• 한국초등과학교육학회지:초등과학교육
• /
• 제37권3호
• /
• pp.233-253
• /
• 2018

Since open inquiry of science was formally introduced at the 2007 Revised Science Curriculum Course, the purpose and effect of it has been positively evaluated, and it is underlined continuously until the revised science education course in 2015. However, through many previous studies, there is still a lack of awareness of open inquiry of both students and teachers in the field, and it was revealed they are continually appealing confusion and difficulties. Therefore, in this research, we analyzed the causes that make it difficult to execute open inquiry, and developed differentiated open inquiry guide materials that can contribute to the realization of teachers and students. They were developed by the brain-based evolutionary approach to provide students with authentic science. The brain-based evolutionary approach is reflecting the evolutionary attributes and the brain functions associated activities of scientists. It was revealed that, in the same way as the pilot test results, the usefulness of the differentiated guide materials were very high, and there was a statistically significant difference in the science attitude. It was found that the application of the brain-based evolutionary approach had positively influenced the stage of determining the inquiry themes, and self-confidence that could be able to do as a scientist. Analysis of top and sub group types on the basis of inquiry ability showed that both groups are improved at science attitude by the differentiated guide materials. There was a positive effect on change in the self-perception of scientific creativity. We were able to see a positive change in the post survey for open inquiry-efficacy. The developed differentiated open inquiry guide materials contributed to the improvement of open inquiry-efficacy for both the teacher and student.

• Molecules and Cells
• /
• 제27권5호
• /
• pp.515-523
• /
• 2009

To infer the monophyletic origin and phylogenetic relationships of the order Desmoscolecida, a unique and puzzling group of mainly free-living marine nematodes, we newly determined nearly complete 18S rDNA sequences for six marine desmoscolecid nematodes belonging to four genera (Desmoscolex, Greeffiella, Tricoma and Paratricoma). Based on the present data and those of 72 nematode species previously reported, the first molecular phylogenetic analysis focusing on Desmoscolecida was done by using neighbor joining (NJ), maximum parsimony (MP), maximum likelihood (ML) and Bayesian inference (BI) methods. All four resultant trees consistently and strongly supported that the family Desmoscolecidae forms a monophyletic group with very high node confidence values. The monophyletic clade of desmocolecid nematodes was placed as a sister group of the clade including some members of Monhysterida and Araeolaimida, Cyartonema elegans (Cyartonematidae) and Terschellingia Iongicaudata (Linhomoeidae) in all the analyses. However, the present phylogenetic trees do not show any direct attraction between the families Desmoscolecidae and Cyartonematidae. Within the monophyletic clade of the family Desmoscolecidae in all of the present phylogenetic trees, there were consistently observed two distinct subgroups which correspond to the subfamilies Desmoscolecinae [Greeffiella sp. + Desmoscolex sp.] and Tricominae [Paratricoma sp. + Tricoma sp].

• 대한지구과학교육학회지
• /
• 제3권3호
• /
• pp.191-197
• /
• 2010

Students' emotional attitude not only affects their achievement in a meaningful way but also is an important educational goal in its own right. This research investigated how students' interest in science varies among elementary, middle and high-school students based on a survey and reviews of previous research results. We analyzed students learning attitude in terms of interest in and enjoyment of science, instrumental motivation in science, science learning anxiety, and self-concept in science. Major findings are students showed more negative attitudes in intrinsic motivation, instrumental motivation, value perception of science, and confidence in science as they move in to a higher school level. According to students' explanation, science classes got bored in a higher grade because of difficult contents, lack of experiments and activities, and teachers' monotonous explanations. Based on the results, recommendations on how to improve students' attitudes towards science are suggested. First of all we need to secure more science instructional hours in the school curriculum than the 7th national curriculum to implement improved science teaching and learning methods.

• 한국초등과학교육학회지:초등과학교육
• /
• 제28권1호
• /
• pp.9-23
• /
• 2009

This research defined professionality of science teacher from the perspective of PCK. An teaching strategy in the in-service teacher training for the gifted education was proposed based on the definition and implemented at an in-service teacher training program for the gifted education in order to explore about the teaching strategy and suggest practical implications that could improve the program. The in-service teacher training teaching strategy proposed in this research consists of three components: 'crafting activity materials', 'conducting inquiry-based experiment', 'developing rubric for identification of giftedness'. The survey carried out for the participants of the teacher training program showed that teachers perceived the importance of the need for the rubric for gifted identification, developing activity materials for the gifted education in science, and developing the rubric of gifted identification as properties for in-service teacher training programs fur the gifted education. However, the insufficiency of time and opportunities for being fully engaged in such a program made teachers feel lack of self-confidence in developing activity materials for the gifted education in science and rubric for gifted identification. Therefore, teacher training programs reflecting real features of the gifted education should be constantly developed and provided to enhance the effectiveness of in-service teacher training programs.

