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Lærerstudenters misoppfatninger og læring om kjemiske reaksjoner 教师对化学反应的误解与学习
Pub Date : 2021-02-02 DOI: 10.5617/NORDINA.8134
Kåre Haugan, A. Holand
This study has addressed misconceptions and the learning process of chemical reactions. 14 student teachersperformed a written test consisting of 28 multiple choice questions and after participating in fivechemistry classes the students were interviewed individually focusing on misconceptions and experiencedlearning events. Several misconceptions and hindrances for the learning of chemical reactions were identified.Some of these are previously identified, but two were more surprising; Three out of 13 studentswere confused when switching between the terms chemical “reaction” and chemical “change”, a confusiongenerated by a chemistry textbook. In addition, one student mixed up the symbolic meaning of theletter “C” in NaCl to C for the element carbon. Another student learned the profound difference betweentwo states of a substance when the symbols (aq) and (l) were used to differ between “dissolved in water”and “liquid”. Finally, the students identified dialogue and laboratory work as important for their learningof chemical reactions.
这项研究解决了误解和化学反应的学习过程。14名学生教师进行了一项由28道选择题组成的笔试,在参加了5节化学课后,学生们分别接受了采访,重点是误解和经历的学习事件。指出了学习化学反应的几个误解和障碍。其中一些是以前发现的,但有两个更令人惊讶;13名学生中有3人在化学“反应”和化学“变化”这两个词之间转换时感到困惑,这是一本化学教科书造成的困惑。此外,一名学生将NaCl中字母“C”的象征意义混淆为碳元素的C。另一名学生在用(aq)和(l)符号来区分“溶解在水中”和“液体”时,了解了物质两种状态之间的深刻差异。最后,学生们认为对话和实验室工作对他们学习化学反应很重要。
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引用次数: 0
Lärares kontextualisering av ämnesinnehåll -Hybrida kontexter i NO-undervisningen 学科内容的教师语境化——NO教学中的混合语境
Pub Date : 2021-02-02 DOI: 10.5617/NORDINA.7388
Pernilla Granklint Enochson, Eva Davidsson
Previous research has shown an increased student interest and enhanced learning when the school sciencecontent is related to other familiar contexts. This is particularly evident in intervention studies, whichaim to integrate the school science content with students’ everyday life. In this article, we analyse howteachers, in authentic situations, relate science content presented in lesson introductions to other contextssuch as everyday life or other school subjects. The data consists of observations of lesson introductionsin grade nine, from six different schools, in all eight hours of video recordings. The results point tothat teachers adopt a variety of ways in order to integrate the science content to other contexts, such asrelating to students’ everyday life, to different language perspectives or to other school subjects and therebyinitiate hybrid contexts. However, the results indicate that the teachers in this study initiate hybridcontexts to a low extent and seemingly ad hoc, in the moment. It is likely to believe that if students are tobenefit from contextualization as a means for enhancing interest and learning, learning activities need torelate science content to other relevant contexts in a more comprehensive way.
