• Title/Summary/Keyword: science objectives

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An Comparative Study of Articulation on Science Textbook Concepts and Extracted Concepts in Learning Objectives Using Semantic Network Analysis - Focus on Life Science Domain - (언어 네트워크 분석을 이용한 초등학교 과학 교과서 개념과 성취 기준 추출 개념의 연계성 비교 연구 - 생명과학 영역을 중심으로 -)

  • Kim, Youngshin;Kwon, Hyoung-Suk
    • Journal of Korean Elementary Science Education
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    • v.35 no.3
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    • pp.377-387
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    • 2016
  • Whether textbooks faithfully reflect the curriculum contents is an important educational issue. The previous studies on the textbooks did not analyze the relationship described in the textbooks or the structure. In this regard, this study aims to analyze how the concept of life science area in the elementary school science textbooks developed on the basis of the 2009 revised curriculum is linked. In addition, it seeks to analyze how the concept presented in the learning content achievement standards of the curriculum is connected to other concepts. Towards this end, the conceptual linkage of eight units in the life science domain of elementary school science textbooks based on the 2009 revised curriculum was analyzed. The contents of the life science domain in the science textbooks were analyzed through a semantic network analysis, and the semantic network on the concept linked to the one described in curriculum's learning objectives was also analyzed. The results are as follows: 1) It will be difficult for students to understand the concept due to the complexity of the semantic network resulting from a number of concepts. 2) The curriculum's learning objectives presented in the curriculum are not faithfully reflected in the textbooks. 3) The textbooks are described on the basis of specific curriculum's learning objectives. Based on the findings of this study, the number of concepts described in the elementary school science textbooks needs to be significantly reduced so that the concepts can be meaningfully linked to each other.

Analysis of Summative Evaluation Objectives in Middle School Biology based on Bloom's Revised Taxonomy of Educational Objectives (Bloom의 신 교육목표분류에 기초한 중학교 생물 영역 총괄 평가 문항의 목표 분석)

  • Kim, Yoon-Hee;Yoon, Ki-Soon;Kwon, Duck-Kee
    • Journal of Science Education
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    • v.34 no.1
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    • pp.164-174
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    • 2010
  • The purpose of this study was to find out taxonomic characteristics of objectives infered from questions of summative evaluation by analyzing those objectives with Bloom's revised taxonomy of educational objectives. 1,711 questions of midterm and final examinations collected from 25 middle schools were analyzed to classify objective of each question. The major findings of the study were as follows: first, from the analysis of objectives in the knowledge dimension, the assessment of factual knowledge was most prevailing(67.6%) in the biology summative evaluation. In the cognitive process dimension, memory assessment was most dominant(76.1%). Thus, the main objectives of evaluation leaned toward particular classes in the Bloom's revised taxonomy, which was different from the findings of earlier studies on the weights of evaluation areas. Second, the level of the objectives should be determined in consideration of the grade of middle schoolers, as their cognitive level improves with grade. In fact, however, there was no difference among three grades in characteristics of objective taxonomy.

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An Analysis and Survey on the status of the Korean Middle School Science Curriculum: The Science Objectives and Their Achievement (중학교 과학과 교육과정 및 그 운영진단I -교육과정 목표 및 목표도달도-)

  • Kwon, Jae-Sool;Choi, Byung-Soon;Hur, Myung
    • Journal of The Korean Association For Science Education
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    • v.7 no.1
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    • pp.53-68
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    • 1987
  • To figure out the present status of Korean middle school science curriculum in the national level is not an easy job. especially in the restricted condition such as this research project. Therefore, to achieve a meaningful result, the case study type of research was adopted In the study five middle schools (2boy's and 3girl's)were selected and examined intensively. In this study, two major works were done. One was the analysis of the present middle school science curriculum and the other was to examine the current status of the administration of the curriculum in schools. This first study focused on the evaluation of the current Curriculum. Acording to the result, the objectives stated in the teachers guide and implied by the testbook were heavily concentrated on the knowledge level in Boom's taxonomy. Achievement on the objectives which were selected as important were very low. The average pass rate for the selected objectives was less than 50% of the students. This means the content level of the present science curriculum is not appropriate. The study suggested that the present middle school science curriculum should be revised and the content should be replaced with easier topics to match the students cognitive level. The study also suggested further studies to measure the cognitive level of Korean students in national scale.

