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1.
Curriculum materials are crucial tools with which teachers engage students in science as inquiry. In order to use curriculum materials effectively, however, teachers must develop a robust capacity for pedagogical design, or the ability to mobilize a variety of personal and curricular resources to promote student learning. The purpose of this study was to develop a better understanding of the ways in which preservice elementary teachers mobilize and adapt existing science curriculum materials to plan inquiry‐oriented science lessons. Using quantitative methods, we investigated preservice teachers' curriculum design decision‐making and how their decisions influenced the inquiry orientations of their planned science lessons. Findings indicate that preservice elementary teachers were able to accurately assess how inquiry‐based existing curriculum materials are and to adapt them to make them more inquiry‐based. However, the inquiry orientations of their planned lessons were in large part determined by how inquiry‐oriented curriculum materials they used to plan their lessons were to begin with. These findings have important implications for the design of teacher education experiences that foster preservice elementary teachers' pedagogical design capacities for inquiry, as well as the development of inquiry‐based science curriculum materials that support preservice and beginning elementary teachers to engage in effective science teaching practice. © 2009 Wiley Periodicals, Inc. J Res Sci Teach 47:820–839, 2010  相似文献   

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This study examined Chinese and US middle-school science teachers' perceptions of autonomy support. Previous research has documented the link between teachers' perceptions of autonomy and the use of student-oriented teaching practices for US teachers. But is not clear how the perception of autonomy may differ for teachers from different cultures or more specifically how motivation factors differ across cultures. The survey measured teachers' motivation, perceptions of constraints at work, perceptions of students' motivation, and level of autonomy support for students. Exploratory factor analysis of responses for the combined teacher sample (n?=?201) was carried out for each of the survey assessments. Significance testing for Chinese (n?=?107) and US (n?=?94) teachers revealed significant differences in teachers' motivation and perceptions of constraints at work and no significant differences for perceptions of students' motivation or their level of autonomy support for students. Chinese teachers' perceptions of constraints at work, work motivation, and perceptions of student motivation were found to significantly predict teachers' autonomy support. For the US teachers, teacher motivation was the only significant predictor of teachers' autonomy support. A sub-sample of teachers (n?=?19) was interviewed and results showed that teachers in both countries reported that autonomy was important to their motivation and the quality of science instruction they provided to students. The primary constraints on teaching reported by the US teachers related to materials and laboratory space while the Chinese teachers reported constraints related to the science curriculum and standards.  相似文献   

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Recent instructional reforms in science education aim to change the way students engage in learning in the discipline, as they describe that students are to engage with disciplinary core ideas, crosscutting concepts, and the practices of science to make sense of phenomena (NRC, 2012). For such sensemaking to become a reality, there is a need to understand the ways in which students' thinking can be maintained throughout the trajectory of science lessons. Past research in this area tends to foreground either the curriculum or teachers' practices. We propose a more comprehensive view of science instruction, one that requires attention to teachers' practice, the instructional task, and students' engagement. In this study, by examining the implementation of the same lesson across three different classrooms, our analysis of classroom videos and artifacts of students' work revealed how the interaction of teachers' practices, students' intellectual engagement, and a cognitively demanding task together support rigorous instruction. Our analyses shed light on their interaction that shapes opportunities for students' thinking and sensemaking throughout the trajectory of a science lesson. The findings provide implications for ways to promote rigorous opportunities for students' learning in science classrooms.  相似文献   

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The Next Generation Science Standards (NGSS) strives to shift science learning from the teacher as a single cognitive agent, to a classroom community in which participants are working together in directing the classroom's communal knowledge to figure out questions about how phenomena occur, and building, testing, and refining their ideas to address those questions. To achieve this type of classroom environment, teachers should attend to students' knowledge and ideas and pay attention to how students are located within teacher-led interactions, such as being positioned as active discussants or designated listeners. In this study, we explore if and how this is occurring in the NGSS era. We used a naturalistic inquiry to explore how an experienced first-grade teacher used a new NGSS-aligned unit that called for students to use the science and engineering practices (SEP) to build content knowledge. We used a macro-analytic lens to answer the research question “how are class discussions shaped to address the SEP”? We used a micro-analytic lens to answer the research question “how are students positioned during these science discussions in this classroom?” Evidence suggests that the teachers' whole class discussions incorporated and involved the SEP which were specified in the unit lessons for content learning. However, on a micro-analytic level, we found that few students were positioned as active discussants. The teacher heavily relied on those students who could provide succinct and clearly relevant answers while positioning the remainder of the students as silent spectators. Implications from this research suggest that not only new NGSS curriculum materials need to focus on what students should know and do but they also need to address heuristics for teachers that show them how to position all of their students as active doers of science so all students have opportunities to build deeper, core science knowledge.  相似文献   

