Assessment for learning (AfL) and differentiated instruction (DI) both imply a focus on learning processes and affect student learning positively. However, both AfL and DI prove to be difficult to implement for teachers. Two chemistry and two physics teachers were studied when designing and implementing the formative assessment of conceptual…

Formative assessment, and especially feedback, is considered essential to student learning. To provide effective feedback, however, teachers must act upon the information that students reveal during instruction. In this study, we apply a framework of formative assessment to explore how sensitive teachers are to students' thoughts and ideas when…