共查询到20条相似文献，搜索用时 15 毫秒
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Dermot Francis Donnelly Oliver McGarr John O'Reilly 《International Journal of Science Education》2013,35(12):2029-2054
Interest in inquiry-based science education (IBSE) often pays little heed to the complex power relations that exist within classrooms. A common obstacle to inquiry is that it strongly diverges from current classroom culture and hence, is outside the sphere of teachers' and students' experiences. Teachers and students bring expectations to the classroom that are entrenched in traditional practices and influenced by dynamics of power that exist within all teacher–student relationships. This study, which emerged during a wider study of the use of a Virtual Chemistry Lab in supporting IBSE, explores how classroom discourse constructs and maintains power relations that either stifle or facilitate inquiry-based approaches in two science lessons. Research methods included teacher interviews, student focus groups, video-recorded lessons, and student self-assessments. Findings indicate distinctive features of power inside the classroom that impact on inquiry-based instruction, such as predominant teacher monitoring on task completion over task understanding, lack of student engagement in ownership of scientific ideas, and prevailing norms of what effective teacher questioning is. We discuss implications for IBSE change efforts, highlighting that well-established power relations currently represent an important limiting factor in the capacity of teachers' IBSE implementation. 相似文献
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This investigation explores the effectiveness of a teacher preparation program aligned with situated learning theory on preservice science teachers' use of technology during their student teaching experiences. Participants included 26 preservice science teachers enrolled in a 2‐year Master of Teaching program. A specific program goal was to prepare teachers to use technology to support reform‐based science instruction. To this end, the program integrated technology instruction across five courses and situated this instruction within the context of learning and teaching science. A variety of data sources were used to characterize the participants' intentions and instructional practices, including classroom observations, lesson plans, interviews, and written reflections. Data analysis followed a constant comparative process with the goal of describing if, how, and why the participants integrated technology into their instruction and the extent to which they applied, adapted, and innovated upon what they learned in the science teacher preparation program. Results indicate that all participants used technology throughout their student teaching for reform‐based science instruction. Additionally, they used digital images, videos, animations, and simulations to teach process skills, support inquiry instruction, and to enhance student engagement in ways that represented application, adaptation, and innovation upon what they learned in the science teaching methods program. Participants cited several features of the science teacher preparation program that helped them to effectively integrate technology into their instruction. These included participating in science lessons in which technology was modeled in the context of specific instructional approaches, collaborating with peers, and opportunities for feedback and reflection after teaching lessons. The findings of this study suggest that situated learning theory may provide an effective structure for preparing preservice teachers to integrate technology in ways that support reform‐based instruction. © 2013 Wiley Periodicals, Inc. J Res Sci Teach 50:348–379, 2013 相似文献
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Joanne Carlisle Ben Kelcey Dan Berebitsky Geoffrey Phelps 《Scientific Studies of Reading》2013,17(5):409-439
The purpose of this study was to determine whether third-grade teachers' instructional actions during reading comprehension lessons contributed to their students' reading comprehension achievement. Our framework focused on teachers' emphasis on three dimensions of instruction (pedagogical structure, teacher-directed instruction, and support for student learning), as observed in comprehension lessons across a year. Third-grade teachers' instruction was analyzed first by measuring their latent propensity to engage in instructional actions in the three dimensions and then by using these latent variables in a multilevel model to examine their students' gains in reading comprehension. Results provided support for the theoretical dimensions, taking into account contextual variables including lesson, student, and teacher characteristics; teachers' engagement in teacher-directed instruction and their support for student learning significantly contributed to their students' reading comprehension. Results suggest that analysis of teachers' instructional actions within and across lessons is a promising approach for the study of effective reading instruction. 相似文献
