Journal of The Korean Association For Science Education
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v.22
no.2
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pp.240-251
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2002
In this study, we analyzed differences of explanation on gas pressure and atmospheric pressure in elementary and secondary school science textbooks and general chemistry and general earth science textbooks based on three types of explanation criteria: first, explanation of mass; second, explanation of air pressure on unit area; third. explanation of molecular motion. The results were as follows. Elementary science textbook belonged to the first type. All of the secondary school chemistry textbooks belonged to the third type. But most of the general chemistry textbooks belonged to the first and second type. Most of the earth science textbooks for secondary school and most of the general earth science textbooks belonged to the first type. Therefore, the differences of explanation could disturb students' understanding on gas pressure and atmospheric pressure.
Journal of the Korean Society of Earth Science Education
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v.8
no.3
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pp.367-377
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2015
The purpose of this study was to see the influences of POE science class that emphasizes explanation on science research ability, motivation of science class as well as scientific attitude of elementary students. The results drawn from this analysis were as below. Firstly, positive relationship was found between science research ability and POE science class was shown among research group. This shows that science research ability was improved as POE science class encouraged the research activities of students. It indicates that POE science class emphasizing explanation is effective in improving science research ability of students. Secondly, positive relationship was found between motivation of science class and POE science class among research group and this means that POE science class that emphasizes explanation stimulates intellectual curiosity of students and improves their attitude by actively promoting research activities. Thirdly, there was a positive relationship between scientific attitude and POE science class among research group. This presents that POE science class emphasizing explanation is effective in improving students' attitude toward science by promoting research activities. Above results show that POE science class emphasizing explanation is highly effective for elementary students. It is considered that scientific writing, discussion and debate classes have positive influences on research ability, motivation of science class and scientific attitude of elementary students. Thus, it is needed to apply POE science class to current science class as it can promote wider scientific activities among students.
Purpose: This study aimed to clarify the factors related to mothers' decisions to provide disease explanations to their children, investigate the associations between those factors and social adaptive skills, and examine support relative to children's growth and development. Methods: Data were collected from anonymous, self-administered questionnaires answered by 71 mothers of outpatient school-aged children with congenital heart disease. The questionnaire items included characteristics of mothers and children, decision factors for providing disease explanations, and children's social adaptive skills (Asahide-Shiki social adaptive skills test). Factor analysis was performed on the decision factors, and multiple regression analysis was performed to examine the association between the identified factors and each social adaptive skill. Results: The decision factors for providing disease explanations were the mother's explanation ability, the receptive capability of the child, and the child's interest and literacy regarding the explanation. Multiple regression analysis showed that language and social life skills were significantly associated with the child's receptive capability, and language and daily life skills were significantly associated with the child's interest and literacy regarding the explanation. Conclusion: Improving children's language, social life, and daily life skills may enhance their receptive capability and literacy regarding explanations of their disease.
The purpose of this study was to investigate how prospective elementary school teachers perceived teacher's inquiryoriented teaching practice, with an emphasis on students' scientific explanations based on scientific evidence. For this study, 94 prospective elementary school teachers were participated. 14 among 94 participants had chances to intensively experience this particular teaching methods for 15 weeks. All of the 94 participants observed the intended science teaching practice for 4th graders in two different elementary schools, which utilized the science talks emphasizing students' scientific explanation activity. For quantitative data analysis, they were asked to provide their reaction to the science teaching methods after their classroom observation. For qualitative data analysis, 5 among the participants, who had relatively long term experience with this teaching practice, were chosen to interview in order to understand their individual reasons of the ways they perceived about the inquiry-oriented teaching methods boosting students' scientific explanation. The results show that the prospective elementary teachers generally thought the emphasis of students' scientific explanation based on scientific evidence could enhance young elementary students' science content understanding, stimulate their curiosity/interests, and further develop their ability to engage actively in scientific discussions. However, some prospective teachers tended to think that the science teaching. methods would not be effective in terms of managing science classes, though. This study concludes that the prospective teachers tended to hold an endemic dilemma. On the one hand, they had their clear preference to the inquiry-oriented teaching practice as the most ideal teaching methods. On the other hand, they also had their persistent hesitance in using these methods due to their fear that elementary students might not adequately grasp the important science content when engaged in scientific discourse through an inquiry-oriented class.
This study was to compare multidimensional outcomes of patient's satisfaction after cataract surgery and to identify factors influencing satisfaction after operation. Patient's satisfaction was measured with three dimensions : interpersonal care, physician explanation and hospital care. Overall satisfaction was measured as means of three dimensional scores. For the study, a prospective study was performed with 389 patients who had undergone cataract surgery for either one eye or both eyes. The surgery was performed by 20 ophthalmologists who were practicing at university hospitals and general hospitals. Patients were interviewed and clinical data (the visual acuity of operated eye, visual function, symptom score and satisfaction with vision) were obtained. The doctors were questioned with self-reported questionnaire forms. Medical records were also examined to understand surgery Process. The survey was conducted before(389) and after operation(327). Alter excluding cases with incomplete data, 3n cases were enrolled In this study. Both the overall satisfaction and the satisfaction with physician explanation increased after the operation whereas the satisfaction with interpersonal care and hospital care did not change significantly. Multiple regression analysis showed that the level of education, baseline satisfaction scores and the degree of vision improvement were statistically significant variables. The preoperative lower level of education, higher level of overall satisfaction (interpersonal care, physician explanation, hospital care scores) and the more the satisfaction with vision improvement were associated with the improvement of postoperative satisfaction scores.