• 대한지구과학교육학회지
• /
• 제3권3호
• /
• pp.175-183
• /
• 2010

The purpose of this study was to examine about effect for class of disadvantaged gifted student. For this, twenty-one item-questionnaires were giver to fifty three students at third graders in four elementary gifted schools located in Ulsan. The result of this study were as follows: First, the elementary school cognitive aspects of disadvantaged gifted class from the result of the effectiveness, 3rd grade students surveyed were all positive. Most of the students about help in learning, record enhancement, presentation skills, resources utilization, problem solving, study skills, creativity and confidence in learning in 77.3% of students answered that they had a positive influence Second, the elementary school affective aspects of disadvantaged gifted calss from the result of the effectiveness, 3rd students surveyed were all positive. Most of students about study habits, attitude, interest in studying, studying aspects related to the confidence and positive in 67.3% of students answered that they were affected. Third, the elementary school social and cultural aspects of disadvantaged gifted class from the result of the effective, 3rd students surveyed were all positive. Most of the students about teachers, students, parents, and efficient use of time for study 70.9% of students answered that they had a positive influence. Fourth, the elementary school private aspects of disadvantaged gifted class from the result of the effective, 3rd grade students surveyed were all positive. Most of the students about reliance on private tutoring classes, interest, record enhancement in 65.1% of students answered that they had a positive influence.

• 대한영양사협회학술지
• /
• 제12권3호
• /
• pp.243-253
• /
• 2006

The purpose of this study was to investigate dietitians' needs of teaching materials about nutrition education for school children in Kyonggi and Chungnam(including Daejeon) areas. This study was carried out using questionnaires via e-mail or in class to the subjects of 166 elementary school dietitians as 68 in Kyonggi and 98 in Chungnam. The number of small(less than 700 meals), medium(700-1400 meals) and large(over 1400 meals) schools based on served meals daily were 48, 62 and 56, respectively. The results are as follows: Frequency of nutrition education for students as well as for teachers was samely very low as 'once per two months' and the education used to perform during lunch time mostly. For preparing nutrition education they obtained informations from the internet(64.0%). The main topics of nutrition education they used to covered were 'et's eat breakfast', 'table manners', 'the relations of body and nutrients', 'food waste', 'foods and calorie', etc.. The largest limit of nutrition education practices faced by school dietitians were pointed out as 'lacks of teaching materials' and 'counseling techniques'. Most dietitians wanted CD or substantial teaching materials for the practices, and required their contents covering 'cooking', 'food and calories', 'let’s eat various foods', 'relations of body and nutrients', 'regular meal is important’ and etc.. Since we expect nutrition teachers to be realized soon, nutrition education/counseling is emphasized more as their duty. Even though school dietitians revealed poor self-confidence, they were positive to get improved by reeducation of nutrition counseling methods and skills. If easy and suitable education materials(CD type) are developed as good as the school dietitians desired, the materials could contribute much to better nutrition education/counseling practices at schools.

• International Journal of Computer Science & Network Security
• /
• 제22권5호
• /
• pp.220-224
• /
• 2022

The teacher is considered the cornerstone of the educational process; the quality of education is linked mainly to teachers who perform such a necessary process. The shift in pedagogical thinking has led to progress in looking at the teacher's roles; he is no longer transferring knowledge to learners, but instead, he has become a mentor, a mediator, a planner, an intellect, and a leader. If we analyze these missions from the perspective of mental habits, we will see that they require the teacher to develop the skills of perseverance, listening comprehension, thinking flexibly, controlling emotions, self-confidence, communication skills, and other essential skills. The current research verifies the effectiveness of an instructional program based on web quests in developing habits of the mind of English language students. The study employed a quasi-experimental design. The sample consisted of 46 male students representing two classes. They were assigned randomly into an experimental group (n=24) and a control group (n=22). They were undergraduate students majoring in the English language. The findings showed a statistically significant difference in the mean scores of the experimental and control groups favoring the experimental group. The study concludes with some recommendations to differentiate teaching techniques in EFL classrooms.

• 한국콘텐츠학회논문지
• /
• 제5권5호
• /
• pp.273-280
• /
• 2005

21세기의 정보과학기술의 발달은 학교교실의 교수-학습활동에도 큰 영향을 주고 있다. 현재 학교교실수업은 멀티미디어 교수-학습콘텐츠를 주로 이용하여 이루어지고 있다. 교수자들은 멀티미디어를 활용한 교수매체 및 내용의 효과성에 대한 근거를 인지하지 못하고 있는 경우가 많다. 본 연구에서는 멀티미디어 교수-학습콘텐츠의 효과성을 인지심리학적 관점에서 분석 검증해 보고자 하였다. 본 연구의 주요 연구방법은 관련 주요 연구자들의 연구를 종합 분석하는 것이다. 멀티미디어 교수-학습콘텐츠 효과의 근거로서는, 인간 정보처리의 이중부호화, 학습의 방향과 속도조절기능, 그 외의 교육적 장점 등을 제시하였다. 멀티미디어 교수-학습콘텐츠의 효과성에 대한 이론적 확신은 교수자 및 학습자들로 하여금 그들이 사용하는 교육내용 및 매체에 대한 믿음으로 작용하여 학습의 양적, 질적 증대로 이어지게 될 것으로 기대된다.

