Craig A. Mertler has been an educator for 30 years, having begun his career as a high school biology teacher. He is currently an Associate Professor in Leadership and Innovation at Arizona State University. He teachers doctoral courses focused on the application of action research in schools. He is the author of 20 books and 18 refereed journal articles. He conducts workshops for school personnel on classroom-based action research and on the broad topic of classroom assessment. Dr. Melter can be reached at firstname.lastname@example.org for professional development and speaking engagements.