Successful teacher professional development (TPD) programs involve teachers in learning activities which are similar to the ones teachers will use with their students. If professional development is considered a learning process that teachers have to carry out, then their attempts to fulfill their professional needs through improving their…

Cultural-historical activity theory (CHAT) has been used in several development studies, but few have used it for the purposes of formative assessment. This article reports from a study where the activity system was used to conduct a historical and actual-empirical analysis of the assessment culture at a purposively selected school. The article…