In this paper, we describe student understanding of the "force concept" (basic concepts of Newtonian mechanics) by representing it as a vector-valued quantity, which we refer to as the "score-state vector," in a (30-dimensional) Force Concept Inventory (FCI) score space. We use a large ensemble of FCI results collected…

As teachers organize classroom schedules to meet curricular demands and time constraints, they strive to seek ways to motivate and sustain student engagement in quality vocabulary instruction, enjoyable learning experiences, and interesting informational books. This article addresses these concerns and describes a vocabulary acquisition strategy…

The Massachusetts Educational Assessment Program (MEAP) was established in 1985 to compare academic achievement among schools and districts and to give curriculum and instructional guidance. Biennially, it tests all students in grades 4, 8, and 12 in reading, mathematics, science, and social studies. Using a matrix sampling design, each student…