This article addresses the conceptual question "what is lesson study?" as an issue that arises in the context of the globalisation of lesson study as a method for improving teaching and learning beyond its presumed origins in the Japanese education system. To what extent can adaptations of the method in different national settings be…

This study investigates the use of Lesson Study in three U.S. schools. Lesson Study is part of the culture of teaching in Japanese K-8 schools. Researchers in the United States brought the practice of Lesson Study ("jugyokenkyo" in Japanese) to light in the late 1990's while investigating reasons for differences in the performance of…

Results from the Third International Mathematics and Science Study (TIMMS) have recently captured the attention of the United States and once again focused the nation on matters of mathematics teaching and learning. In general, the TIMSS results indicate a pervasive and intolerable mediocrity in mathematics teaching and learning in the middle…