This paper provides practical guidance for researchers who are designing and analyzing studies that randomize schools--which comprise three levels of clustering (students in classrooms in schools)--to measure intervention effects on student academic outcomes when information on the middle level (classrooms) is missing. This situation arises…

Since the passage of the No Child Left Behind Act of 2001 (2002), there has been increased interest in using student achievement data (through standardized tests) to evaluate teacher effectiveness. Two U.S. Department of Education secretaries, Secretary Spellings and Secretary Duncan, have expressed interest in growth models and the need to…

Middle school teachers' use of digital curricula incorporating dynamic technology has been found to support student learning of complex algebraic concepts. This article reports on pilot research involving collaboration among faculty from a public university's college of education, educational researchers from a nonprofit research organization, and…

During the past decade, researchers in special education have begun to investigate the unique and complex challenges encountered by novice special educators. These investigations have documented numerous factors in special education settings that contribute to the stresses of the first year of teaching for them, including: role ambiguity, students…