• World Technopolis Review
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• 제5권1호
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• pp.30-46
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• 2016

This paper is intended as an opening of a dialog on how to apply platform thinking in the development of innovation environments. It will briefly describe a new STP (Science and Technology Park) concept called 3GSP (Third Generation Science Park), which is gaining momentum in Finland. The paper explains the fundamental changes that are currently taking place in the global innovation environment and explains why platform thinking is becoming an essential element in ecosystem development. The theoretical background and classifications of platforms are described and the benefits to be gained from STP perspective are highlighted. The paper emphasizes especially the role of so called 'competence platforms' and explains the main characteristics of a fully working competence platform. The role of competence platforms in understanding serendipity and as a fundamental factor in building the team is also highlighted. The paper analyses from STP perspective several practical examples, where platform thinking supports the emergence of new innovation environments, including Urban Mill (Finland) and Meetberlage (Netherlands). The requirements for comprehensive competence platform services are presented and their potential to support community building and therefore ecosystem development is illustrated. This analysis will provide STP practitioners with new models for applying platform thinking and will help to establish co-creation, open innovation and serendipity management practices. The case studies presented will help STP management teams to evaluate the benefits of competence platforms in different contexts.

• 대한수학교육학회지:수학교육학연구
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• 제15권2호
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• pp.147-176
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• 2005

이 글에서는 PISA 2003(Programme for International Student Assessment 2003)에 나타난 우리나라 학생들의 수학적 소양의 특징을 자세하게 살펴보고자 한다. 우리나라 학생들의 수학적 소양 평균 점수, 수학적 소양 수준의 분포, PISA 평가틀에 따른 수학적 소양 수준, 수학적 소양의 추이 분석, 남녀학생의 수학적 소양의 차이 등을 분석함으로써 우리나라 학생들의 수학적 소양의 인지적 측면을 조사하고자 한다. 또한, 우리나라 학생들의 수학 학습에의 참여, 학생들의 자신에 대한 신념, 수학에 대한 불안감, 수학 학습 전략 등을 중심으로 수학적 소양의 정의적 측면에 대해 살펴보고자 한다 그리고, 이를 바탕으로 수학교육 및 교육 정책적 시사점을 도출하고자 한다.

• 대한수학교육학회지:학교수학
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• 제9권4호
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• pp.507-521
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• 2007

본 연구는 초등학교에서의 탐구 중심 펜토마임 접근법을 이용할 때 곱셈의 개념에 대한 학생들의 기억의 보존에 관하여 조사를 하였다. 사전시험을 실시한 후 전통적으로 지도한 반과 펜토마임 접근법으로 지도한 반을 3개월 후에 어떻게 달라졌는지 알아보았다. 이 연구 결과 펜토마임 접근 방법을 사용한 반이 전통적인지도 방법을 이용한 반보다 곱셈의 개념을 보다 더 잘 기억하였고 수량적/기하적 설명을 하는데 있어서는 전통적인 지도 방법을 이용한 반과 비슷하였다. 이 연구는 특별히 초등학교 수준에서 탐구 지향적인 교수법과 같은 다양한 교수 전략을 사용할 때 수학적 개념의 이해의 유지에 어떤 영향을 주는지에 대한 시사점을 제공하였다.

• 정보교육학회논문지
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• 제12권4호
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• pp.417-425
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• 2008

이 연구의 목적은 세컨드라이프와 같은 3차원 가상현실에서 디지털 스토리텔링의 교육적인 가능성을 탐색해 보는데 있다. 세컨드라이프와 같은 가상현실은 현실 수준을 반영한 충실도를 통해 학습자들에게 풍부한 학습 환경을 제공할 수 있다. 이 연구를 위해 우리는 디지털 스토리텔링의 유형별로 재미와 이해도에 미치는 영향을 알아보고자 실험대상자 108명을 대상으로 세컨드라이프와 같은 가상현실에서 디지털스토리텔링 활동을 수행하였다. 실험 결과스토리텔링 형태에 있어서 이해에는 집단간 차이가 없지만, 재미에는 집단간 유의한 차이가 있는 것으로 나타났다. 이야기 주인공과 동질감을 느낄 수 있고 이야기와 유사한 환경을 제공하는 가상현실 활동이 학습자들의 참여를 촉진하여 재미에 중요한 영향을 미친다는 결과를 얻었다.

• 대한수학교육학회지:수학교육학연구
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• 제23권4호
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• pp.449-466
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• 2013

수학 토론은 학생들의 수학 학습 및 수학적 관행을 신장시키는 방안으로서 강조되어 왔다. 그러나, 수학 토론의 진행에 수반되는 교수 업무가 무엇인지 명시되지 않아서, 토론하는 방법을 교사들에게 가르치는데 어려움이 있다. 본 연구는 수학 토론 수업을 분석하여, 토론의 다섯 단계에 따라 수학 토론에 수반된 교수 업무를 구체적으로 구분하였다. 수학적 토론을 진행하는 주요 사안으로, 본 연구는 학생들이 중요한 수학적 아이디어를 탐험하도록 하며, 일관성있는 토론을 위해 수학적 관련성을 명백하게 밝혀야 하며, 교사 교육의 관점에서 교수 업무 분석의 중요성을 주장한다. 향후 연구로서 다양한 문제 유형에 대한 수학 토론과 관련된 교수 업무 분석을 제안한다.

