This study expanded the superiority of random leader selection procedure on group decision-making task to actual group performance task, and examined the interaction effects of leader selection procedure(LSP) and collective efficacy(CE) on group performance. 2(LSP: formal/random)×2(CE: low/high) between subject design was used. The result revealed the significant main effect of LSP, which showed that groups with random leader performed better than those with formally selected leader. Further, significant interaction effect of LSP and CE revealed that when group's CE was high, group with random leader performed better than group with formally selected leader, and the difference between two groups was not significant when group's CE was low. These results suggested that LSP should not impair shared social identity of the group in order to maintain the positive effect of CE on group performance. The necessity for expanding these results to work team was discussed.
The present study employed a pretest-posttest quasi-experimental design to evaluate the effectiveness of a teacher education program for child care teachers. Twenty-seven teachers were randomly assigned to intervention and control groups with 12 and 17 teachers in each group. Teachers in the intervention group participated in the program. After termination of the program, differences between pre- and post-tests were examined in regards to teachers' emotional regulation, efficacy, parent-teacher communication and job satisfaction. There were four major findings. First, self-reported teachers'emotional regulation, teachers'efficacy and job satisfaction were significantly improved in the intervention group, but not in the control group. Second, parent-teacher communication difficulty was significantly reduced in the intervention group, but not in the control group. These findings emphasize the importance of the teachers' positive characteristics in improving the outcome of preschoolers.
Objectives: Adulterated food education in adolescence period is very important because dietary management related to food safety is not made in a short period. This study aimed to identify dietary lifestyle factors which drive adulterated food management among middle and high school students. Methods: Data was collected from 270 middle and high school students in Daegu using a self-administered questionnaire in March and April of 2015. Data was analyzed using frequency analysis, one-way analysis of variance, ${\chi}^2$-test, factor analysis, reliability analysis, regression analysis, and cluster analysis. Results: The results of factor analysis indicated that adulterated food management awareness was classified into necessity, difficulty, and food purchasing anxiety. The adulterated food management capability was sub-grouped into environmental grasp, food identification, cooking hygiene, and situation management. The adulterated food management efficacy composed of management confidence, action intention, and knowledge. Dietary lifestyle comprised of gustation, family, and health factors after factor analysis, and it consisted of all seeking group, gustation seeking group, family seeking group, health seeking group, and family and health seeking group after cluster analysis. The gustation, family and health factors were significantly affected the factors of awareness, capability and efficacy of adulterated food management (p < 0.05). The frequency of health conditions, helping with meal preparation, and the times of eating out were significantly different according to seeking groups of dietary lifestyle (p < 0.01). The scores of awareness, capability and efficacy of adulterated food management of family and health seeking group were significantly higher than the other seeking groups (p < 0.05). Conclusions: This study suggests that adulterated food management education programs should account for gustation, family and health factors of dietary lifestyle to be effective for adolescents.
Rebamipide is a mucosal-protective antiulcer drug, but its mechanism of action in gastric cancer remains elusive. CagA, a major virulence factor of Helicobacter pylori (H. pylori), is associated with the risk of gastric cancer. CagA protein is injected into gastric epithelial cells and deregulates a variety of cellular signaling molecules. CagA from H. pylori induces phospholipase D1 (PLD1) expression through NFκB activation in gastric epithelial cells, followed by invasion and proliferation of gastric epithelial cancer cells. Infection with cagA-positive H. pylori and expression of CagA enhances the binding of NFκB to the PLD1 promoter. Rebamipide abolishes H. pylori cagA-induced PLD1 expression via inhibition of binding of NFκB to the PLD1 promoter and also inhibits PLD activity. Moreover, rebamipide abolishes H. pylori CagA-induced β-catenin and the expression of a target cancer stem cell (CSC) marker gene via upregulation of miRNA-320a and -4496, followed by attenuation of self-renewal capacity of H. pylori CagA-infected gastric CSCs. In addition, rebamipide increases the chemosensitivity of CagA-expressed gastric CSCs and suppresses gastric carcinogenesis. Thus, it is speculated that rebamipide might show a potent efficacy as chemotherapeutic drug against gastric cancer cells. In this review, we summarizes recent results regarding the novel insights for the efficacy of rebamipide in gastric cancer cells.
