Background and purpose: Relatively little research has been conducted on methodology within Cultural-Historical Activity Theory (CHAT). CHAT is mainly used as a framework for developmental processes. The purpose of this article is to discuss both focuses for research and research questions within CHAT and to outline methodologies that can be used…

This article focuses on teachers' learning in a research and development (R&D) work project. The teachers are working in a lower secondary school, and the cooperation between them and the researcher lasted for two years. The aim of this article is to show what teachers can learn and how they can learn during such a project. In the qualitative…