• 한국과학교육학회지
• /
• 제30권5호
• /
• pp.576-593
• /
• 2010

본 연구는 예비과학교사를 대상으로 과학기술 윤리 교육의 현황을 파악하고, 이들의 과학기술 윤리 인식 및 초중등 교육현장에서의 윤리교육의 필요성에 대한 인식을 조사하기 위한 것이다. 이를 위하여 전국 5개 지역에 위치한 6개 교육대학 및 사범대학에 재학 중인 예비과학교사 594명을 대상으로 설문조사를 실시하였다. 설문지 문항은 1) 과학기술 윤리교육에 대한 수강 경험, 2) 과학기술 윤리에 대한 인식, 3) 초중등과학기술 윤리교육에 대한 인식의 3개 영역, 총 35문항(Likert 5점 척도, 선택형, 서술형)으로 구성되었다. 연구 결과, 전체 응답의 37.4%는 과학기술 관련 정보를 방송매체를 통해 얻는다고 하였으며, 학교를 통해 얻는 비율은 이보다 낮은 23.5%로 나타났다. 대학에서 개설된 과학기술 윤리 관련 강좌를 수강한 비율도 전체의 8.4%에 불과하여 예비과학교사 대상의 과학기술 윤리교육의 부재가 심각함을 알 수 있었다. 또한 과학기술 윤리에 대한 자신감도 평균 이하(Mean=2.73)로 나타났다. 그러나 실제 이들의 과학기술 윤리 인식은 모든 항목에 대해 평균 이상(최소값=3.34, 최대값=4.58)로 전반적으로 높은 것을 알 수 있었다. 이러한 과학기술 윤리 인식은 중등 예비과학 교사에 비해 초등 예비교사가 더 높았다(p<.05). 초중등 과학기술 윤리교육에 대한 인식은 모든 항목에 대해 초중등 예비과학교사 모두 평균 4.0 이상으로 높게 인식하고 있었다. 과학기술 윤리교육이 실시되어야 하는 교과목은 과학이 62.4%로 가장 높았으며, 도덕 윤리(29.1%)가 다음으로 높았다. 과학기술 윤리 교육에 효과적인 수업의 형태로는 사례제시(43.5%), 토론 중심의 수업(41.4%)을 선택하였다. 서술형 응답에서도 많은 예비과학교사들이 과학기술 윤리교육이 실제적이고 현실적인 사례에 대한 토론 중심의 수업으로 진행되어야 함을 강조하였다.

• 한국과학교육학회지
• /
• 제32권2호
• /
• pp.331-345
• /
• 2012

이 연구는 중등 과학영재교육에서 초임 교사의 수업 전문성 제고 전략으로써의 멘토링 적용에 관한 사례연구로, 멘토링 과학영재수업의 특징을 수업 계획, 수업 진행, 수업 평가, 멘토링 적용 후 단계로 나누어 분석했다. 한 명의 멘토와 두 명의 멘티를 선정한 후, 멘티별로 중등 과학영재수업 중에서 총 3회에 걸친 9차시의 수업에 대해 멘토링을 실시했다. 모든 수업을 관찰했고, 수업 촬영 동영상과 수업 자료, 멘토링 및 면담 녹음 자료, 참관 노트 등을 분석했다. 연구 결과, 멘토링 과학영재수업의 특징으로 수업 계획 단계에서는 좀 더 체계적인 과학영재수업 구성, '과학영재수업=약간 어려운 실험수업'이라는 도식의 탈피와 다양한 교수전략 도입, 과학영재교육 프로그램 개발에 대한 심리적 부담감에 영향, 과학영재수업 준비 시간의 증가 등이 나타났다. 수업 진행 단계의 특징으로는 과학 영재수업의 질 향상, 수업 진행에 대한 심리적 부담감에 영향, 수업 진행의 혼선 초래 등이 있었다. 수업 평가 단계의 특징은 수업에 대한 심도 깊은 반성 기회제공, 실제적인 수업 개선의 동력 제공으로 분류할 수 있었다. 멘토링 적용 후 단계의 특징으로는 멘티의 과학영재수업에 대한 자신감 증가, 멘토의 수업 전문성 및 멘토링 기술 일부 향상 등이 나타났다.