6.
This research examines factors influencing elementary science teacher learning as they participate in professional development with and enactment of educative curricula in comparison with learning following limited professional development and enactment of traditional curricula. Using a randomized cluster design (125 teachers and 2,694 students in 4th—5th grades) that met the What Works Clearinghouse standards without reservations, teacher learning was conceptualized using four outcomes. Data were analyzed using standard single-level multiple regression models and possible mediation models for the teacher outcomes were considered using piecewise multiple regression and path analytic approaches. Treatment group teachers experienced greater increases in content knowledge, views of science inquiry, beliefs about reform-based teaching, and teaching self-efficacy than comparison group teachers. The findings indicate that what teachers learn from the combination of professional development and teaching with educative curriculum varies according to what their knowledge and beliefs are on entering the experience. Surprisingly, high entry-level self-efficacy was associated not only with lower learning gains for the teachers, but also for their students. Finally, teachers' space science learning and that of their students are implicated as mediators of the positive effect of the professional development and educative curriculum enactment on teacher beliefs about reform science teaching. This work refines and extends a theoretical framework of teachers' participatory relationship with curricula.  相似文献   

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This article reports on analyses of the instructional practices of six middle- and high-school science teachers in the United States who participated in a research-practice partnership that aims to support reform science education goals at scale. All six teachers were well qualified, experienced, and locally successful—respected by students, parents, colleagues, and administrators—but they differed in their success in supporting students' three-dimensional learning. Our goal is to understand how the teachers' instructional practices contributed to their similarities in achieving local success and to differences in enabling students' learning, and to consider the implications of these findings for research-practice partnerships. Data sources included classroom videos supplemented by interviews with teachers and focus students and examples of student work. We also compared students' learning gains by teacher using pre–post assessments that elicited three-dimensional performances. Analyses of classroom videos showed how all six teachers achieved local success—they led effectively managed classrooms, covered the curriculum by teaching almost all unit activities, and assessed students' work in fair and efficient ways. There were important differences, however, in how teachers engaged students in science practices. Teachers in classrooms where students achieved lower learning gains followed a pattern of practice we describe as activity-based teaching, in which students completed investigations and hands-on activities with few opportunities for sensemaking discussions or three-dimensional science performances. Teachers whose students achieved higher learning gains combined the social stability characteristic of local classroom success with more demanding instructional practices associated with scientific sensemaking and cognitive apprenticeship. We conclude with a discussion of implications for research-practice partnerships, highlighting how partnerships need to support all teachers in achieving both local and standards-based success.  相似文献   

8.
This study explores teachers' informal formative assessment practices in three middle school science classrooms. We present a model for examining these practices based on three components of formative assessment (e liciting, r ecognizing, and u sing information) and the three domains linked to scientific inquiry (epistemic frameworks, conceptual structures, and social processes). We describe the informal assessment practices as ESRU cycles—the teacher E licits a question; the S tudent responds; the teacher R ecognizes the student's response; and then U ses the information collected to support student learning. By tracking the strategies teachers used in terms of ESRU cycles, we were able to capture differences in assessment practices across the three teachers during the implementation of four investigations of a physical science unit on buoyancy. Furthermore, based on information collected in a three‐question embedded assessment administered to assess students' learning, we linked students' level of performance to the teachers' informal assessment practices. We found that the teacher who more frequently used complete ESRU cycles had students with higher performance on the embedded assessment as compared with the other two teachers. We conclude that the ESRU model is a useful way of capturing differences in teachers' informal assessment practices. Furthermore, the study suggests that effective informal formative assessment practices may be associated with student learning in scientific inquiry classrooms. © 2006 Wiley Periodicals, Inc. J Res Sci Teach  相似文献   

