학회지 Vol.63 No.4
Infectious calf diarrhea is one of the most significant diseases of neonatal calves. This study is conducted to identify the prevalence of pathogens in calf diarrhea for 2 years. A total of 544 feces samples from Korean native beef calves were obtained to investigate selected seven pathogens causing calf diarrhea: bovine rotavirus, bovine coronavirus, Cryptosporidium parvum, bovine viral diarrhea virus, Eimeria species, Escherichia coli K99, and Salmonella species. The presence of diarrhea, the number and species of detected pathogens, and the calves’ ages were analyzed using various statistical methods depending on the case. Of the 544 calves, 340 calves (62.5%) had normal feces and 204 calves (37.5%) had diarrhea. The presence of pathogens was significantly associated with diarrhea (p < 0.01) and fecal scores and the number of detected pathogens showed a significant linear trend (p < 0.001). Of the 7 target pathogens, 6 were detected in samples, but only C. parvum (p = 0.001) and bovine rotavirus (p < 0.001) were found at significantly higher rates in diarrheic calves than in non-diarrheic calves. Only Eimeria spp. showed a significant linear trend between the detection rate of the pathogen and the age groups (p < 0.05).
크론병에서 항문 주위 병변의 임상상과 치료에 대한 반응
김현대 ( Kim Hyeon Dae ),김찬규 ( Kim Chan Gyu ),김지원 ( Kim Ji Won ),김상균 ( Kim Sang Gyun ),김병관 ( Kim Byeong Gwan ),김주성 ( Kim Ju Seong ),정현채 ( Jeong Hyeon Chae ),송인성 ( Song In Seong ) 대한소화기학회 2003 대한소화기학회지 Vol.42 No.2
Background/Aims: The aim of this study was to assess the clinical features and therapeutic responses of perianal lesions in Crohn`s disease. Methods: We retrospectively reviewed medical records of 94 cases with perianal lesions among 231 cases registered as Crohn`s disease in Seoul National University Hospital between January 1975 and June 2001. The cases were investigated after dividing into two different groups. One group included the cases registered between January 1975 and December 1996 and the other group between January 1997 and June 2001. Results: The perianal lesions were observed in 41% of the cases. Perianal lesions were more frequent in colonic Crohn`s disease after 1997, but not before 1996. Fistula was significantly prevalent, followed by abscess, fissure, and stricture. Perianal lesions preceded intestinal symptoms such as abdominal pain and diarrhea in 25% of the cases. The remission rate with non-specific conservative treatment (10%) was lower than that before 1996. The remission rate after specific treatment (77%) was higher than that after surgery (53%). In cases of specific treatment, cumulative relapse rates were 7% in 1 year and 39% in 5 years. Conclusions: Crohn`s disease should be considered in young male patients who have the refractory perianal lesions. Perianal lesions should be managed initially with medical treatment. (Korean J Gastroenterol 2003;42:128-133)