From Education Week:
The federal government and dozens of states are slowly paving the way for widespread use of high-stakes online exams that adjust the difficulty of their questions based on the skill levels of individual test-takers. But dueling congressional proposals to overhaul the Elementary and Secondary Education Act, currently known as No Child Left Behind, highlight lingering disagreements over how computer-adaptive assessment should function and have reignited long-standing concerns held by advocates for students with disabilities.