4.5 Article

Mathematics teaching expertise: A study of the dimensionality of content knowledge, pedagogical content knowledge, and content- specific noticing skills

Journal

TEACHING AND TEACHER EDUCATION
Volume 114, Issue -, Pages -

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tate.2022.103696

Keywords

Content-specific expertise; Professional knowledge of mathematics teachers; Pedagogical content knowledge; Content knowledge; Mathematical knowledge for teaching; Teacher noticing

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Identifying the nature of the expertise needed for teaching a subject matter is crucial in teacher preparation. This study examines the distinct manifestations of content-specific knowledge and skills required for teaching mathematics. The findings suggest that teachers' content-specific expertise is multidimensional and includes content knowledge, pedagogical content knowledge, and content-specific noticing skills. The study emphasizes the influence of the conceptualization of content knowledge on the dimensionality of the construct.
Identifying the nature of the expertise needed to teach a subject matter is instrumental in preparing the teaching workforce. Scholars have stressed the subject-specific nature of such expertise and theorized that to teach a given subject matter, teachers need distinct manifestations of content-specific knowledge and skills. Yet empirical studies supporting the distinguishability of these constructs have been mixed. This study aims to add to the field by showing how different conceptualizations of teachers' content knowledge may have affected the dimensionality of these constructs in prior studies. It also builds further understanding of whether content specific noticing is a separate construct from content and pedagogical content knowledge for elementary school mathematics teachers. Data was collected from 290 teachers from 48 states in the United States and our findings indicate that teachers' content-specific expertise for teaching mathematics is multidimensional. The findings suggest that content knowledge (with two distinct components), pedagogical content knowledge, and content-specific noticing skills are separate components of teachers' expertise for teaching mathematics. Furthermore, our findings underscore the influence that the conceptualization of content knowledge has on the empirical results for the dimensionality of the construct.(c) 2022 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).

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