This first paper we are sharing on the Lyrics blog is a landmark paper about Formative Assessment. From our 2011-2012 Achievement Contract:
The landmark Black & Wiliam study (1998) goes as far as to say that assessment explicitly designed to promote learning is the single most powerful tool we have for raising achievement. While it has the potential to help all students, assessment yields particularly good results with low achievers. Assessment for learning fosters motivation by emphasizing progress and achievement rather than failure.