Purpose: This study was conducted to construct and test a structural model on family life satisfaction of aged individuals living at home. The conceptual model was based on Bandura's self-efficacy and social cognitive theories (1977; 1986) and Bowen's (1976) family systems theory. Methods: From January 25 to March 5, 2016, 227 older adults living at home completed a structured questionnaire. Data were analyzed to calculate the direct and indirect effects of factors affecting family life satisfaction. SPSS WIN 20.0 and AMOS 20.0 were used. Results: The hypothetical model was a good fit for the data. The model fit indices were ${\chi}^2=78.05$, ${\chi}^2/df=1.35$, RMSR=.02, GFI=.98, AGFI=.96, NFI=.94, CFI=.98, and RMSEA=.05. Family life satisfaction was positively affected by perceived collective family efficacy, status of physical health, family communication, and family support. Depression resulted in a significant negative effect. Family differentiation had a significant indirect effect on family life satisfaction. The model explained 76% of variance in family life satisfaction. Conclusion: Perceived collective family efficacy, status of physical health, depression, family differentiation, family communication, and family support were significant factors explaining family life satisfaction among older adults staying at home. Further research should be conducted to seek intervention strategies to improve family life satisfaction among older adults living at home by focusing on the respective contributing factors.
Rheumatoid arthritis (RA) is a common systemic inflammatory disease which DMARDS have been widely used as a treatment modality both as monotherapy and combination therapy Bucillamine, one of newer DMARDS, has recently proven its efficacy as monotherapy in the treatment of RA. The objective of this study was to compare the efficacy and the safety of bucillamine monotherapy and bucillamine plus methotrexate combination therapy in the treatment of rheumatoid arthritis. Forty-nine mild RA patients were enrolled in this prospective, open-trial and were assigned to receive bucillamine 200 mg/day (n=18) or bucillamine 200 mg/day and methotrexate 7.5-15 mg/week (n=31) orally for 16 weeks. Concomitant use of NSAID and prednisolone <5 mg/day or equivalent dose of steroid were allowed. Both monotherapy group and combination therapy group have shown significant improvement in disease activities (Ritchie index, painful joints, swollen joints, morning stiffness, grip strength, ESR, RF, CRP, patient's self assessment of pain, physician's global assessment of disease activity) from the baseline. However, there was no statistically significant difference between two groups. The adverse effects were more frequently shown in combination therapy group than monotherapy group. In conclusion, in patients with mild RA monotherapy has shown to be equally efficacious as combination therapy with less side effects.
Kim, Mi-Na;Lim, Do-Seon;Kim, Myoung-Hee;Kim, A-Reum;Kim, Sung-Im;Ahn, Yong-Soon
Journal of dental hygiene science
/
v.15
no.2
/
pp.129-137
/
2015
This study is conducted with the aim of providing basic data for oral health improvement of pregnant woman and development of oral health education program by analyzing factors influencing the oral health related behavior of pregnant woman applying health belief model which is theoretical model of explaining individual's behavior change. For 217 expectant mothers who visited 8 obstetrics and 1 maternity class located in Seoul, Gyeonggi and Incheon from August 1 to 31, 2014, data analysis was implemented using self-administered questionnaire. Before the completion of self-administered questionnaire, the subjects were fully informed of explanatory note and consented on taking part in the research for the consideration of ethical aspect. Collected materials were treated by PASW Statistics ver. 18.0 program and following results were acquired. Health belief factor which infuences oral health related behavior of pregnant woman resulted that perceived severity influences on oral examination during pregnancy and dental treatment during pregnancy, and perceived benefits influences on oral examination during pregnancy, and perceived barriers on toothbrushing after having a snack, toothbrush with rotation method and oral examination during pregnancy, and self-efficacy influences on use of oral hygiene products after toothbrushing and oral examination during pregnancy. With these research results, I suggest that perceived severity of health belief factor, perceived benefits, perceived barrier and self-efficacy influence oral health related behavior of pregnant woman. And specific oral health education program for pregnant woman is necessary to increase perceived severity of pregnant woman, perceived benefits and self-efficacy and to reduce perceived barriers.