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Our study addresses the relationship between teacher talk and children’s conceptual learning in early science instruction. We examined the role of teacher talk in N = 32 kindergarten classes. The teachers were video-recorded at the beginning of a four-week instruction phase while assisting a group of children who were dealing with a learning unit on floating and sinking. The coding of teacher talk included expressions that were pertinent to the content (content-specific vocabulary) and talk that performed an underlying scaffolding function (scaffolding utterances). Teachers’ scaffolding utterances were assigned to four sub-types. The children’s conceptual understanding was measured in individual sessions in a pre-post design. The results of two different analytic approaches indicated that the teachers’ content-specific language acted as a positive predictor of the children’s learning outcomes whereas both positive and negative effects were found with respect to the sub-types of scaffolding utterances. 相似文献
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Maureen N. Short 《Emotional and Behavioural Difficulties》2013,18(4):396-406
The proficiency with which teachers of students with emotional and behavioural disorders (EBD) plan for, provide instructional activities, and address the challenging behaviour of their students is influenced by the nature of their preservice teacher preparation. The purpose of this study was to examine educators’ perceptions of the importance of preservice field-based experiences. Results indicate that educators of students with EBD consider student teaching of both students with EBD and students without disabilities very important experience. Educators with more than 10 years experience also indicated that the observation of police, parole, and judicial services concerned with students with EBD was an important preservice experience. Limitations of the study and implications for preservice teacher preparation are discussed. 相似文献
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Although skilled mathematics teachers and teacher educators often “know” when interruptions in the flow of a lesson provide an opportunity to modify instruction to improve students’ mathematical understanding, others, particularly novice teachers, often fail to recognize or act on such moments. These pivotal teaching moments (PTMs), however, are key to instruction that builds on student thinking about mathematics. Video of beginning secondary school mathematics teachers’ instruction was analyzed to identify and characterize PTMs in mathematics lessons and to examine the relationships among the PTMs, the teachers’ decisions in response to them, and the likely impacts on student learning. These data were used to develop a preliminary framework for helping teachers learn to identify and respond to PTMs that occur during their instruction. The results of this exploratory study highlight the importance of teacher education preparing teachers to (a) understand the mathematical terrain their students are traversing, (b) notice high-leverage student mathematical thinking, and (c) productively act on that thinking. This preparation would improve beginning teachers’ abilities to act in ways that would increase their students’ mathematical understanding. 相似文献
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This study explored verbal motivational strategies in exemplary teachers’ classrooms. A framework derived from expectancy-value theory, which addresses student motivation for academic tasks, was applied. Audiotaped math and literacy lessons of two exemplary second-grade teachers showed a high number of comments related to expectancies and relatively fewer related to valuing tasks. In addition, teachers made more motivational statements when in the process of instruction than when introducing or concluding instructional episodes. Interviews revealed that some teacher beliefs, such as the importance of rationales or ensuring student success, were related to classroom strategies. Implications for theory, practice, and research are discussed. 相似文献
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In this study, we examined the nature of whole-class discussion and teachers' instruction during discussion about historical topics in one inclusive, middle-grade classroom. We videotaped and analyzed 4 lessons to determine the nature of discussion sequences, rates of participation, and instructional challenges encountered by the teacher and students. We triangulated our analysis of observational data with teacher interviews. The results showed high rates of student participation, with no differences between students with and without disabilities. The teacher initiated and controlled the discussion, and nearly all student responses were from teacher to student rather than from student to student. The teacher encountered three challenges in developing students' understanding, and we identify specific practices she used to address these challenges. Based on students' response to measures administered by project staff and on their scores on statewide tests, this teacher's practices seemed to be highly effective. 相似文献
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《Teaching and Teacher Education》2000,16(3):295-313