先前的研究表明,当学校的科学内容与其他熟悉的环境相关时,学生的兴趣会增加,学习也会增强。这一点在干预研究中尤为明显,该研究旨在将学校科学内容与学生的日常生活相结合。在这篇文章中,我们分析了教师如何在真实的情况下,将课堂介绍中的科学内容与其他背景(如日常生活或其他学校科目)联系起来。数据包括来自六所不同学校的九年级学生在全部八小时的视频录制中的课堂介绍观察结果。研究结果表明,教师采取了多种方式,将科学内容与其他情境相结合,例如与学生的日常生活、不同的语言视角或其他学校科目相结合,从而形成混合情境。然而,研究结果表明,本研究中的教师在较低程度上发起了混合情境,而且似乎是临时的。人们可能认为,如果学生要从情境化中受益,将其作为提高兴趣和学习的一种手段,那么学习活动就需要以更全面的方式将科学内容与其他相关情境相结合。
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引用次数: 0
‘The brain needs nutrition’: pupils’ connections between organizational levels “大脑需要营养”:小学生在组织层面之间的联系
Pub Date : 2021-02-02 DOI: 10.5617/NORDINA.7930
Alma Jahic Pettersson, Lena A.E. Tibell, Ragnhild Löfgren
Previous research suggests that connecting organizational levels of biological systems is challenging for pupils. In the present study we investigated 122 pupils’ written responses to a question in a national biology test concerning how nutrient molecules are adsorbed by the small intestine and transported to the brain. We aimed to investigate what awareness the pupils have of the connection between the digestive and circulatory systems. We mapped the pupil’s expressed knowledge by using content analysis which was performed in five steps including connection between the systems, organizational levels and scientific explanations. We found that the most correct descriptions contained the highest number of connections between the digestive and the circulatory systems and linking of the different organizational levels. The most correct descriptions included the highest proportion of the meso level. Therefore, knowledge at the meso level seems to be essential for grasping connections between macroand submicro-level processes, and connections of digestion and circulation systems.
先前的研究表明,连接生物系统的组织层次对学生来说是一个挑战。在目前的研究中,我们调查了122名学生对国家生物测试中关于营养分子如何被小肠吸收并运输到大脑的问题的书面回答。我们的目的是调查学生对消化系统和循环系统之间的联系有什么认识。我们通过使用内容分析来映射学生表达的知识,内容分析分五个步骤进行,包括系统之间的联系,组织层次和科学解释。我们发现,最正确的描述包含了消化系统和循环系统之间以及不同组织层次之间的联系。最正确的描述包括最高比例的中观水平。因此,中观水平的知识似乎对于把握宏观和亚微观水平过程之间的联系以及消化和循环系统之间的联系至关重要。
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引用次数: 2
"Should we be afraid of Ebola?" A study of students' learning progressions in context-based science teaching “我们应该害怕埃博拉吗?”基于情境的科学教学中学生学习进展的研究
Pub Date : 2021-02-02 DOI: 10.5617/NORDINA.7658
M. Lagerström, J. Piqueras, Ola Palm
In this study, we explored how learning progressions were established in a context-based science teachingunit. A science class in secondary school was followed during a teaching unit in Biology, in which theEbola disease was used as context. Teaching was planned using the didactical model organizing purposes.Learning progressions were studied as continuity between teaching purposes, the science content andthe context in four sequential lessons. The analysis of teaching evidenced a considerable variation inhow learning progressions were constituted within lessons and showed how learning progressions coulddevelop between lessons through the combination of different teaching activities. By consistently mentioningand referring to Ebola, the teacher had a pivotal role in establishing relations between teachingpurposes, the content and the context. Furthermore, our results evidence the important role of the contextin supporting students’ learning of science content. Finally, we discuss concrete actions in the planning ofthe unit to improve lessons that evidenced a weaker connection to the context.