Kim, Doehyung;Kim, Min-Jeong;Lee, Haeyoung;Kim, Hyunseuk;Kim, Youngmi;Lee, Sang-Shin
Korean Journal of Psychosomatic Medicine
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v.29
no.1
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pp.49-57
/
2021
Objectives : This study evaluated the medical communication skills of trainee doctors and analyzed the relationship between medical communication skills, self-efficacy on clinical performance (SECP) and empathy. Methods : A total of 106 trainee doctors from a university hospital participated. The questionnaire comprised self-evaluated medical communication skills, modified SECP and the Korean version of the Jefferson Scale of Empathy-Health Professionals version. The mean difference in medical communication skills scores according to gender, age, division (intern, internal medicine group or surgery group) and position (intern, first-/second- and third-/fourth-year residents) were analyzed. Pearson correlation coefficients were determined between medical communication skills, modified SECP and empathy. The effects of each variable on medical communication skills were verified using the structural equation model. Results : There were no statistically significant mean differences in self-evaluated medical communication skills according to gender, age, division or position. Medical communication skills had a significant positive correlation with modified SECP (r=0.782, p<0.001) and empathy (r=0.210, p=0.038). Empathy had a direct effect on modified SECP (β=0.30, p<0.01) and modified SECP had a direct effect on medical communication skills (β=0.80, p<0.001). Empathy indirectly influenced medical communication skills, mediating modified SECP (β=0.26, p<0.05). Conclusions : Medical communication skills are an important core curriculum of residency programs, as they have a direct correlation with SECP, which is needed for successful treatment. Moreover, the medical communication needs a new understanding that is out of empathy.
Journal of the Korea Academia-Industrial cooperation Society
/
v.21
no.10
/
pp.115-126
/
2020
This study focused on the development of a simulation-based educational program for communication, targeted to prevent safety accidents of patients. Application of the program to nurses working in public medical institutions was assessed to identify the effects of the program in terms of communication skill, self-efficacy, critical thinking disposition, and problem solving ability of nurses, before and after completion of the education. Method: A total of 32 nurses, working in hospitals designated as public medical institutions, were selected as subject participants in the present study. Data were collected during the period August 19 to 20, 2019, and analyzed by SPSS 23.0. Results: Results obtained from the present study reveals significant efficacy of the educational program, in respect of improved communication skill, self-efficacy, and problem-solving ability. On completion of the educational program, we observed an increase in the critical thinking disposition of nurses, although it was statistically insignificant. Conclusions: We believe that the educational program developed in the present study can be exploited as a foundation for developing other programs intending to improve the communication skill of nurses employed in clinics of public medical institutions, targeted to prevent occurrence of safety accidents of patients.
Objectives: The purpose of this study is to evaluate bonding efficacy by means of measuring the effect of remained solvent on Degree of conversion(DC) and ${\mu}TBS$ and FE-SEM examination. Materials and Methods: Two 2-step total etching adhesives and two single-step self etching adhesives were used in this study. First, volume weight loss of 4 dentin adhesives were measured using weighting machine in process of time in normal conditions and calculate degree of evaporation (DE). Reaction/reference intensity ratio were measured using micro-Raman spectroscopy and calculate DC according to DE. Then 2 experimental groups were prepared according to air-drying methods (under, over) and control group was prepared to manufacturer's instruction. Total 12 groups were evaluated by means of micro tensile bond strength and FE-SEM examination. Results: Degree of evaporation (DE) was increased as time elapsed but different features were observed according to the kind of solvents. Acetone based adhesive showed higher DE than ethanol and butanol based adhesive. Degree of conversion (DC) was increased according to DE except for $S^3$ bond. In ${\mu}TBS$ evaluation, bond strength was increased by additional air-drying. Large gaps and droplets were observed in acetone based adhesives by FE-SEM pictures. Conclusions: Additional air-drying is recommended for single-step self etching adhesive but careful consideration is required for 2-step total etching adhesive because of oxygen inhibition layer. Evaporation method is carefully chose and applied according to the solvent type.
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