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The purpose of this paper is to describe the design and initial implementation of a lesson study network in the US intended to support implementation of the Common Core State Standards (CCSS).

Participant observation and artifact collection document the development of the teaching through problem solving (TTP) network over a 14-month period.

The TTP network draws heavily on Japanese practices (e.g. lesson study) and Japanese materials (e.g. coherent, focussed mathematics curriculum) to support changes envisioned in the US CCSS related to students’ mathematical practices and dispositions. The reasons for choice of these key Japanese features are explicated, and teachers’ initial reactions described.

The design shows promise for combining teacher “ownership” with implementation of high-quality approaches designed by others; and allowing instructional innovations developed in Japan to flow into US practice. TTP in mathematics has persistently resisted implementation in the US, so the network is designed to target a central problem in implementing the CCSS.

A method for instructional innovations to spread from classrooms in one country to another is suggested.

The purpose of this paper is to explore a model of Lesson Study owned entirely by pre-service teachers (PSTs), conveying its potential to facilitate mutual spaces of learning between peers beyond formal hierarchical relationships with expert teachers. Fuller’s (1969) conceptual framework of teacher development informed the study, consisting of self, task and impact “phases of concern”.

Participants were secondary physical education PSTs (n=17), completing a university-led postgraduate certificate in education course. Action research methodology was adopted during school placements, when PSTs engaged in Lesson Study with peers. Data obtained through a group discussion board, individual questionnaires and interviews, were subjected to inductive analysis, with key patterns compared to locate themes.

All PSTs felt Lesson Study contributed positively to their training, reinforcing perceived benefits of cycles of action for planning, observing a lesson, reviewing and adapting the plan before re-teaching the revised plan. Findings reveal increased confidence in reducing self and task concerns through four emergent themes: acquiring content and pedagogical knowledge; developing the planning process; understanding individual learners’ needs; and embedding reflective practice. Mutually supportive peer-learning environments created pedagogic space beyond formal mentoring processes, augmenting learning to teach and the understanding of learners’ needs.

Endorsement of Lesson Study by PSTs as a method of engaging in a positive peer-learning climate suggests the workability of this model.

Findings contribute to existing literature exploring the effectiveness and impact of Lesson Study within initial teacher education.

The purpose of this paper is to examine how lesson study can lead to teacher learning and improvement of instruction by developing teachers’ mathematical-task knowledge and by supporting teachers’ selection, modification, and implementation of mathematical tasks. Mathematical-task knowledge includes knowledge needed to use tasks that require a high level of thinking and reasoning.

A qualitative case study design was used to explore the learning and instruction of three teachers as they went through the process of lesson study, developed knowledge around mathematics tasks, and made changes to their instruction. Methods included direct observation of lessons, semi-structured interviews, and participant observation.

This lesson study project supported teachers in developing mathematical-task knowledge and in making change to instructional practice. The teachers discussed in this paper added to their understanding of mathematical tasks and changed how they implemented tasks after lesson study. The teachers began to challenge students to go beyond memorizing or executing procedures to deepen the students’ understanding of mathematical concepts. Teachers developed key insights and understandings of mathematical tasks, triggering shifts in their thinking, and changes to instruction. Collaboration and reflection altered the selection, modification, and implementation of mathematical tasks.

This study reveals the connections between features of lesson study and the pathways that lead to learning and improvements to instruction. Limitations included the demands of the school district’s pacing guide and curriculum, and a limited number of interviews and observations were conducted after lesson study.

There are many different ways lesson study has been implemented in the USA, yet the effectiveness of many lesson study projects is still unclear. This study reveals more about the lesson study process, what features are important, and how these features lead to development of knowledge and practice. This study examines how teachers within the same lesson study group added to their knowledge and practice and how different features of lesson study prompt them to make changes.

Lesson study is a vital approach to improve teaching and learning that Japanese teachers have been utilizing for a century. Lesson study, however, has only recently been recognized as a teacher development strategy in Laos and started implementing in teacher training colleges (TTCs) in 2015. The purpose of this paper is to investigate the extent to which teachers have gained an understanding of the procedure of lesson study and to reveal their initial concerns about its implementation.

This research reports on lesson study implementation in a Lao TTC during 2015-2017. Data were collected from 11 classroom observations, lesson study reports, lesson study guidelines, and 70 open-ended questionnaires.