• Safety and Health at Work
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• 제5권2호
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• pp.73-79
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• 2014

Background: The aim of this study was to investigate the burden experienced by nursing personnel working irregular shifts in Greece and to conduct the first test of a Greek version of the Standard Shiftwork Index (SSI). Methods: A cross-sectional survey was carried out. The SSI was completed by 365 nurses and nursing assistants working shifts, including nights. Results: Female nursing personnel and those suffering from a chronic disease were most affected by working rotating shifts as they had elevated scores on the majority of the SSI scales, such as sleep, chronic fatigue, digestive and cardiovascular problems, general health questionnaire, cognitive and somatic anxiety, shift time satisfaction, engagement and disengagement strategies, languidity, flexibility, and neurotisicm. Nurses with longer working experience and those with family responsibilities also scored higher on some of the SSI scales, such as the sleep, shift time satisfaction, social and domestic disruption, disengagement strategies, morningness, and languidity scales. Conclusion: Shiftwork affects female nurses, those with chronic disease, older age, and domestic responsibilities more severely. Therefore management should take these factors into account when designing work schedules to alleviate the burden caused by shiftwork.

• 한국수학교육학회지시리즈D:수학교육연구
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• 제23권1호
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• pp.23-45
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• 2020

Many researches proposed different models and concepts for the PCK. It is important to understand its composition. Most studies investigated the development of PCK and its influence on students' learning from the teachers' perspectives. We developed an instrument for assessing middle school students' perceptions of mathematics teachers' PCK (SPOMTPCK) to investigate the nature of PCK. Theoretical claims and empirical research in PCK were used to design questions and sub-scales for the SPOMTPCK. The face validity of the instrument was established by the expert mathematics teachers and students. A questionnaire consisting of 38 items on a five-point Likert-type scale was used for data collection from 799 middle school students. The exploratory factor analyses resulted in the development of a three-factor scale of 17 items that was proved valid and reliable, that is, pedagogical representation, understanding students and curriculum, and encouraging students' engagement. The Cronbach α coefficients of the scale was 0.935, and the Cronbach α coefficient of three factors were ranged from 0.721 to 0.912. The confirmatory factor analysis showed that the questionnaire has good construct validity and the fit indexes are good. MANOVA analysis of variance revealed that the differences in mathematics teachers' PCK identified by students of different school types and grades were statistically significant. It is a validate measurement to evaluate the perceived mathematics teachers' PCK for middle school students.

• 한국재난정보학회 논문집
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• 제15권3호
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• pp.367-379
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• 2019

연구목적: 본 연구는 기후변화에 따른 재난의 특성을 분석하여 기후위험에 대비하기 위한 관리체계를 제시함을 목적으로 한다. 연구방법: 최근 국내외 자연재난으로 인한 피해의 추이를 분석하고 기후변화에 따른 재난의 특성을 파악함으로써 기후위험을 위한 관리체계를 설계한다. 연구결과: 기후변화에 따른 위험의 불확실성과 다양한 규모의 재난을 고려할 때, 위험의 평가에서부터 목표 설정, 계획 수립, 모니터링 및 평가, 학습과 조정 등의 핵심과정을 포함하는 포괄적 기후위험 관리체계가 요구되며, 이는 이해관계자 참여를 바탕으로 지속적으로 반복되는 체계를 의미한다. 결론: 본 연구에서 제시한 포괄적 기후위험 관리체계를 효과적으로 추진하기 위해 시범사업을 통해 관리체계를 수정 및 보완하고, 필요한 제도적 여건을 마련해야 한다.

• Advances in nano research
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• 제12권5호
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• pp.489-499
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• 2022

Nanofluids have recently triggered a substantial scientific interest as cooling media. However, their stability is challenging for successful engagement in industrial applications. Different factors, including temperature, nanoparticles and base fluids characteristics, pH, ultrasonic power and frequency, agitation time, and surfactant type and concentration, determine the nanofluid stability regime. Indeed, it is often too complicated and even impossible to accurately find the conditions resulting in a stabilized nanofluid. Furthermore, there are no empirical, semi-empirical, and even intelligent scenarios for anticipating the stability of nanofluids. Therefore, this study introduces a straightforward and reliable intelligent classifier for discriminating among the stability regimes of alumina-water nanofluids based on the Zeta potential margins. In this regard, various intelligent classifiers (i.e., deep learning and multilayer perceptron neural network, decision tree, GoogleNet, and multi-output least squares support vector regression) have been designed, and their classification accuracy was compared. This comparison approved that the multilayer perceptron neural network (MLPNN) with the SoftMax activation function trained by the Bayesian regularization algorithm is the best classifier for the considered task. This intelligent classifier accurately detects the stability regimes of more than 90% of 345 different nanofluid samples. The overall classification accuracy and misclassification percent of 90.1% and 9.9% have been achieved by this model. This research is the first try toward anticipting the stability of water-alumin nanofluids from some easily measured independent variables.

• Educational Technology International
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• 제23권1호
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• pp.67-96
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• 2022

Although blogs have been used in online learning environments with optimistic expectations, the distributed nature of blogs can pose some challenges. Currently, we do not have a robust collection of tested blogging strategies to help students interact more effectively with each other when blogs are used as a primary form of engagement in an online class. Thus, the purpose of the study was to test an early iteration of an instructional blogging strategy, "Featured Student Profiles," which is designed to help students become acquainted with each other better and encourage them to visit and comment on each other's blogs. Sixteen pre-service teachers who were enrolled in an online course in which student blogs are the primary medium of peer interactions, participated in the study. Using a design case approach, seven students participated in interviews and all student blog interactions were analyzed. Thematic analysis was applied to analyze the interview data and identify salient themes of students' blogging experiences overall under the study strategy. The findings indicated that students took the most direct and efficient path they experienced to complete the blog task. Their peer interaction patterns varied, but several shifted from random to targeted relationships as the semester progressed. Although all students perceived the strategy as a positive approach to peer awareness, there was no clear evidence of its effect on student interactions.