On the theorization of lesson study and learning study

Purpose The purpose of this paper is to provide an introduction of the papers in the current issue. Design/methodology/approach By revealing contrasting features of alternative theories of learning, this paper offers a contribution to the on-going discussion about the role of learning theory in Japanese lesson study and its global adaptations. Findings Attempts to theorize lesson study in contrast to the theory-based learning study reveal a fundamental difference in the learning theories used to underpin this task related to the different world views on which they are founded. Originality/value This paper review provides an overview of the insights into lesson and learning studies provided by the authors in this issue of the journal.