Answer:
formative assessment
Explanation:
Formative assessment can be described as the number of different ways which teachers use to make in process evaluations of the academic progress of children. By looking at these evaluations, the teachers can get ideas to incorporate some better methods for making a particular concept more easier and clear for the children.
One such method of formative assessment was being used by Sadie. She took videos of her students to observe and make notes on their progress.