This study examined teacher–student discourse from a sociocultural perspective in order to ascertain the nature of effective instruction for school-age students with learning disabilities. This discussion examines one teacher's resource room instruction that was part of a larger study of teacher–student discourse. The results suggested two considerations: (1) the importance of teacher self-reflection and the implications for effective teaching and learning, and (2) differential discourse patterns across academic domains. Wood's notion of contingent teaching (1991) provided a guideline for coding teacher–student discourse. The results suggest that feedback combined with cognitive structuring contribute to effective teaching and learning. 相似文献
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Chang-Hua Chen Michele D. Crockett Takayuki Namikawa Johndamaseni Zilimu Sun Hee Lee 《International Journal of Science and Mathematics Education》2012,10(3):553-579
In this qualitative case study, the researchers explored 3 8th grade teachers?? formative assessment practices as it occurred during their mathematics instruction at socioeconomic status (SES)-different schools in Taiwan. Instructionally embedded formative assessment we refer to as discourse-based assessment practice (DAP). In Taiwan, there is a large mathematics achievement gap among high SES and low SES and minority students in 8th grade. Addressing this issue at the level of classroom practice, we attempt to document teachers?? DAP using a parsimonious, but practical framework for analyzing classroom discourse in 23 lessons. For the purpose of this study, 3 lessons for each teacher are represented. The extended sequence (Mehan, 1979) was the primary unit of analysis, to which we applied our framework for illuminating and differentiating the teachers?? press for student understanding through questions and feedback. The analysis of the teacher??s instruction at the high SES indicated that it was more formative than the others, pressing for mathematical understanding. The 2 teachers at the low SES schools pressed for rote understanding, though there were qualitative differences between them. The findings raise more questions and implications for research and education policy. In Taiwan where there is scant research on classroom practices, DAP as an instructional improvement may be a starting point for educational improvement for all its students. 相似文献
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Andrea L. Beerwinkle Kausalai Wijekumar Sharon Walpole Rachael Aguis 《Reading and writing》2018,31(9):2041-2064
The Component Model of Reading expanded upon the Simple View of Reading by adding an ecological and psychological component. Elements of the ecological component include teacher knowledge, information provided in textbooks, and teacher instructional practices. In this study, the authors examined the extent of teacher knowledge about text structure, the extent to which textbooks focused on text structure related skills and strategies as well as the percentage each skill and strategy was covered in lessons and teacher instructional practices. Such analysis shows that although text structure interventions may have positive effects on student reading comprehension, there are multiple elements of the ecological component that may be counteracting the benefits of the intervention. First, teachers have a limited knowledge of the five common text structures. Second, textbooks systematically minimize text structure instruction and only cover comprehension skills and strategies sporadically throughout a year-long curriculum. Third, teacher learning of text structures and change in practice was moderated by these ecological factors including textbook scheduled instruction and administrator support. 相似文献
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Lesson Study is a form of professional development where teachers collaboratively design research lessons and improve instruction using the evidence they have gathered on student learning and development. This article reports on a professional learning team’s enactment of Lesson Study in an elementary school. A methodological approach informed by Cultural-Historical Activity Theory was adopted to study teacher learning practices that provided affordances to teacher learning, practices that produced disturbances to teacher learning, and underlying systemic contradictions revealed by the disturbances. The findings suggest implications for enhancing school-based professional development through Lesson Study. 相似文献
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This study reviewed the effect of class size, grades given, and academic field on student opinion of instruction. Data analysis showed that there were no significant correlations between variables of the three groups: (a) class size and student opinion of instruction; (b) grades given and student opinion of instruction, and (c) college and national academic field rankings and student opinion of instruction. These results leave teacher effectiveness as the most likely variable to explain ratings of student opinion of instruction. 相似文献
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本文对参与为期三周的大学英语课堂自主授课教学实验的非英语专业学生进行了问卷调查,结果表明：通过教师课前辅助、指导学生分组选材、学生自主备课并面向师生授课、教师对学生授课进行评价这样的流程,使学生的学习主体性得到了发挥,积极性得到了提高,同时还培养了学生在创造思维、口头表达等方面的能力。因此,学生自主授课是一种有效的学习模式。 相似文献