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Analysis of Summative Evaluation Objectives in Middle school Science Examination by Klopfer's Taxonomy of Educational Objectives (중학교 과학과 총괄 지필평가 문항의 목표 분석)

  • Park, HyunJu
    • Journal of Science Education
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    • v.36 no.2
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    • pp.293-302
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    • 2012
  • The purpose of this study was to analyze of the science examination of middle school 7th grade by Klopfer's taxonomy of educational objectives. A total of 645 test items from 10 middle schools were analyzed for this study. The examination items were analyzed according to the objectives of science education, such as behavior and contents area, question types, and the degree of difficulty. It was shown that, when the distribution of behavioral objectives was considered, the items emphasized knowledge and comprehension, and were scientific knowledge oriented. The tests consisted of multiple choice questions at a relatively high rate, compared to short answer questions. Comparing the rate of teachers' expectations to the degree of difficulty, the ratio of "top" was low and that of "medium" was high. The results of this study suggested that using various types of question and multiple levels of content and behavior enabled more effective evaluation of the diverse thinking powers and learning of the students.

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Educational goals and objectives of nursing education programs: Topic modeling (간호교육기관의 교육목적 및 교육목표에 대한 토픽 모델링)

  • Park, Eun-Jun;Ok, Jong Sun;Park, Chan Sook
    • The Journal of Korean Academic Society of Nursing Education
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    • v.28 no.4
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    • pp.400-410
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    • 2022
  • Purpose: This study aimed to understand the keywords and major topics of the educational goals and objectives of nursing educational institutions in South Korea. Methods: From May 10 to May 20, 2022, the educational goals and objectives of all 201 nursing educational institutions in South Korea were collected. Using the NetMiner program, degree and degree centrality, semantic structure, and topic modeling were analyzed. Results: The top keywords and semantic structures of educational goals included 'respect for human (life)-spirit-science-based on, global-competency-professional nurse-nursing personnel-training, professional-science-knowledge-skills, and patients-therapeutic care-relationship.' The educational goals' major topics were clients well-being based on science and respect for human life, a practicing nurse with capabilities and spirit, fostering a nursing personnel with creativity and professionalism, and training of global nurses. The top keywords and semantic structures of the educational objectives included 'holistic care-nursing-research-action-capability, critical thinking-health-problem solving-capability, and efficiency-communication-collaboration-capability.' The educational objectives' major topics were 'nursing professionalism, communication and problem-solving capability; a change of healthcare environments and a progress of nursing practices; fostering professional nurses with creativity and global capability; and clients' health and nursing practice.' Conclusion: Educational goals in nursing presented specific nursing values and concepts, such as respect for human life, therapeutic care relationships, and the promotion of well-being. Educational objectives in nursing presented the competencies of nurses as defined by the Korean Accreditation Board of Nursing Education (KABONE). Recently, the KABONE announced new program outcomes and competencies, which will require the revision of educational goals. To achieve those educational objectives, it is suggested that the expected level of competencies be clearly defined for nursing graduates.

Analysis of Instructional and Evaluational Objectives in Chemistry I Textbooks (화학 I 교과서의 학습 목표 및 평가 문항 분석)

  • Park, Hyun-Ju;Bea, Jeong-Ju;Jo, Kye-Seung
    • Journal of the Korean Chemical Society
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    • v.56 no.4
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    • pp.491-499
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    • 2012
  • This study was to analyze the educational objectives of evaluation of practice quizzes and learning objectives of chemistry I textbooks for the 2009 revised curriculum by Klopfer's taxonomy. The result revealed that the objectives of science education indicated in the 2009 revised curriculum were contained the educational meaning of all categories except 'manual skills' of Klopfer's taxonomy of educational objectives. The learning objectives of chemistry I textbooks laid mostly on 'the knowledge and comprehension' and 'the process of scientific inquiry'. It showed that 'the objectives of scientific knowledge and methods', 'manual skills' and 'scientific attitude and interest', 'orientation' seemed to be taken in a relatively careless way. The result on the practice quizzes in textbooks, they also laid stress on 'the knowledge and comprehension' were covered much, even though they were emphasized in the other objectives of the curriculum. It was concluded that the educational objectives of the science textbooks did not reflect much on educational objectives of the 2009 revised curriculum.

Compromising Multiple Objectives in Production Scheduling: A Data Mining Approach

  • Hwang, Wook-Yeon;Lee, Jong-Seok
    • Management Science and Financial Engineering
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    • v.20 no.1
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    • pp.1-9
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    • 2014
  • In multi-objective scheduling problems, the objectives are usually in conflict. To obtain a satisfactory compromise and resolve the issue of NP-hardness, most existing works have suggested employing meta-heuristic methods, such as genetic algorithms. In this research, we propose a novel data-driven approach for generating a single solution that compromises multiple rules pursuing different objectives. The proposed method uses a data mining technique, namely, random forests, in order to extract the logics of several historic schedules and aggregate those. Since it involves learning predictive models, future schedules with the same previous objectives can be easily and quickly obtained by applying new production data into the models. The proposed approach is illustrated with a simulation study, where it appears to successfully produce a new solution showing balanced scheduling performances.

