Data-driven instructional decision making (or D-DIDM) is a "process by which educators examine [data] in order to identify student strengths and deficiencies" (Mertler, 2007). My view of the process of D-DIDM merges three critical educational practices: classroom-based (or site-based) action research, assessment of student learning, and reflective…

Assessing student performance is one of the most critical aspects of the job of a classroom teacher; however, many teachers do not feel adequately prepared to assess their students performance. In order to measure and compare preservice and inservice teachers' assessment literacy', two groups wee surveyed using the "Classroom Assessment Literacy…

A study of methods used to ensure validity and reliability in classroom assessments surveyed 625 elementary and secondary teachers in Ohio. Results indicate teachers spent little time conducting statistical analyses of their student evaluation data, and many techniques used were poor and inadequate. Additional professional development and improved…