Over 25 years of research have proven CBM to be reliable and valid indicators of critical basic skills. AIMSweb measures are CBM. AIMSweb assessment measures have received highly favorable review from the National Center on Student Progress Monitoring (www.studentprogress.org) and the National Center on Response to Intervention (www.rti4sucess.org). Additionally, research and other articles can be found in the Research section at www.aimsweb.com