Journal of The Korean Association For Science Education
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v.22
no.3
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pp.444-454
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2002
In this study, we analyzed the explanation of the concepts related to osmotic pressure and semipermeable membrane that were represented in chemistry and biology textbooks of high school and general course of college. There were 4 types of explanation in osmotic pressure and 3 types of semipermeable membrane concept. Students can understand the concepts with different meaning because there are different viewpoints on the explanations of the concepts. We must consider the various types of explanation when we design science textbooks because these confusions disturb students' understanding of the concepts.
Journal of Information Technology Applications and Management
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v.14
no.4
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pp.175-198
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2007
Technology Acceptance Model (TAM) has been a basis model for testing technology use. Post researches of TAM have been conducted with the updating the TAM by adding new independent variables in order to increase the explanation power of the model. However, one problem is that different independent variables have to be introduced to keep the explanation power whenever applying to particular technology. This reduces the generality of the research model. Thus in order to increase the generality of the model, this study reviewed the previous researches and collected the independent variables used, and regrouped them into three basic independent constructs. New research model was designed with three basic independent constructs with four constructs selected for the mandatory IT environment and voluntary IT environment, and the structured equations analysis(AMOS) was applied to find the significant causal effect relationships between constructs in addition to the explanation power of the model. Finally, this study concluded that new TAM could be used to explain the users' adopting new technology without any adding new particular independent variables.
Journal of the Korean Institute of Intelligent Systems
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v.19
no.2
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pp.218-223
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2009
This dissertation about the wrong answer note model development which is individualized investigates a problem. The method which is used from here uses a group sincerity and adds wrong answer analysis leads and to the wrong answer person explanation note of the pattern which is similar refers a wrong answer note explanation. The result which this dissertation is principal will reach to the wrong answer where is not the explanation about right answer and the process which is incorrect and a wrong answer will seek will be able to arrange. There is a possibility of finding the solution which existing wrong answer note system is improved with the method which is proposed.
Purpose: Recently medical dispute about plastic surgery is increasing rapidly as result of growing surgery itself due to high interest in appearance and advertisement of plastic surgery. So we want to find a way to prevent similar medical accident by making better solution of plastic surgery through case analysis of medical dispute. Method: 161 cases about plastic surgery asked for aid at Korea Consumer Agency and 41 cases judged at the court was surveyed and gender, location and kind of hospital, goal and kind of operation, making operation agreement or not, kind of damage, result of process, result of lawsuit was studied from 2004.1.1. to 2006.12.31. Result: Medical doctor have to explain about symptoms of disease, method of treatment, possibility of complication, prognosis to patients before therapy so they can make decision if they take operation by doctor or not. On this survey, among the patients who underwent re - operation or had complication, 88.1%(96 from 109 cases) of them didn't get enough explanation about possibility of complication before surgery They brought lawsuit insisting they would not undergo operation if they got enough explanation about possibility of complication and result of operation before surgery. Conclusion: It is advisable that doctor must observe the duty of explanation before surgery and respect the right to decide of patient, make operation agreement and put down concrete progress note and store the pre and post operative photo to avoid medical accident. It is also needed to have guideline of therapy, Code of ethics, organization which deals with medical dispute, reconsideration of law to control that.
The purpose of this paper was to analyze the role of illustrations in elementary textbooks (3~4 grade) of the 2009 revised curriculum of science education in Korea from point of view of aim of science by applying the criteria of 5E inquiry process model for reflecting core aim of the science education. The subjects of the paper was the 105 illustrations in the earth-science domain of elementary science textbooks (3~4 grade) of the 2009 revised curriculum of science education in Korea. The analysis criterion was of two categories, the function of illustration and the role of illustration. the function of illustration was divided into three subcategories such as Exclusiveness type, correspondence type and supplementary type. The role of illustration was divide into five subcategories such as Engagement, Exploration, Explanation, Elaboration and Evaluation. According to results of the illustration analysis are as follows: the result of the function of illustration are exclusiveness type 39, correspondence type 36 and supplementary type 30, the important of point to note is that there are a lot of exclusiveness type considerably. compared with other subjects, this fact indicate character of illustration of the only science textbook. The result of the role of illustration are Engagement 14, exploration 64, explanation 25, elaboration 2 and evaluation 0. This data indicate main role of illustrations in earth-science domain is to help the students to be able to observe and explore. Cross-analysis of the function and role was a significant difference. Role of illustration was evenly distributed within Exclusiveness type on the other hand, the role of illustrations was mainly exploration and explanation in correspondence and supplementary type. Especially, illustration of exploration was mainly correspondence type.
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