Data analysis revealed the initial experience of teachers in the suburb schools in applying lesson study to enhance teaching and students’ learning outcomes, and their concerns regarding lesson study procedure including time management, the format of the lesson study report, and collaboration with lesson study facilitators. The importance of lesson study experts to facilitate the teachers’ lesson study became clear. In addition, school principals and administrators have an important role in empowering teachers to engage confidently with lesson study.

This study is the first trial project of school-based training for in-service teachers in a TTC and partner primary schools. The aim of the project is to strengthen and promote collaborative learning. To progress lesson study, it is very important to be sensitive to the teachers’ issues in the early stages of the introduction of lesson study.

This paper reports on experiences of university-level mathematics teacher educators (MTEs) from participating in lesson study to improving mathematics teacher preparation. The authors investigate the questions: “What did MTEs report as benefits of participating in cross-departmental lesson study?” and “What considerations did MTEs report for stakeholders interested in lesson study?”

This study employed qualitative methodologies on one cycle of lesson study where the authors served as lesson study participants. Debrief and focus group interview data were analyzed for emergent codes on benefits, supports and challenges from a university-level lesson study.

Engaging in university-level lesson study provided MTEs firsthand professional development, created community, enabled attention to detail, improved knowledge of issues related to teaching mathematics, improved curricular materials and extended beyond one lesson. Institutional support, a natural evolution of the process, alignment of goals among members and support within the group supported their university-level lesson study. Challenges of time and funding, imposition, misalignment of goals and building trust are discussed.

The paper contributes insights about benefits for MTEs who use lesson study to examine their own teaching practice for mathematics teacher preparation. The importance of supports and constraints is highlighted.

The purpose of this paper is to report on how an academy used lesson study to engage teachers in research, presenting the journey undertaken from its conception through to the implementation of the model. It suggests that lesson study is a suitable process to engage teachers in meaningful research. It shows that lesson study allows teachers to focus on their own practice and on the learning of their students and it is ideal in bridging the gap between research and practice. It will also show that research is enhanced through lesson study because it brings teachers together to work in a collaborative way.

The paper reports the intended and actual journey an academy took in planning and implementing lesson study across the academy.

The paper provides an explanation on how a school can set up a model which engages its teachers in relevant research. It explains how lesson study can be used as a powerful research tool which helps teachers develop collaboration and investigative minds around their own practice and their own students. It also puts forward recommendations for a school that would seek to introduce lesson study to its staff.

The paper provides an account for school leadership teams and those with responsibility for developing the practice of other teachers. It will be helpful in assisting schools who desire to strengthen or develop the time devoted to teachers’ professional development.

This study attempts to provide cross-cultural learning by focusing on a very important aspect of research, the study of teaching materials, known as Kyouzai Kenkyuu in Japan. The purpose of this paper is to investigate teachers’ views and awareness about the study of teaching materials, in particular, the views and awareness of Iranian teachers, who are beginning to understand their teaching practice and professional development through lesson study.

Qualitative research methods were employed for data collection. These methods included comparative analysis of an Iranian mathematics lesson from the perspective of Japanese educators and semi-structured interviews with all participants of the lesson analysis meetings.

The findings are intended to position Kyouzai Kenkyuu as an important aspect of Japanese lesson study and to make explicit the beliefs and values that underpin and shape pedagogical reasoning that support researchers and practitioners to improve the quality of teaching through lesson study. This was achieved through post-lesson discussion meetings, and the beliefs and values were those the participants were largely unaware of but could be clarified through a cross-cultural comparison. For instance, Japanese teachers focus more on learners and the study of teaching materials for raising the quality of teaching, whereas Iranian teachers focus more on the content of teaching and teacher behavior.

This study delivers a transnational learning opportunity for teachers and researchers to learn how to provide evidence-based analysis of a lesson to raise the quality of teaching. However, as this is a case study and focuses specifically on Kyouzai Kenkyuu, it opens up the possibility for comparative analysis of more sample lessons and other aspects of Japanese lesson study.

It may be interesting for teachers and researchers to see how such a study could help them revise their quality of teaching through lesson study and construct shared knowledge about how to teach and to clarify “the pedagogical theories” that underpin such knowledge building.

The value of this study is in its ability to reveal to educators their own unconscious teaching script and knowledge and “the pedagogical theories” that underpin such knowledge. It provides an opportunity for evidence-based critiques of our own teaching script, theory, view and values that we accept culturally, share tacitly and may not even be aware of in the construction process.

