The Council of Chief State School Officers defines formative assessment as "a process used by teachers and students during instruction that provides feedback to adjust ongoing teaching and learning to improve students" achievement of intended outcomes. Margot observes that James and Sara are on their way to understanding the words distinguished and monitor and that Brianna is confident in her knowledge of similes. In strategic vocabulary instruction, student work is generated almost on a daily basis. Practice builds their confidence before they have to take a test that carries a grade or a standardized score. Ongoing assessment helps the reader gauge language students already know, take a look at their understanding of new words, and evaluate their ability to apply vocabulary before the people move to the next lesson.