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1.
This article reports a study of the knowledge of experienced science teachers in the context of a reform in science education in The Netherlands. The study focused on a major goal of the reform, that is, improving students' knowledge and abilities in the field of models and modelling in science. First, seven teachers of biology and chemistry were interviewed about the teaching and learning of models and modelling in science. Next, a questionnaire was designed consisting of 30 items on a Likert-type scale. This questionnaire was completed by a group ( n = 74) of teachers of biology, chemistry and physics. Results indicated that the teachers could be grouped in two subgroups, who differed in terms of their self-reported use of teaching activities focusing on models: one sub-group applied such activities substantially more often than the other sub-group. This distinction appeared not to be related to the teachers' subject, or teaching experience. Moreover, the use of teaching activities seemed only loosely related to the teachers' knowledge of their students, particularly, students' views of models and modelling abilities. Implications for the design of teacher education are discussed. 相似文献
2.
A new science curriculum, with a significant emphasis on modelling, was recently adopted in Danish lower secondary education. The theoretical intentions behind the new curriculum include substantial changes to how teachers should address models and modelling in their practice. The purpose of this study is to analyse the alignment between the intentions and arguments for integrating models and modelling into science education, on the one hand, and teachers’ practices and rationales for integrating models and modelling into their teaching practice, on the other. First, this study outlines a theoretical competence-oriented modelling framework. This framework describes what kind of knowledge and practice of models and modelling needs to be integrated into teaching to accomplish a competence-oriented approach in this regard. Second, against the background of this framework, we conducted an empirical study of three teacher-teams’ talk about modelling and their practice of integrating models and modelling in their teaching. Our findings suggest that the participating teachers’ practices and rationales for integrating models and modelling into their teaching are characterised by a product-oriented approach that is not well aligned with competence-oriented teaching. Finally, we provide ideas for improving the alignment between theoretical intentions and teachers’ practice, targeted at science educators and curriculum designers.
相似文献3.
Margaret Goddard Spear 《International Journal of Science Education》2013,35(4):369-377
In this paper, the role of modelling in the teaching and learning of science is reviewed. In order to represent what is entailed in modelling, a 'model of modelling' framework is proposed. Five phases in moving towards a full capability in modelling are established by a review of the literature: learning models; learning to use models; learning how to revise models; learning to reconstruct models; learning to construct models de novo . In order to identify the knowledge and skills that science teachers think are needed to produce a model successfully, a semi-structured interview study was conducted with 39 Brazilian serving science teachers: 10 teaching at the 'fundamental' level (6-14 years); 10 teaching at the 'medium'-level (15-17 years); 10 undergraduate pre-service 'medium'-level teachers; 9 university teachers of chemistry. Their responses are used to establish what is entailed in implementing the 'model of modelling' framework. The implications for students, teachers, and for teacher education, of moving through the five phases of capability, are discussed. 相似文献
4.
Abraham Blum 《International Journal of Science Education》2013,35(2):213-215
This paper focuses on students' ability to transfer modelling performances across content areas, taking into consideration their improvement of content knowledge as a result of a model-based instruction. Sixty-five sixth grade students of one science teacher in an urban public school in the Midwestern USA engaged in scientific modelling practices that were incorporated into a curriculum focused on the nature of matter. Concept-process models were embedded in the curriculum, as well as emphasis on meta-modelling knowledge and modelling practices. Pre–post test items that required drawing scientific models of smell, evaporation, and friction were analysed. The level of content understanding was coded and scored, as were the following elements of modelling performance: explanation, comparativeness, abstraction, and labelling. Paired t-tests were conducted to analyse differences in students' pre–post tests scores on content knowledge and on each element of the modelling performances. These are described in terms of the amount of transfer. Students significantly improved in their content knowledge for the smell and the evaporation models, but not for the friction model, which was expected as that topic was not taught during the instruction. However, students significantly improved in some of their modelling performances for all the three models. This improvement serves as evidence that the model-based instruction can help students acquire modelling practices that they can apply in a new content area. 相似文献
5.