This study combines careful measurement with an “insider’s perspective” from Iran and an “outsider’s perspective” from Japan of differing educational concepts within the same subject area. The objective is to provide a deeper understanding of the real world of lesson study and how it can help educators to construct shared knowledge about how to teach in practice and to support teachers to revise the cultural context of teaching.

The purpose of this paper is to investigate the effects of scaffolded lesson study on the content knowledge, conceptions of curriculum, and classroom practice of 22 elementary and secondary history teachers in four school districts.

Teachers, teacher educators, and historians collaborated to design and test research lessons grounded in a theory-based framework for problem-based historical inquiry (PBHI) practice. The authors sought to support consonance between the reform ideas of the formal, professional development, curriculum, and the curriculum as enacted in participants’ classrooms.

Project participation was associated with significant gains in content knowledge and the conceptualization and implementation of more challenging instruction consistent with the PBHI model and the standards of authentic intellectual work (AIW). Mean AIW instruction scores for research lessons were more than double the scores for participants’ non-lesson study lessons and indicated noteworthy progress in integrating the formal and enacted curricula. Evidence suggested that many teachers developed more nuanced understandings of historical phenomena, gained greater appreciation for the importance of authentic purpose in motivating student engagement in challenging learning, and began to reconsider what is required to facilitate complex learning and to refine their repertoire of learning strategies.

Evidence from the first year of this project offers hope for the potential of collaborative communities of practice to facilitate a shared professional knowledge base of wise practice that brings the formal, intended, and enacted curriculum into greater alignment. These results also emphasize the evolutionary process of conceptual change.

The research reported in this paper brings forth the experiences of three teachers working in different schools. These teachers learned about lesson study through a course offered at the University of Malta while, at the same time, leading a lesson study with colleagues at their school. With the COVID-19 outbreak, these teachers had, out of necessity, to adopt and accommodate for their lesson study to an exclusive online approach. This paper, hence, focuses on teachers' learning as they shifted their lesson study online.

This paper presents a case study that delves into the experiences and perceptual insights that these teachers manifested in shifting to an exclusive online lesson study situation. Data collection is derived from a focus group discussion, teacher reflective entries and detailed reports documenting the lesson study process and experiences. Employing technological frames as the theoretical lens, a description-analysis-interpretation approach was employed to analyse and interpret reflections and grounded experiential perceptions that the respondents disclosed during their lesson study journey.

Notwithstanding their initial discerned sense of loss and unpreparedness of being constrained to migrate lesson study to exclusive online means, teachers eventually recognised that digitally mediated collaborative practices enhanced self-reflection about the lesson study process. Therefore, the extraordinary situation that the teachers in this study experienced not only disrupted their modus operandi but also allowed them to discern new opportunities for learning about digital technology use in lesson study.

Disruption, brought about by unforeseen circumstances, takes teachers and professional development facilitators out of their comfort zones, invariably helping them grow out of their limitations and rethink lesson study practices.

Intentionally driven disruptions prompt teachers to resolve their dissatisfactory situations by thinking out of the box, eventually helping them to improve their professional practices.

The purpose of this paper is to understand what physics and chemistry preservice teachers learn on the nature of the inquiry tasks and about classroom communication in an inquiry task when they take part in a lesson study.

This is a qualitative and interpretive research which was carried out within a master’s degree course in physics and chemistry teaching with three preservice teachers. Data were collected from participant observation with video recording, interviews, written reflections and group report by the preservice teachers. This two-cycle lesson study was conducted over 12 sessions. The data analysis took place through asking questions and using the constant comparison method, which allowed the identification of the most relevant issues about the preservice teachers learning according to the categories nature of the inquiry tasks and communication promoted by the teacher.

The results show that the preservice teachers learnt to identify the characteristics of inquiry tasks, how to develop an inquiry task when planning the research lesson and acknowledged its potential for student learning. Moreover, the preservice teachers acknowledged the fact that the classroom communication promoted by the teacher fostered student participation, negotiation of meanings about scientific concepts and construction of new learning that can be shared within the class.

Research is needed as regards how initial teacher education providers may contribute to the learning of preservice teachers in lesson study in initial teacher education programmes.

This research contributes to show potentialities of lesson study in the initial teacher education of preservice physics and chemistry teachers.