在这项研究中,我们探讨了学习进步是如何在基于上下文的科学教学单元中建立的。在生物学的一个教学单元里,中学的一节科学课被跟踪,在这个单元里,埃博拉病毒被用作背景。教学计划采用教学模式组织目的。在四节连续课中,学习进展被研究为教学目的、科学内容和情境之间的连续性。对教学的分析表明,学习进度在课程中的构成有很大的差异,并表明学习进度如何通过不同教学活动的组合在课程之间发展。通过不断提及和提及埃博拉病毒,教师在建立教学目的、内容和背景之间的关系方面发挥了关键作用。此外,我们的研究结果证明了情境在支持学生学习科学内容方面的重要作用。最后,我们讨论了单元规划中的具体行动,以改进与上下文联系较弱的课程。
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引用次数: 1
Natursti i naturfag på videregående skole: En studie av postene og elevenes erfaringer fra en natursti om radioaktivitet og stråling 自然在高中,对自然放射性和辐射的岗位和学生体验的研究
Pub Date : 2021-02-02 DOI: 10.5617/NORDINA.6433
Elisabeth Iversen
This article explores how a nature trail can be used as an approach in science education at an uppersecondarylevel in Norway. The topic of the trail is radioactivity and radiation. The article illuminatesobstacles and possibilities connected to the trail’s posts, how the students experience the posts, and whattakes place during the transport between posts. This inspires how the nature trail can be redesigned. Thefindings point to that the assignments given in the posts are typically closed questions that to a smalldegree are related to phenomena at the location. Video observations show that student groups meeteach other, and they help each other with the questions. The student group followed in this article, usesapproximately half of the time available for walking between posts. This is regarded as unused potentialfor learning. The redesign is based on didactical reconsiderations consisting of seven questions that canbe adapted to other contexts. The contributions of this article are knowledge and experiences concerninga nature trail in science, which is an unexplored area within the field of outdoor education pedagogy.
本文探讨了如何将自然步道作为挪威高中科学教育的一种方法。追踪的主题是放射性和辐射。文章阐述了与步道帖子相关的障碍和可能性,学生如何体验帖子,以及帖子之间的运输过程中发生了什么。这启发了如何重新设计自然步道。研究结果表明,帖子中给出的任务通常是封闭式问题,在一定程度上与该地点的现象有关。视频观察显示,学生小组相互交流,互相帮助解决问题。在这篇文章中,学生小组使用了大约一半的时间在岗位之间行走。这被认为是未使用的学习潜力。重新设计是基于教学反思,包括七个可以适应其他背景的问题。本文的贡献是关于科学中自然步道的知识和经验,这是户外教育学领域中一个未探索的领域。
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引用次数: 1
Bruk av omvendt undervisning i naturfag på ungdomstrinnet 青少年自然康复的使用
Pub Date : 2021-02-02 DOI: 10.5617/NORDINA.7524
Christine Lindstrøm, Ina Camilla Lauvli Engan, KirstiMarie Jegstad
In this study, we investigated how Flipped Classroom with Just-in-Time Teaching and Peer Instructioncould be implemented in middle school science. The study was carried out over four weeks in two year 8classes (N = 60) with one teacher. Data collection comprised student completion of pre-work, responses toin-class Peer Instruction questions, and teacher interviews before, during and after the intervention. Theresults show that Flipped Classroom worked quite similarly in middle school as in higher education. Prereading made the students better prepared for and engaged in class activities, and they particularly likedthe instant feedback of Peer Instruction questions. The teacher experienced increased joy in planning andteaching her classes, and the time spent for planning did not increase significantly.
在本研究中,我们探讨了如何在中学科学教学中实施即时教学和同伴指导的翻转课堂。该研究在两届八年级班级(N = 60)进行,为期四周,由一名教师授课。数据收集包括学生完成课前工作,回答课堂同伴指导问题,以及在干预之前、期间和之后对教师的访谈。结果表明,翻转课堂在中学和高等教育中的效果非常相似。预读使学生更好地准备和参与课堂活动,他们特别喜欢同伴指导问题的即时反馈。老师在计划和教学中体验到更多的快乐,而花在计划上的时间并没有明显增加。
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引用次数: 0
Från implicit till explicit – didaktiska modeller som verktyg för att utmana selektiva traditioner rörande undersökande arbete
Pub Date : 2020-08-13 DOI: 10.5617/nordina.7280
Torodd Lunde, Michal Drechsler, Niklas Gericke
This study aims to illustrate how didactic models in science education can help in-service teachers to challenge selective traditions in a constructive way. The study was based on a teacher professional development program on inquiry-based science teaching in lower secondary school. Three didactic models were used in both lectures and group reflections to initiate reflections on different ways of interpreting the aims and content associated with inquiry-based science teaching and the consequences of these interpretations. Data was collected from a group of four teachers and consists of written documentation, recordings of group reflections and a group interview. The study shows that the three didactic models helped to make different ideas and underlying assumptions visible and that the teachers could reflect on their meaning and interpretations in a constructive way. Subsequently, the teachers could explicitly separate different ways to interpret the ideas associated with inquiry-based science teacher and make more conscious didactic choices as a result. The study shows that it can be fruitful to provide teachers with reflection tools in the form of didactic models to avoid that ideas introduced in continuing education are selectively adapted to current teaching without critical reflection.
