• 한국초등과학교육학회지:초등과학교육
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• 제31권3호
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• pp.347-357
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• 2012

The focus of this dissertation is on the comparative Analysis of Questions in the 'Matter Units of Elementary Science Textbook between the 7th Curriculum and the Revised Curriculum Year 2007. The results of the comparative Analysis in the dissertation are as follows: There were more closed questions than open questions in these elementary science textbooks both of the 7th Curriculum and the Revised Curriculum Year 2007. Cognitive-memory questions were the most frequently asked in all grade levels. In the Revised Curriculum Year 2007, Convergent thinking questions presented with higher rate than the 7th Curriculum. Divergent thinking questions and evaluative thinking questions was presented with a relatively lower rate than the 7th Curriculum. Question types were applied based on the characteristics of each unit rather than on children's developmental characteristics.

• 제어로봇시스템학회논문지
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• 제15권1호
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• pp.111-119
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• 2009

For daily life interaction with human, robots need the capability of encoding and storing cognitive information and retrieving it contextually. In this paper, spatiotemporal grounding of cognitive information for a language based cognitive system is presented. The cognitive information of the event occurred at a robot is described with a sentence, stored in a memory, and retrieved contextually. Each sentence is parsed, discriminated with the functional type of it, and analyzed with argument structure for connecting to cognitive information. With the proposed grounding, the cognitive information is encoded to sentence form and stored in sentence memory with object descriptor. Sentences are retrieved for answering questions of human by searching temporal information from the sentence memory and doing spatial reasoning in schematic imagery. An experiment shows the feasibility and efficiency of the spatiotemporal grounding for advanced service robot.

• 과학교육연구지
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• 제36권2호
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• pp.167-185
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• 2012

본 연구는 생물 예비교사의 과학수업모형을 적용한 수업시연에 나타난 질문 유형을 분석하여 수업 전문성 향상을 위한 개선점을 찾는데 목적이 있다. 질문 유형을 분석하기 위한 질문 분석틀은 크게 범주1(인지적 영역질문, 탐구기능질문, 정의적 영역 질문), 범주2(반복질문, 범위를 좁히는 질문, 연습 질문), 범주3(학생활동 진행 질문, 기억 질문, 사고 질문) 질문 유형으로 구분되었다. 5가지 과학수업 모형을 적용한 생물 예비교사의 질문 유형을 분석한 결과, 인지적 영역질문과 기억질문이 가장 높은 빈도를 나타냈다. 순환학습모형에서는 인지적 영역 질문이 가장 많이 나타났고, 특히, 학생활동 진행형 질문은 순환학습모형의 '1차 개념도입단계'와 실험을 수행한 '2차 탐색단계'에서 많이 사용되어 단계의 특징을 나타내고자 하였다. 발견학습모형은 관찰과 측정, 분류, 일반화 과정이 통합되어 있으나 수업시연에서는 기억질문이 많았고, 탐구기능 질문의 비중이 낮게 나타났다. 탐구학습모형에서도 기억질문이 많았고, 다른 수업모형에 비해 탐구기능 질문이 탐구학습모형의 '실험설계단계'와 '실험단계'에서 많이 나타났다. STS수업모형에서는 정의적 영역질문과 사고질문이 다른 수업모형에 비해 많이 나타났다. 개념변화학습모형에서는 기억질문을 많이 사용하여 개념변화학습모형의 모든 단계에서 학생들의 오개념을 자극하고 과학적 개념의 수정에 많은 도움을 주었다.

• 음성과학
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• 제8권4호
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• pp.119-129
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• 2001

Language is one aspect of cognition, along with attention and concentration, learning and memory, visuospatial abilities, and executive function. The purpose of this study was to determine the effect of language intervention by cognitive approach on language expressive performance in a patient with conduction aphasia. This study used several tasks such as Attention and concentration task, visual memory tasks, memory tasks, categorization, divergent thinking, self-monitoring and evaluate thinking. The effects of treatment were evaluated by periodic probing of both trained and untrained familiar words in three tasks; picture naming, answering to questions and telling stories. The results showed improvements both in trained and untrained words. Therefore, we concluded that expressive language performance of this aphasic patient is amenable to this intervention, and that cognitive therapy approach can be useful.

• 한국수학교육학회지시리즈A:수학교육
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• 제57권2호
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• pp.137-155
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• 2018

From the assumption that an individual's working memory capacity is limited, the cognitive load theory is concerned with providing adequate instructional design so as to avoid overloading the learner's working memory. Based on the cognitive load theory, this study aimed to provide implications for effective problem-based collaborative teaching and learning design by analyzing the level of middle school students' cognitive load which is perceived according to the problem types(short answer type, narrative type, project) in the process of collaborative problem solving in middle school function part. To do this, this study analyzed whether there is a relevant difference in the level of cognitive load for the problem type according to the math achievement level and gender in the process of cooperative problem solving. As a result, there was a relevant difference in the task burden and task difficulty perceived according to the types of problems in both first and second graders in middle schools students. and there was no significant difference in the cognitive effort. In addition, the efficacy of task performance differed between first and second graders. The significance of this study is as follows: in the process of collaborative problem solving learning, which is most frequently used in school classrooms, it examined students' cognitive load according to problem types in various aspects of grade, achievement level, and gender.

