Although lesson study (LS) is widely considered a promising approach to teachers' professional development, the variation in teacher learning LS not yet well understood. Using cultural–historical activity theory lens, we identify aspects of as significance for learning. mixed-methods analysis questionnaire and interview data drawn from 17 secondary school teachers, find multiple variables relev...

In the tradition of Activity Theory we analyse learning as a cultural-historical activity system, mediated by tools that both constrain and support the learners in their goals of transforming their knowledge and skills. We separate two perspectives, or layers, of tool-mediated activity. The semiotic layer describes learning as a semiotic system in which the learner’s objectoriented actions are ...

Psychoanalytic theory has been criticized for decontextualizing individual development. While recognizing the historical neglect of sociocultural context in psychoanalytic theory, this article raises attention to psychoanalytic contributions to the exploration of sociocultural issues in psychotherapy and calls for a systematic inclusion of cultural competence as a core area of emphasis of psych...

Eighty years ago, L. S. Vygotsky complained that psychology was misled in studying thought independent of emotion. This situation has not signifi cantly changed, as most learning scientists continue to study cognition independent of emotion. In this book, the authors use cultural-historical activity theory as a perspective to investigate cognition, emotion, learning, and teaching in mathematics...