Pey-Yan Liou 《Research in Science & Technological Education》2013,31(2):162-181
Background: In Bangladesh, a common science curriculum caters for all students at the junior secondary level. Since this curriculum is for all students, its aims are both to build a strong foundation in science while still providing students with the opportunities to use science in everyday life – an aim consistent with the notion of scientific literacy.Purpose: This paper reports Bangladeshi science teachers’ perspectives and practices in regard to the promotion of scientific literacy.Sample: Six science teachers representing a range of geographical locations, school types with different class sizes, lengths of teaching experience and educational qualifications.Design and method: This study employed a case study approach. The six teachers and their associated science classes (including students) were considered as six cases. Data were gathered through observing the teachers’ science lessons, interviewing them twice – once before and once after the lesson observation, and interviewing their students in focus groups.Results: This study reveals that participating teachers held a range of perspectives on scientific literacy, including some naïve perspectives. In addition, their perspectives were often not seen to be realised in the classroom as for teachers the emphasis of learning science was more traditional in nature. Many of their teaching practices promoted a culture of academic science that resulted in students’ difficulty in finding connections between the science they study in school and their everyday lives. This research also identified the tension which teachers encountered between their religious values and science values while they were teaching science in a culture with a religious tradition.Conclusions: The professional development practice for science teachers in Bangladesh with its emphasis on developing science content knowledge may limit the scope for promoting the concepts of scientific literacy. Opportunities for developing pedagogic knowledge is also limited and consequently impacts on teachers’ ability to develop the concepts of scientific literacy and learn how to teach for its promotion. 相似文献
6.
A semi-structured interview was used to enquire into the knowledge of models and modelling held by a total sample of 39 Brazilian science teachers working in 'fundamental' (ages 6-14 years) and 'medium' (ages 15-17 years) schools, student teachers, and university teachers. This paper focuses on their perceptions of the role of models in science teaching. The teachers' ideas are organized in three groups: the status and value of models; the influences that inform the translation of these general ideas into classroom practice; and how they respond to the outcomes of students' modelling activities. The teachers interviewed generally showed an awareness of the value of models in the learning of science but not of their value in learning about science. They were also uncertain of the relationship that could exist in the classroom between various types of models. Modelling, as an activity by students, whilst praised in theory, would not seem to be widely practised. Where practised, the outcomes are by no means always treated with that integrity that learning about science would call for. 相似文献
7.
Background and purpose: To date, there has been little research on the Teacher Professional Development (TPD) for delivering a mobile technology-supported science curriculum. To address this, a TPD model for a science curriculum supported by mobile technology was developed and evaluated in this paper. The study reported focuses on the establishment of the TPD model and exploration of its impact on teacher behaviors in the curriculum implementation.
Sample, design, and methods: In the study, two representative science teachers’ implementation of the science curriculum was presented together with an in-depth study of the TPD sessions. The data from the teacher-led PD working sessions, classroom observation and teacher interview were collected. Mixed methods and case study were used to analyze the teacher performance on the PD working sessions and on the curriculum implementation.
Results: Our findings suggested that teachers benefited from the structured TPD which provided opportunities for sharing, extensive feedback, and reflection of the curriculum implementation. It showed that teachers had transformed questioning from traditional ways into constructivist-oriented patterns in the classroom. More student-centered activities were conducted and complemented with teachers’ various scaffolds for learning. Analysis of learning artifacts attested to improvements in students’ conceptual understanding of science.
Conclusion: TPD refers to a continuing and dynamic system for PD which needs to be changed and elaborated based on teacher needs, school context and the problems and challenges encountered in the teaching practice. TPD development and teachers’ growth in the belief and competences on the instruction constitute a mutual evolution process. Their evolution could guarantee the apt enactment and spread of the curriculum innovation to impact depth, to sustain and to spread. 相似文献
8.
