Science education in the United States will increasingly be driven by testing and accountability requirements, such as those mandated by the No Child Left Behind Act, which rely heavily on learning outcomes, or "standards," that are currently developed on a state-by-state basis. Those standards, in turn, drive curriculum and instruction.…

This paper describes a research study that assessed young children with a low incidence disability, specifically Cri-du-Chat Syndrome (CDSC). A description of the concerns of assessing individuals with low incidence disabilities is described. Parent reports (using the Development Observation Checklist System) on the functioning of their children…