Comparisons of Students's Associations with and Learning Objectives Statements on Illustrations of Science Textbooks Before and After the Lessons - Focusing on the Earth and Space Units of the 5th Grade in 2007 Science Curriculum - (수업 전과 후에 나타나는 학생들의 과학 교과서 삽화에 대한 연상과 학습목표 진술 비교 - 2007 개정 5학년 과학 지구와 우주 영역 -)

  • Shin, Myeong-Kyeong;Song, Tea-Hun
    • Journal of Korean Elementary Science Education
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    • v.32 no.4
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    • pp.545-556
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    • 2013
  • The purpose of this research was to enhance the understanding of scientific thinking of $5^{th}$ graders of elementary school through conducting investigative analyses on the students' associations with regard to illustrations on science textbooks and to provide basic data that are needed for the teachers teaching science in classrooms to reorganize textbook illustrations suitable to the realities of science contents and realms. In order to achieve the research purposes, subject $5^{th}$ grade students were asked to write down what they associated with the illustrations on the matter part of the $5^{th}$ science textbooks of elementary school: among 14 illustrations, a half of them were after lessons and other half from before lessons. The types of students' learning goal statements according to Bloom's taxonomy of educational objectives were compared with the learning objectives provided in teachers' guide. The differences between before and after lessons in associated words which students used responding to given illustrations were investigated. Students' responses were analyzed in terms of how their associations were consistent with what their preference of learning objectives would be as well. Students variables including their achievement levels and gender were used as group variables in order to locate their effects on differences in their associations before and after the lessons. It was found that students manipulated the given illustrations more variously with more explanations before the lessons than after. After the lessons students tended to describe the illustrations more homogeneously and made theirs stick on the given direction by the textbooks. The implications for how school teaching affected to students' perception was made.

Teachers' Perceptions about Priority and Hinderance of Science Objectives (교사들이 인식하는 과학과 목표의 영역별 중요도와 장애요인)

  • Bae, Sung-Yuhl;Park, Yune-Bae
    • Journal of The Korean Association For Science Education
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    • v.20 no.4
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    • pp.572-581
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    • 2000
  • Teachers' perceptions about curricular objectives are very important to achieve given educational objectives. This study examined teachers' perceptions about priority and hinderance of science objectives. The national science curriculum stated four areas of objectives: inquiry, knowledge, attitude, and STS. A total of 76 elementary and 217 secondary teachers were responded to questionnaire developed for this study. Non-parametric statistics, such as Friedman test, Kruskal-Wallis test, and chi-square test were used by using SPSS/PC program. Teachers in general ranked the inquiry first among the four areas at their perception on the national curriculum, on themselves, and on their instructions. Elementary teachers ranked inquiry higher than secondary science teachers, while secondary science teachers ranked knowledge higher than elementary teachers. As factors hindering teachers from achiving the objectives, elementary teachers pointed out overcrowded classroom and secondary science teachers pointed out college and university entrance examination respectively.

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A Study on the Analysis of Educational Objectives of 'Library and Information Life' Textbooks Based on the Eisner Curriculum (아이즈너 교육과정에 의한 '도서관과 정보생활' 교과서 교육목표 분석에 관한 연구)

  • Byeong-Kee Lee
    • Journal of the Korean Society for Library and Information Science
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    • v.58 no.2
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    • pp.57-80
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    • 2024
  • Eisner emphasized the importance of problem-solving objectives and expressive objectives in addition to behavioral objectives, and communication through multiple modalities including linguistic, visual, aural, spatial, gestural modes. This study analyzes 'Libraries and Information Life,' a textbook developed for information literacy instruction, by dividing it into educational objectives types(behavioral, problem-solving, expressive) and multimodal modes(linguistic, visual, auditory, spatial, and gestural), and seeks to derive implications for setting educational objectives for information literacy instruction and developing textbooks. The textbook has four volumes for elementary low-grade, elementary high-grade, middle school, and high school levels. Educational objectives were extracted from the textbooks, and 3 librarian-teachers were engaged in the analysis of these objectives. The main findings and implications of this study are as follows. First, when looking at the types of educational objectives, the proportion of behavioral objectives was found to be excessively high, and there is a need to strengthen the proportion of problem-solving objectives and expressive objectives. Second, problem-solving objectives tend to overlap with behavioral objectives, indicating a need to develop problem-solving objectives with defined conditions and solution requirements. Third, expressive objectives concentrated in specific units need to be placed evenly in other units. Fourth, in the case of multi-modality mode, the proportion of the linguistic mode must be reduced, the proportion of the visual, auditory, spatial, and gestural modes must be increased, and it is necessary to set educational objectives with clear characteristics of each mode.