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Reform based curriculum offer a promising avenue to support greater student achievement in science. Yet teachers frequently adapt innovative curriculum when they use them in their own classrooms. In this study, we examine how 19 teachers adapted an inquiry‐oriented middle school science curriculum. Specifically, we investigate how teachers' curricular adaptations (amount of time, level of completion, and activity structures), teacher self‐efficacy (teacher comfort and student understanding), and teacher experience enacting the unit influenced student learning. Data sources included curriculum surveys, videotape observations of focal teachers, and pre‐ and post‐tests from 1,234 students. Our analyses using hierarchical linear modeling found that 38% of the variance in student gain scores occurred between teachers. Two variables significantly predicted student learning: teacher experience and activity structure. Teachers who had previously taught the inquiry‐oriented curriculum had greater student gains. For activity structure, students who completed investigations themselves had greater learning gains compared to students in classrooms who observed their teacher completing the investigations as demonstrations. These findings suggest that it can take time for teachers to effectively use innovative science curriculum. Furthermore, this study provides evidence for the importance of having students actively engaging in inquiry investigations to develop understandings of key science concepts. © 2010 Wiley Periodicals, Inc., J Res Sci Teach 48: 149–169, 2011  相似文献   

10.
Public debates about the role of teachers and teacher performance place teachers at the center of a range of national and local discourses. The notion of teacher professional identity, therefore, framed in a variety of ways, engages people across social contexts, whether as educators, parents, students, taxpayers, voters or consumers of news and popular media. These highly contested discourses about teachers' roles and responsibilities constitute an important context for research on teachers and teaching, as researchers and educators ask how changes to the teaching profession affect teacher professional identity. This article investigates the identity talk of three mid‐career teachers in an urban, public school in the USA, to better understand how the teachers used language to accomplish complex professional identities. Research approaches to teacher identity often focus on teacher narrative as a key tool in identity formation. The analysis presented here extends our understanding of language as a resource in teacher identity construction by using discourse analysis to investigate how speakers use implicit meaning to accomplish the role identity of teacher. The analytical lens draws on an interdisciplinary framework that combines a sociological approach to teacher as a role identity with an investigation of language as a cultural practice, grounded in the ethnography of communication. The analysis focuses on how teachers use specific discourse strategies – reported speech, mimicked speech, pronoun shifts, oppositional portraits, and juxtaposition of explicit claims – to construct implicit identity claims that, while they are not stated directly, are central to accomplishing teacher as a role identity. The analysis presented here focuses on the particular implicit role claim of teacher as collaborator. Findings show that, in their identity talk, the teachers strategically positioned themselves in relation to others and to institutional practices, actively negotiating competing discourses about teacher identity by engaging in a counter discourse emphasizing teachers' professional role as knowledge producers rather than information deliverers, collaborative, rather than isolated, and as agents of change engaged in critical analysis to plan action. Awareness of how these counter discourses operate in the teachers' conversation helps us better understand the cultural significance of identity talk as a site for the negotiation of the significances for the role identity of teacher. In addition, the notions of role identity and implicit identity claims offer an accessible way to talk about the complexity of teacher identity, which can be helpful for increasing awareness of the importance of teacher identity in teacher education and professional development, and in bringing teachers' voices more prominently into the debates over education.  相似文献   

11.
According to the literature, in the 1980s the intended science curriculum exhibited a worldwide movement toward a curriculum for all, with a more contextually embedded approach. In writings about science teaching pedagogy, a trend can be observed to consider seriously students' conceptions, based on the premises of constructivism. This article examines consequences of these trends for teacher behavior and concludes that classes should become more student centered. In terms of the model for interpersonal teacher behavior (Wubbels & Levy, 1993), teachers must give their students more responsibility and act in a more understanding way. It is to be expected that teachers' beliefs and opinions have to change before this trend can be implemented in the classroom. We have therefore tested whether teachers' opinions about objectives and content of physics education, on the one hand, and the implemented curriculum, particularly teachers' interpersonal behavior, on the other, display the same trend observed in the intended curriculum. In 1984 and 1993, data on students' perceptions of their teachers' behavior were gathered from ninth-grade students of a random sample of Dutch physics teachers. Data on the teachers' self-perceptions of their behavior and their opinions about physics education also were included. The results show that teachers were more in favor of realistic teaching content in 1993 than in 1984, a shift that is in line with the trend in the intended curriculum. Students' perceptions indicated clearly that Dutch teachers behaved less dominantly and more cooperatively in 1993 than in 1984. © 1997 John Wiley & Sons, Inc. J Res Sci Teach 34: 447–466, 1997.  相似文献   