This study examines the classroom talk about models and modelling of two secondary science teachers implementing a model-based inquiry instructional unit. The goal was to better understand the opportunities for explicit metamodeling talk in the science classroom. The findings revealed the ways in which they used language to frame the modelling work of the classroom. Instances of modelling talk were identified in classroom videos, and coded using a framework for metamodeling knowledge. Findings revealed that, while instances of metamodeling talk were common, they were largely implicit. This shows that the teachers were aware and knowledgeable about metamodeling ideas (e.g. the nature of models, process of modelling, etc.), but often did not make these ideas explicit to their students. Such findings suggest a trend of focusing on models of phenomena rather than supporting student engagement in the epistemic practice of modelling for reasoning about phenomena. The findings also revealed specific opportunities for explicit metamodeling talk by the teachers including during share-out sessions and the negotiation of explanation criteria. Further implications for classroom practice and research are discussed. 相似文献
9.
《Teaching and Teacher Education》2006,22(4):437-450
Models play an important role in science education. However, previous research has revealed that science teachers’ content knowledge, curricular knowledge, and pedagogical content knowledge on models and modelling are often incomplete or inadequate. From this perspective, a research project was designed which aimed at the development of beginning science teachers’ knowledge in this domain. In this project, the Interconnected Model of Teacher Professional Growth [Clarke, D., & Hollingsworth, H. (2002). Teaching and Teacher Education, 18(8), 947–967] was used as the basic framework for the establishment of the relationships between the different data gathered in characterising teachers’ knowledge on models and modelling. In this paper, the whole framework of the research is presented, as is some evidence of how powerful this framework was in helping us to understand the development of the teachers’ knowledge. 相似文献
10.
ABSTRACTResearch suggests that it is challenging for elementary students to develop conceptual understanding of trait variation, inheritance of traits, and life cycles. In this study, we report on an effort to promote elementary students’ learning of hereditary-related concepts through scientific modelling, which affords opportunities for elementary students to generate visual representations of structure and function associated with heredity. This study is part of a four-year design-based research project aimed at supporting students’ learning about life science concepts using corn as a model organism. Study data were collected during the implementation of a project-developed, multi-week, model-based curriculum module in eight third-grade classrooms located in the Midwestern United States. Through mixed methods research, we analysed video recorded observations of curriculum implementation, student artefacts, and student interviews. Results illustrate epistemic dimensions of model-based explanations (MBEs) for heredity that students prioritised, as well as significant variation in students’ MBEs in 2 of the 8 classrooms. While findings show neither students’ content knowledge nor model-based instruction associated with their MBEs, qualitative differences in teachers’ curriculum enactment, and more general approaches to science instruction, may help explain observed differences. Implications are discussed for curriculum and instruction in support of students’ MBE for heredity-related concepts. 相似文献
11.
This paper reports on selected aspects of data, with special reference to science, derived from a survey of primary school teachers as part of the Leverhulme Primary Project at the University of Exeter. A national sample of teachers (N = 901) across 152 schools was surveyed in order to ascertain teachers’ perceptions of competence and needs with respect to the new National Curriculum in the UK. Initially, data were collected in relation to ten subject areas and generic teaching skills, with provision made for free‐form responses concerning National Curriculum implementation. Selected aspects of these data, principally related to the National Curriculum core area of science, were subjected to detailed further analysis and are reported. Variables identified from the survey findings, and of concern to science educators, included early subject specialism, years of teaching and gender. These were probed for relationships and significance. The tension between competing National Curriculum requirements for specialist subject knowledge and generalist teaching skills was explored. Findings have implications for innovation in approaches to staff development to cater for perceived needs, teacher educators and curriculum alignment. 相似文献
12.
