“…In addition, we needed to bear in mind that students, parents, teachers, school administrators, government officials and other stakeholders interpret data from large-scale assessments to plan for improvement, guide decision-making, allocate resources and/or set educational policies (Coburn & Talbert, 2006;Kornhaber, 2004;van Barneveld, Stienstra & Stewart, 2006). Thus, the strategy of having some or all of the items on a large-scale assessment count towards course grades needed to be examined thoroughly to determine its overall effectiveness by first properly merging the data.…”