12.
This study compares US and Chinese elementary mathematics teachers' beliefs about how students learn mathematics. Interviews with teachers in each country revealed that Chinese and US teachers have distinct ways of thinking about how mathematics should be taught and how students learn. Many Chinese teachers talked about developing students’ interest in mathematics and relating the content of mathematics lessons to real-life situations. The US teachers talked about students' learning styles and using hands-on approaches to learning mathematics. Furthermore, these beliefs may be widespread and persistent within each country because the set of ideas among teachers appear to be internally consistent. Implications for teacher change and the study of teachers' beliefs are discussed.  相似文献   

13.
The purpose of this cross-case analysis is to illustrate how and why literacy was incorporated into science teaching and learning in three secondary classrooms. Research questions guiding the analysis include: (a) How were literacy events shaped by the teachers' philosophies about teaching science content and teaching students? and (b) How was literacy (reading, writing, and oral language) structured by the teachers and manifested in science lessons? The methodology of ethnography and the theoretical framework of symbolic interactionism were employed in the three studies on which the cross-case analysis was based. The researchers assumed the role of participant observers, collecting data over the period of 1 year in each of the three classrooms. Data, in the form of fieldnotes, interviews, and artifacts, were collected. In each study, data were analyzed using the constant comparative method (Glaser & Strauss, 1967) to determine patterns in the teachers' beliefs about learning and how these influenced their choice of literacy activities. The cross-case analysis was conducted to determine patterns across the three teachers and their classrooms. The findings from this analysis are used to compare how the teachers' philosophies of teaching science and their beliefs about how students learn influenced their use of literacy practices during lessons. Specifically, each teacher's use of literacy activities varied based on his or her beliefs about teaching science concepts. Furthermore, reading, writing, and oral language were important vehicles to learning science concepts within daily classroom activities in the three classrooms.  相似文献   

14.
This study explored whether early childhood preservice teachers' concerns about teaching nature of science (NOS) and their intellectual levels influenced whether and how they taught NOS at the preschool and primary (K‐3) levels. We used videotaped classroom observations and lesson plans to determine the science instructional practices at the preschool and primary levels, and to track whether and how preservice teachers emphasized NOS. We used the Stages of Concern Questionnaire (SOCQ) pre‐ and postinternship to determine concerns about NOS instruction, and the Learning Context Questionnaire (LCQ) to determine intellectual levels. We found that neither concerns about teaching NOS nor intellectual level were related to whether and how the preservice teachers emphasized NOS; however, we found that all preservice early childhood teachers began their internships with NOS concern profiles of “worried.” Two preservice teachers' NOS concerns profiles changed as a result of their internships; one to “cooperator” and one to “cooperator/improver.” These two preservice teachers had cooperating teachers who were aware of NOS and implemented it in their own science instruction. The main factors that hindered or facilitated teaching NOS for these preservice teachers were the influence of the cooperating teacher and the use of the science curriculum. The preservice teacher with the cooperating teacher who understood and emphasized NOS herself and showed her how to modify the curriculum to include NOS, was able to explicitly teach NOS to her students. Those in classrooms whose cooperating teachers did not provide support for NOS instruction were unable to emphasize NOS. © 2009 Wiley Periodicals, Inc. J Res Sci Teach 47:213–233, 2010  相似文献   

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《师资教育杂志》2012,38(2):219-236
Liberal studies is a new subject in the new senior secondary curriculum in Hong Kong. This study attempted to identify factors that shape liberal studies student teachers' decisions in lesson planning. Based on interview data and lesson plans developed by the student teachers, this article maintains that four factors interacted with the subject features of liberal studies to shape the student teachers' planning decisions, namely, teacher knowledge, curriculum requirements, materials and resources, and interaction with equal and more capable partners. This paper further looks into how teacher knowledge expresses itself at different stages of lesson planning. The findings suggest that to facilitate enquiry learning in students, liberal studies teachers need to adopt an enquiry stance in lesson planning. This paper argues that the limitations of liberal studies student teachers' content knowledge need to be addressed in teacher preparation programmes and suggests teacher networking as one way to strengthen novice liberal studies teachers' content preparation. The implications for teacher education are discussed.  相似文献   