Exploring the boundary between school science and everyday knowledge in primary school pedagogic practices 总被引：1，自引：0，他引：1
This paper explores the different ways that primary school teachers in Uganda navigate the boundary between school science and everyday knowledge in the context of a centrally mandated curriculum innovation. The paper is based on a study of the pedagogic practices of 16 teachers in eight Ugandan primary schools that were selected on the basis of having a track record of either high or low academic achievement in the public primary school‐leaving examination. The official primary school curriculum in Uganda prescribes that science be taught in an integrated form, including integration between science subject knowledge and everyday knowledge. The strategies that teachers in the study adopted in relating science to everyday knowledge was a key feature that differentiated between pedagogic practices in the high‐performing and low‐performing schools. In high‐performing schools, teachers recruited everyday knowledge as a resource for learning science as a specialised discourse; whereas in the low‐performing schools, acquiring everyday knowledge was viewed as an end in itself. The paper, then, considers the implications of differences in teachers' pedagogic strategies for the kinds of knowledge to which learners are given access. 相似文献
13.
Lesley G. A. de Putter-Smits Ruurd Taconis Wim Jochems Jan Van Driel 《International Journal of Science Education》2013,35(5):701-721
The committees for the current Dutch context-based innovation in secondary science education employed teachers to design context-based curriculum materials. A study on the learning of science teachers in design teams for context-based curriculum materials is presented in this paper. In a correlation study, teachers with (n?=?25 and 840 students) and without (n?=?8 and 184 students) context-based curriculum material design experience were compared on context-based competence. Context-based competence comprises context handling, regulation, emphasis, design, and school innovation. Context-based teaching competence was mapped using both qualitative and quantitative research methods in a composite instrument. Due to the differences in design team set-up for different science subjects, teachers with design experience from different science subjects were also compared on their context-based competence. It was found that teachers with design experience showed more context-based competence than their non-designing colleagues. Furthermore, teachers designing for biology showed more context-based competence than their peers from other science subjects. 相似文献
14.
15.
Brenda M. Capobianco David Eichinger Sanjay Rebello Minjung Ryu Jeff Radloff 《Educational Action Research》2020,28(4):646-667
ABSTRACT The purpose of this study is to profile four university science instructors who utilized action research as a means of learning how to develop and integrate a novel curriculum innovation – engineering design – in their science courses. Data included curriculum maps, lesson plans, notes from group meetings, and instructor reflections. Data analysis included document review and content analysis. Findings from this study suggest that action research effectively enabled the instructors to 1) establish shared ownership of the project goal – to improve preservice teachers’ learning of science through engineering design; 2) continuously test, revise, and recalibrate their shared instructional products; and 3) leverage multiple sources of innovation. Knowledge generated and used by the instructors represented different kinds of knowledge and distributed expertise resulting in products that were more useful and of higher quality than products created by individuals working alone. Consequently, this resulted in increased use of the products and increased instructor commitment to improve them over time. By simultaneously engaging in research and consequently taking specific action to inform their practice, science instructors in this study successfully created shared instructional products that both guided and enhanced their classroom teaching. 相似文献
16.
The purpose of this article is to provide an overview of the nature of models and their uses in the science classroom based on a theoretical review of literature. The ideas that science philosophers and science education researchers have in common about models and modelling are scrutinised according to five subtopics: meanings of a model, purposes of modelling, multiplicity of scientific models, change in scientific models and uses of models in the science classroom. First, a model can be defined as a representation of a target and serves as a ‘bridge’ connecting a theory and a phenomenon. Second, a model plays the roles of describing, explaining and predicting natural phenomena and communicating scientific ideas to others. Third, multiple models can be developed in science because scientists may have different ideas about what a target looks like and how it works and because there are a variety of semiotic resources available for constructing models. Fourth, scientific models are tested both empirically and conceptually and change along with the process of developing scientific knowledge. Fifth, in the science classroom, not only teachers but also students can take advantage of models as they are engaged in diverse modelling activities. The overview presented in this article can be used to educate science teachers and encourage them to utilise scientific models appropriately in their classrooms. 相似文献
17.