• 제어로봇시스템학회논문지
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• 제15권11호
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• pp.1115-1121
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• 2009

For HRI (Human-Robot Interaction) in daily life, robots need to recognize non-rigid objects such as clothes and blankets. However, the recognition of non-rigid objects is challenging because of the variation of the shapes according to the places and laying manners. In this paper, the cognition of non-rigid object based on a cognitive system is presented. The characteristics of non-rigid objects are analysed in the view of HRI and referred to design a framework for the cognition of them. We adopt a linguistic cognitive system for describing all of the events happened to robots. When an event related to the non-rigid objects is occurred, the cognitive system describes the event into a sentential form and stores it at a sentential memory, and depicts the objects with a spatial model for being used as references. The cognitive system parses each sentence syntactically and semantically, in which the nouns meaning objects are connected to their models. For answering the questions of humans, sentences are retrieved by searching temporal information in the sentential memory and by spatial reasoning in a schematic imagery. Experiments show the feasibility of the cognitive system for cognizing non-rigid objects in HRI.

• 한국초등과학교육학회지:초등과학교육
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• 제26권5호
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• pp.551-557
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• 2007

The purpose of this study was to examine the questions in the 'Matter' units of elementary science textbooks under the 7th curriculum. For the analysis, a total of 338 questions were extracted from 15 units. Six criteria (recalling, recognizing, predictive, applied, divergent, and evaluative question) were reconstructed for textbook question analysis based on Blosser(1973)'s question category system for science. The results were as follows. First, there were more closed (recalling, recognizing, predictive, or applied) questions (72.2%) than open (divergent or evaluative) questions (27.8%) in elementary science textbooks. Second, cognitive-memory (recalling or recognizing) question type was the most frequently asked in all grade levels. Open (divergent or evaluative) questions increased according to grade level whereas convergent (predictive or applied) questions decreased. Third, question types were applied based on the characteristics of each unit rather than on children's developmental characteristics. Educational implications were discussed based on the results.

• 한국수학교육학회지시리즈D:수학교육연구
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• 제17권3호
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• pp.199-220
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• 2013

The main objective of this study is to explore the relationship between psychological factors (i.e. math anxiety, attention, attitude, Working Memory Capacity (WMC), and Field dependency) and students' mathematics problem solving based on Revised Bloom Taxonomy. A sample of 169 K11 school girls were tested on (1) The Witkin's cognitive style (Group Embedded Figure Test). (2) Digit Span Backwards Test. (3) Mathematics Anxiety Rating Scale (MARS). (4) Modified Fennema-Sherman Attitude Scales. (5) Mathematics Attention Test (MAT), and (6) Mathematics questions based on Revised Bloom Taxonomy (RBT). Results obtained indicate that the effect of these items on students mathematical problem solving is different in each cognitive process and level of knowledge dimension.

• 인지과학
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• 제14권2호
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• pp.27-35
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• 2003

The present study, focusing on the stress-shift constructions, examines the tendency of young children to give wrong wide scope interpretation in language acquisition and questions the validity of the guess pattern hypothesis argued by Grodzinsky & Reinhart (1993). According to the hypothesis, children know that they have to construct a reference-set, keep two representations in working memory, and check whether the interpretation needed in the given context justifies selection of competing reference sets, but their working memory is not big enough to hold the materials needed to complete the execution of this task. Hence they give up and resort to a guess. 1 carried out an experiment of 16 Korean children aged 3;9 to 6;2 to find out whether children have more difficulty in the interpretation of stress-shift constructions than of constructions with a nuclear stress, and therefore perform the interpretation of the former by guessing. Assuming that the tendency is caused by a deficiency in contextual computation rather than reference set computation, I try to explain it in terms of pragmatic considerations.

• 한국수학교육학회지시리즈A:수학교육
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• 제52권1호
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• pp.19-41
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• 2013

What is the foundation of mathematical thinking? Is it logic based symbolic language system? or does it rely more on mental imagery and visuo-spatial abilities? What kind of neural changes happen if someone's mathematical abilities improve through practice? To answer these questions, basic cognitive processes including long term memory, working memory, visuo-spatial perception, number processes are considered through neuropsychological outcomes. Neuronal changes following development and practices are inspected and we can show there are neural networks critical for the mathematical thinking and development: prefrontal-anterior cingulate-parietal network. Through these inquiry, we can infer the answer to our question.