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Teachers consistently identify working with \"diverse learners\" as challenging. This raises questions about how teacher educators conceptualize and enact preparation of teachers for heterogeneous populations. This article provides a systematic review of literature relating to both \"teacher education\" and \"diverse learners,\" to identify knowledge claims regarding the way this \"problem\" and possible \"solutions\" should be framed. Analyzing 209 peer-reviewed journal articles (2009-2019), the article identifies groups most frequently described as diverse, three qualitatively different clusters of claims regarding how teachers can be prepared for diversity, and factors identified as constraining preparation. Analysis reveals a literature broad in focus - referencing many groups - but shallow in depth. The majority describe strategies for teaching about or catering to diversity with only few considering teaching for diversity. There is also limited engagement with specialist literature relating to concepts such as gender or race and little attention to teacher educators' own knowledge. The article concludes with implications for teacher educators, arguing for enhanced critical epistemic reflexivity. [Author abstract]

This study explores the relationships between teacher knowledge, teaching practice, and student learning in mathematics. It extends previous work that developed and evaluated an innovative approach to assessing teacher knowledge based on teachers' analyses of classroom video clips. Teachers watched and commented on 13 fraction clips. These written analyses were coded using objective rubrics to yield a reliable and valid indicator of their usable teaching knowledge. Previous work showed this measure to correlate with another measure of teacher knowledge and to predict students' learning from the teachers' fraction instruction. In this study, the authors replicated those findings and further showed that the effect of teacher knowledge on student learning was mediated by instructional quality, measured using video observations of teachers' lessons.

In both the United States and Europe, concerns have been raised about whether preservice and in-service training succeeds in equipping teachers with the professional knowledge they need to deliver consistently high-quality instruction. This article investigates the significance of teachers' content knowledge and pedagogical content knowledge for high-quality instruction and student progress in secondary-level mathematics. It reports findings from a 1-year study conducted in Germany with a representative sample of Grade 10 classes and their mathematics teachers. Teachers' pedagogical content knowledge was theoretically and empirically distinguishable from their content knowledge. Multilevel structural equation models revealed a substantial positive effect of pedagogical content knowledge on students' learning gains that was mediated by the provision of cognitive activation and individual learning support.

This paper reports on a study designed to examine teachers' craft knowledge of their practice of 'inclusion' in terms of what they do, why and how. The research approach offers an important alternative to studies of students with 'additional needs' and the search to articulate the specialist knowledge and skill required to teach them. Through classroom observations and interviews with 11 teachers of students across the full age range in two Scottish primary schools, we investigated how teachers make meaning of the concept of inclusion in their practice by exploring theoretical assumptions drawn from the literature about inclusive pedagogy. The analysis enabled us to identify practical examples of inclusive pedagogy that met the standard of extending what is generally available to everybody, as opposed to providing for all by differentiating for some. Examples of the inclusive pedagogical approach are provided.

Self-regulated learning has a positive effect on academic outcomes; however, little is known about whether and how teachers at various education levels promote it in their classes. Video-based classroom observations were conducted to assess primary and secondary school mathematics teachers’ direct and indirect promotion of self-regulated learning (SRL). Teachers’ implicit and explicit instruction of SRL strategies (direct promotion of SRL) and the learning environment they created (indirect promotion of SRL) were rated according to how conducive they were to self-regulation. In addition, semi-structured interviews were conducted with the secondary school teachers to gain insight into their subjective views on SRL. Although the teachers’ instructional practices could foster SRL, teachers spent little time explicitly teaching SRL strategies. Moreover, they taught mainly cognitive strategies and very few metacognitive strategies. These results were more pronounced at the primary level than at the secondary level. Primary school teachers provided learning environments conducive to self-regulation more often than secondary school teachers did. The interviews revealed that the teachers lacked knowledge about metacognition as an important component of SRL and were rather reluctant to promote it; however, most of them valued cognitive and motivational components of SRL. Primary and secondary school teachers need training to enhance their direct and indirect instruction of SRL. They could benefit in particular from learning about explicit instruction of SRL strategies and metacognition.

Among 440 early childhood teachers, half were randomly assigned to take a 14-week course on effective teacher-child interactions. This course used the Classroom Assessment Scoring System (CLASS) as the basis to organize, describe, and demonstrate effective teacher-child interactions. Compared to teachers in a control condition, those exposed to the course reported more intentional teaching beliefs and demonstrated greater knowledge of and skills in detecting effective interactions. Furthermore, teachers who took the course were observed to demonstrate more effective emotional and instructional interactions. The course was equally effective across teachers with less than an associate's degree as well as those with advanced degrees. Results have implications for efforts to improve the quality of early childhood programs through the higher education system.

This study illuminates claims that teachers' mathematical knowledge plays an important role in their teaching of this subject matter. In particular, we focus on teachers' mathematical knowledge for teaching (MKT), which includes both the mathematical knowledge that is common to individuals working in diverse professions and the mathematical knowledge that is specialized to teaching. We use a series of five case studies and associated quantitative data to detail how MKT is associated with the mathematical quality of instruction. Although there is a significant, strong, and positive association between levels of MKT and the mathematical quality of instruction, we also find that there are a number of important factors that mediate this relationship, either supporting or hindering teachers' use of knowledge in practice.

In this paper, we argue from principle that teacher education must enable a positive relationship between educational research and teaching knowledge and practice. We discuss two popular conceptions of good teaching, which conceive of the teacher as craft worker and as executive technician, and suggest that, while each of these aspects of knowing reflects something of the qualities that good teachers need, any one on its own is insufficient. In contrast to such mono-dimensional conceptions, a research-based textured notion of professional judgement encompasses a complementary and mutually enriching relationship between different aspects of professional knowledge and practice. We identify three interconnected and complementary aspects of teachers' professional knowledge: situated understanding; technical knowledge; and critical reflection. Accordingly, teaching as professional endeavour demands of teachers practical know-how, conceptual understandings of education, teaching and learning, and the ability to interpret and form critical judgements on existing knowledge and its relevance to their particular situation. We conclude that in principle research can both enrich and be enriched by teachers' professional knowledge and practice but that to build this relationship in a holistic way into teacher education programmes and partnership models presents considerable practical challenges.

Because pedagogical content knowledge (PCK) includes teachers' understanding of how students learn, or fail to learn, specific subject matter, the development of PCK is an important goal to focus on in professional development programs. The research literature clearly indicates the complex nature of PCK as a form of teachers' professional knowledge that is highly topic, person, and situation specific. This implies that professional development programs aimed at the development of teachers' PCK cannot be limited to supplying teachers with input, such as examples of expert teaching of subject matter. Instead, such programs should be closely aligned to teachers' professional practice and, in addition to providing teachers with specific input, should include opportunities to enact certain instructional strategies and to reflect, individually and collectively, on their experiences.

Both scholars and professional standards identify teachers' knowledge of students as important to promoting effective instruction and student learning. Prior research investigates two such types of knowledge: knowledge of student thinking and teacher accuracy in predicting student performance on cognitive assessments. However, the field presents weak evidence regarding whether these constructs are amenable to accurate measurement and whether such knowledge relates to instruction and student outcomes. Without this evidence, it is difficult to assess the relevance of this form of teacher knowledge. In this article, evidence from 284 teachers suggests that accuracy can be adequately measured and relates to instruction and student outcomes. Knowledge of student misconceptions proved more difficult to measure, yet still predicted student outcomes in one model.