本研究旨在说明科学教育中的教学模式如何帮助在职教师以建设性的方式挑战选择性传统。这项研究是基于一项关于初中科学探究教学的教师专业发展计划。在讲座和集体反思中使用了三种教学模式,以引发对解释基于探究的科学教学的目标和内容以及这些解释的后果的不同方式的反思。数据由四名教师组成的小组收集,包括书面文件、小组反思录音和小组访谈。研究表明,这三种教学模式有助于使不同的想法和基本假设清晰可见,教师可以以建设性的方式反思其含义和解释。随后,教师可以明确地区分不同的方式来解释基于探究的科学教师的想法,并因此做出更有意识的教学选择。研究表明,以教学模式的形式为教师提供反思工具,以避免继续教育中引入的思想在没有批判性反思的情况下选择性地适应当前的教学,这是富有成效的。
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引用次数: 1
Scientific inquiry in TIMSS and PISA 2015: Inquiry as an instructional approach and the assessment of inquiry as an instructional outcome in science TIMSS和PISA 2015中的科学探究:探究作为一种教学方法和对探究作为科学教学结果的评估
Pub Date : 2020-08-13 DOI: 10.5617/NORDINA.8029
Nani Teig
The extended abstract includes a configurative review of research on inquiry using TIMSS and PISA studies that provides a central background for the articles and a discussion about the integration and interpretation of the findings across the articles. To bridge the research gaps identified in the configurative review, the four articles address the overarching aim of the thesis by taking into account different aspects of inquiry. Article 1 investigates inquiry as an instructional approach and outcome by exploring the relationship between inquiry-based science teaching and student achievement in science. This article attempts to resolve conflicting findings of inquiry–achievement relationships by demonstrating the existence of curvilinear rather than linear patterns, as previously assumed. Article 2 addresses the research gaps in comparing inquiry as an instructional approach between primary and secondary education. It examines the interplay between teachers’ selfefficacy in teaching science and perceived time constraints in explaining the opportunities for students to engage in cognitively challenging learning activities in Grades 4, 5, 8, and 9. Article 3 presents an investigation on the assessment of inquiry as an instructional outcome. It identifies distinct profiles of students’ performance on simulated inquiry tasks that require the skills to coordinate the effects of multiple variables and to coordinate theory with evidence. While Article 3 takes a micro approach, focusing on specific scientific inquiry skills, Article 4 explores inquiry as an instructional outcome from a macro approach, taking into account a range of formal and informal reasoning skills students need to acquire in order to participate in inquiry practice. This article argues for the importance of assessing formal
扩展摘要包括对使用TIMSS和PISA研究的探究研究的配置性回顾,为文章提供了中心背景,并讨论了文章中研究结果的整合和解释。为了弥合在配置审查中确定的研究差距,这四篇文章通过考虑到调查的不同方面来解决论文的总体目标。第1条通过探究探究性科学教学与学生科学成绩之间的关系,将探究作为一种教学方法和结果进行研究。本文试图通过证明曲线模式的存在而不是线性模式(如先前假设的那样)来解决探究-成就关系的矛盾发现。第2条讨论了在小学和中学教育之间比较探究作为一种教学方法的研究差距。该研究考察了教师在科学教学中的自我效能感与感知时间限制之间的相互作用,以解释四年级、五年级、八年级和九年级学生参与认知挑战性学习活动的机会。第3条提出了对作为教学成果的探究性评估的调查。它确定了学生在模拟探究任务中表现的不同概况,这些任务需要协调多个变量的影响和协调理论与证据的技能。第3条采用微观方法,侧重于具体的科学探究技能,而第4条则从宏观方法探讨探究作为教学结果,考虑到学生为了参与探究实践而需要获得的一系列正式和非正式推理技能。本文论证了正式评估的重要性
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引用次数: 2
