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Characterization of Students’ Peer Learning Strategies: A Case Study of a Secondary School
Clarita M. de Leon-Carillo 한국교육개발원 2005 KEDI Journal of Educational Policy Vol.2 No.2
This study identified peer learning strategies practiced by students of a laboratory school, which has adopted a modified personalized instructional delivery. It ascertained the profile of the respondents, their peer learning strategies, the extent of use of these strategies, and the possible relationships between these strategies and the students’ performance in Mathematics, Science, and English. The descriptive-analytical study utilized a researcher-made questionnaire that was administered to 178 respondents using census sampling. Using reliability analysis, the items were found to be internally consistent at a high moderate level (.7479). Strategies that were used “often” identify learners as knowledge collaborators. The study emphasizes the need to recognize the role of peers in learning and presents implications to and recommendations for a more effective delivery of instruction in a laboratory school.
Prospective teacher’s pre- and postpracticum beliefs on teaching
Clarita M. de Leon-Carillo 한국교육개발원 2007 KEDI Journal of Educational Policy Vol.4 No.1
Stability and change in prospective teachers’ pre- and post- practicum beliefs were studied through a survey questionnaire administered to 89 practice teachers from eight teacher-education institutions in the Philippines. The study identified views on teaching that influenced prospective teachers’ pursuit of a teacher– education degree, compared their beliefs before and after practice teaching, and identified the components of the teacher education program to which such belief changes were attributed. Based on the respondents’ ratings, this study found that the clinical or practical component of teacher-education programs play a positive and a significant role in their perspectives about their profession.
Gerardo Andrés Obeso Carillo,José Eduardo Rivo Vázquez,Alberto Fernández Villar 대한흉부외과학회 2014 Journal of Chest Surgery (J Chest Surg) Vol.47 No.5
Background: The effort to detect lung cancer in ever-earlier stages leads to the identification of an increasing number of patients without preoperative histological diagnosis. The aim of this study is to determine the prevalence and characteristics of benign lesions excised in the context of lung cancer surgery. Methods: We retrospectively analyzed data from 125 surgical procedures. We compared the preoperative clinical or cyto-histological diagnosis with the surgical-pathologic diagnosis in order to identify the percentage of benign lesions excised. Furthermore, other parameters were analyzed, such as age, sex, tumor size, the presence of calcification, and the type of surgery according to subgroup. Results: Of the 125 patients included in the study, 63 (50.4%) had a preoperative histological diagnosis of malignancy, corresponding to 56 cases (44.8%) of primary lung cancer and 7 cases (5.6%) of metastases. The 62 (49.6%) remaining cases without preoperative histological diagnosis were divided among 50 (40%) solitary pulmonary nodules and 12 (9.6%) pulmonary masses. According to the postoperative pathologic examination, we identified 12 (9.6%) benign lesions excised during lung cancer surgery. There were no statistically significant differences by subgroups with respect to age or sex. We found statistically significant evidence regarding the size and wedge resection as the surgical technique of choice for this type of benign lesion. Conclusion: Our study obtained results similar to those published by other groups regarding the resection of benign lesions in lung cancer surgery. This percentage could be a quality management index of indeterminate lung lesions.