Abstract The nature of physics as a scientific discipline is largely determined by the models of reality it utilizes. It is therefore appropriate that teachers of physics have a sound knowledge of the origin and nature of these models, their functions and the role they play in the development of the discipline. The results of a study with regard to the perceptions of models held by prospective physical science (a combination of physics and chemistry) teachers studying at South African universities are reported in this paper. The overall conclusion drawn from the study is that these students are far from prepared to incorporate models properly in their teaching. General misconceptions about models have also been identified. These misconceptions can have far‐reaching effects on the structuring of the physics knowledge of pupils exposed to them. 相似文献
18.
《Africa Education Review》2013,10(1):38-54
Abstract The research reported on in this article was conducted to determine if student teachers enrolled in a Bachelor of Education programme at a South African University are able to integrate science and technology in their teaching. The participants were a cohort of students registered for a course aimed at preparing them to teach grades 4 to 6 in the primary school. The theoretical framework applied in the study is Rogan's Zone of feasible Innovation (ZFI) which uses the analogy that curriculum strategies are good when they proceed just ahead of current practice. Students' understanding of integration of two learning areas was compared to their knowledge base. The findings suggest that students who have very little knowledge of science and/or technology have difficulty in understanding what the scientific and technological processes mean and without this understanding are unable to integrate science and technology effectively in their teaching. It is recommended that the B.Ed programme at this university focuses more on providing opportunities for students to acquire sound knowledge of the two disciplines before attempting any form of integration. 相似文献
19.
Professor Peter Fensham Dr. Kathiravelu Navaratnam Dr. Warren Jones Professor Leo West 《Research in Science Education》1991,21(1):80-89
One set of measures of the quality of courses for the preparation of science teachers stems from the perceptions exit students
have of their knowledge with respect to that teaching. The Discipline Review of Teacher Education in Mathematics and Science
surveyed these students late in 1988 on three broad types of knowledge-science content knowledge, curriculum knowledge, and
pedagogical knowledge. Some of these findings of the Review are described. In addition, the base for developing items to measure
these three types of knowledge is discussed in this paper. The variety in the data that emerged is also presented and the
consistency of the findings with other measures of quality is described.
Specialisations: science and technology curriculum, environmental education, educational disadvantage.
Specialisations: research and evaluation in teacher education, technical and further education and total quality management.
Specialisations: research in educational systems. 相似文献
20.
The Effectiveness of the Geospatial Curriculum Approach on Urban Middle-Level Students’ Climate Change Understandings 总被引：2，自引：1，他引：1
Climate change science is a challenging topic for student learning. This quantitative study examined the effectiveness of a geospatial curriculum approach to promote climate change science understandings in an urban school district with eighth-grade students and investigated whether teacher- and student-level factors accounted for students’ climate change knowledge achievement. The participants included 12 science teachers and 956 eighth-grade students. Data included a pre- and posttest climate change assessment measures for both teachers and students and a teacher measure of Geospatial Science-Technological Pedagogical Content Knowledge. Paired-sample t tests revealed statistically significant gains from pretest to posttest on their climate change knowledge (p < .001; effect sizes being large on multiple-choice items and medium on the open-ended response assessment). Both ordinary least squares (OLS) multiple regression and 2-level hierarchical linear modeling found that students’ initial climate change knowledge and gender were significant predictors for students’ posttest scores, p < .05. Students’ pretest scores were the strongest significant predictor of the posttest scores, p < .001. Neither the teachers’ climate change knowledge nor their Geospatial Science-Technological Pedagogical Content Knowledge had significant association with the students’ posttest scores. Teaching years was a significant predictor for students’ posttest scores in OLS regression (p < .001). The findings provide support that a geospatial curriculum approach is an effective science curriculum approach for learners in urban middle-level education. 相似文献