Oi! Sjå på den! – Funn av naturelement som utgangspunkt for utforskande naturfaglege samtalar mellom barn (5-6 år) og pedagogar 哇!穿上它!寻找自然元素作为探索儿童(5-6岁)和教师之间自然对话的基础
Pub Date : 2020-08-13 DOI: 10.5617/nordina.7396
I. Skalstad
The study examines what characterizes situations that facilitate young children´s participation in exploratory scientific dialogues in outdoor education. By using action cameras mounted to the chest of three children (5-6 years) and two pedagogues during an outdoor session, recordings of 106 scientific dialogues are identified and analyzed in terms of categories describing the communicative project (the purpose) of the dialogues. These categories are: exploring, informing/presenting, and calling for attention. Children´s findings of nature elements initiated 60% of the scientific dialogues between children and pedagogues. Children´s utterances as “Look at this!” are often starting points for these dialogues. It is showed how pedagogues can extend the dialogue by using follow-up questions and encouraging children in applying their senses when exploring their findings. The study also indicates that visiting an area that offers rich possibilities of experiences and findings of nature elements, could enhance the children´s participation in exploratory scientific dialogues.
这项研究考察了有助于幼儿参与户外教育探索性科学对话的情境特征。在一次户外活动中,通过使用安装在三名儿童(5-6岁)和两名教师胸部的动作摄像机,识别并分析了106段科学对话的录音,这些对话的类别描述了对话的交流项目(目的)。这些类别是:探索、告知/介绍和呼吁关注。儿童对自然元素的发现引发了儿童与教育者之间60%的科学对话。孩子们说的“看看这个!”通常是这些对话的起点。它展示了教师如何通过使用后续问题和鼓励儿童在探索他们的发现时运用他们的感官来扩展对话。该研究还表明,参观一个提供丰富自然元素体验和发现可能性的地区,可以增强儿童对探索性科学对话的参与。
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引用次数: 2
- From inclusive practices to personal strategies -从包容性实践到个人策略
Pub Date : 2020-08-13 DOI: 10.5617/nordina.8084
Kati Sormunen
The main purpose of this doctoral thesis is to co-design and examine digitally supported inclusive practices in science learning. Inclusive practices aim to provide quality education and quality learning opportunities for all students. Inclusive practices are characterised by process-oriented development that takes into account a student’s personal abilities and needs concerning both knowledge and competencies as well as the classroom context. Since there are very few research-based models for inclusive practices, the longitudinal educational design research (EDR) project aimed to co-design digitally supported inclusive practices at the grassroots level with researchers, teachers and students. The EDR project took place during two years in a medium-sized primary school in the capital region of Finland, where inclusive education was employed as part of teacher collaboration. The participating class (44 students; 10 students with learning difficulties [LD]) had two primary teachers and one special education teacher, the defender of this thesis. The EDR consisted of four macro-cycles, which intended to increase understanding of co-designing and implementing inclusive practices in science learning. The first macro-cycle focused on exploring possibilities for using smartphone technology