16.
This case study explored sociocultural forces that influenced three 10th grade public high school biology teachers' instructional goals, instructional acts, and identity narratives related to the teaching of evolution. Primary data included field observations of classroom instruction and teacher interviews. Secondary data included informal conversations with students, interviews with department chairs, and interviews with a Southern minister. Data were coded and analyzed resulting in categories and themes which provided insights into the sociocultural influences that gave shape to the teaching of evolution for three teachers in this southeastern state. Findings included: (a) changes in teaching identities as the teachers sought legitimacy for teaching evolution through dependency on the textbook as the authoritative knowledge, (b) socioculturally embedded lived experiences and the perceived teaching identity of each teacher that created idiosyncratic positionings related to decisions about teaching evolution, and (c) the complicatory influence of the state standards, the graduation exit examination, and teacher autonomy on teachers' decisions related to the teaching of evolution. This study revealed practical relationships between what actual practices occur when teachers include or exclude evolution within the curriculum and the liabilities and benefits of teacher autonomy related to controversial topics such as evolutionary theory. © 2009 Wiley Periodicals, Inc. J Res Sci Teach 46: 762–790, 2009  相似文献   

17.
This study sought to determine how experienced language teachers use analogies to help students comprehend a text on the course of their regular teaching routines. It is assumed that analogies constitute one important component of the content of teachers' practical knowledge in the context of reading-comprehension instruction. The framework of the study drew from Shulman's notion of 'pedagogical content knowledge'; the perspective was the analogy-provider (e.g. teacher or textbook author). Eight lessons taught by eight different teachers were observed and analysed for the presence of analogies. The frequent use of analogies, continuously under discussion in the literature about science education, seems at least open to question. The research suggests that teacher education programmes for language teaching should include information about developing and evaluating instructional analogies.  相似文献   

18.
This study identifies proficiency levels in pre-service physics teachers' pedagogical content knowledge (PCK) and reveals how teacher education can promote transitions into higher proficiency. Teacher education plays a fundamental role in supporting pre-service teachers' PCK development. Proficiency levels are a powerful source when evaluating this PCK development because they characterize what learners are likely to be able to know on a specific level. Previous research has presented a model of proficiency levels in pre-service physics teachers' PCK; however, evidence for the model's validity is still lacking. According to the Refined Consensus Model of PCK, factors such as teachers' content knowledge (CK), their teaching experience, and their beliefs about teaching and learning science promote PCK development. Thus, understanding how and when pre-service physics teachers' CK, teaching experience, and beliefs contribute to their proficiency can bring insights into how teacher education can promote PCK development. To address this issue, N = 427 observations of pre-service physics teachers were analyzed. Utilizing the scale anchoring procedure, four different proficiency levels in pre-service physics teachers' PCK were identified. Analyzing these proficiency levels showed that lower levels can be characterized as remembering content-unspecific knowledge, whereas higher levels encompass content-specific strategies to structure and elaborate lessons. Additionally, logistic regression models revealed that pre-service physics teachers' CK is crucial for an increase in PCK proficiency. However, transitions into higher levels of PCK additionally require teaching experience and adequate beliefs about teaching and learning. Thus, our proficiency levels can be used to bring insights into how proficiency in PCK can be supported during teacher education. For example, teacher education should provide courses focusing on the science curriculum and the assessment of student learning to promote pre-service physics teachers' progression in PCK.  相似文献   

19.
This grounded theory study was conducted to investigate how two veteran social studies teachers, one African American and one Japanese American, incorporated opportunities for students to explore their ethnicity while learning subject matter content. Four themes emerged that form the basis of a model that provides teachers with strategies for assisting students as they learn about their ethnic groups through existing subject matter curricula. These data, and teachers' reports of sustained student engagement when exploration of cultural heritage was incorporated into the curriculum, provide warrant for including instruction in ethnic identity exploration in teacher preparation programs.  相似文献   

20.
This study investigated how a collaborative mentoring program influenced beginning science teachers' inquiry-based teaching and their reflection on practice. The one-year program consisted of five one-on-one mentoring meetings, weekly science education seminars, weekly mentoring group discussions, and self-evaluation activities. The participants were three beginning science teachers and three mentors at the middle school level (7–9th grades) in an urban area of South Korea. For each beginning teacher, five lessons were evaluated in terms of lesson design/implementation, procedural knowledge, and classroom culture by using the Reformed Teaching Observation Protocol. Five aspects of the beginning teachers' reflections were identified. This study showed that a collaborative mentoring program focusing on inquiry-based science teaching encouraged the beginning teachers to reflect on their own perceptions and teaching practice in terms of inquiry-based science teaching, which led to changes in their teaching practice. This study also highlighted the importance of collaborative interactions between the mentors and the beginning teachers during the mentoring process.  相似文献   

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