@article {5595,
	title = {Maximizing the Power of Formative Assessments},
	journal = {Phi Delta Kappan },
	volume = {90},
	year = {2009},
	pages = {640-644},
	keywords = {formative assessment},
	url = {http://artofeducating.com/_library/data\%20and\%20assessment/school\%20assessment/Stiggins\%20-\%20Common\%20Assessments.pdf},
	author = {Stiggins, R. and DuFour, R.}
}