in a water project. In the second macro-cycle, students used the developed personal solutions and designed collaborative solutions while studying the following science-related themes: forest, human, motions and forces, and space. In the third macro-cycle, students studied Europe and Asia, plants, human and states of matter. The participants developed further both personal solutions and collaborative solutions. Finally, the fourth macro-cycle focused on one science theme, electricity, where solutions were designed for collaborative learning and especially for active participation. The thesis is comprised of four publications that form a holistic picture of the possibilities of digital technology when considering the adaptation, use and benefits for the student both at the personal and group level. Publication I reports the results of the first macro-cycle of the EDR. Publication II discusses the benefits of using a smartphone in science learning from a student’s personal learning perspective, reflecting all four macro-cycles. Publication III describes the EDR project’s final macro-cycle, electricity project, in which students utilised personal strategies that were supported by the teacher through respectful grouping, differentiated learning tasks and a reflective discussion after lessons. Finally, Publication IV evaluates the development and implementation of the inclusive practises throughout the EDR project from the perspective of the LD students. The data was collected through video recordings of ideating sessions, questionnaires, students’ notes from the e-learning environment, the teacher’s memo and interviews; it was analysed via quantitative analysis of frequenc
这篇博士论文的主要目的是共同设计和研究科学学习中数字支持的包容性实践。包容性做法旨在为所有学生提供优质教育和优质学习机会。包容性实践的特点是以过程为导向的发展,考虑到学生在知识和能力以及课堂环境方面的个人能力和需求。由于很少有基于研究的包容性实践模式,纵向教育设计研究(EDR)项目旨在与研究人员、教师和学生在基层共同设计数字支持的包容性实践。EDR项目在芬兰首都地区的一所中型小学进行了两年,该校采用了包容性教育作为教师合作的一部分。参与班级(44名学生;10名学习困难学生[LD])有两名小学教师和一名特殊教育教师,即本文的辩护人。EDR由四个宏观周期组成,旨在增进对科学学习中共同设计和实施包容性实践的理解。第一个宏观周期的重点是探索在水利项目中使用智能手机技术的可能性。在第二个宏观周期中,学生们使用开发的个人解决方案并设计合作解决方案,同时学习以下与科学相关的主题:森林、人类、运动和力以及空间。在第三个宏观循环中,学生们学习了欧洲和亚洲、植物、人类和物质状态。参与者进一步开发了个人解决方案和协作解决方案。最后,第四个宏观周期侧重于一个科学主题,即电力,其中的解决方案是为协作学习,特别是积极参与而设计的。本论文由四篇出版物组成,在考虑个人和团体层面的适应、使用和对学生的好处时,这些出版物对数字技术的可能性形成了一个整体。出版物I报告了EDR的第一个宏周期的结果。出版物II从学生的个人学习角度讨论了在科学学习中使用智能手机的好处,反映了所有四个宏观周期。出版物III描述了EDR项目的最后一个宏观周期,即电力项目,在该项目中,学生通过尊重的分组、差异化的学习任务和课后反思性讨论,利用教师支持的个人策略。最后,出版物IV从LD学生的角度评估了EDR项目中包容性实践的发展和实施情况。数据是通过构思会议的视频记录、问卷调查、学生在电子学习环境中的笔记、教师备忘录和访谈收集的;通过频率的定量分析、内容的定性分析和共现网络分析对其进行了分析。作为其理论贡献,本文将科学学习中包容性实践的两个框架编织在一起。首先,数字支持的包容性科学学习通过多模式的使用,通过内容、过程和产品的差异化,支持学生的个人学习。教师在准备合作学习项目时采用学生的个人策略,尤其是在过程和产品层面。鉴于包容性的目标,教师在这一过程中的支持应旨在为学生需要各种能力的合作活动提供强化支持和结构化指导。其次,这样一个长期的、反思性的、共同设计的项目既支持数字技术的使用,也支持包容性实践的发展。LD学生受益于在学习中以过程为导向、全面、结构化和反思性地使用技术。学生数字能力的差异为课堂带来了一个新的元素,同时也为学术知识带来了新的元素。这两者都肯定了LD学生在课堂上的社会地位。论文强调,一个长期的共同设计项目既可以发展教学实践,也可以让学生发展个人学习,从而促进基层的包容性教育。
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引用次数: 9
期刊
Nordic Studies in Science Education
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