The purpose of this study was to determine the extent that diagrammatic literacy is necessary for success on standardized science tests at the late-elementary and middle grade levels. Towards this goal, we quantified the frequency, form and function of graphical representations on select state science tests. 985 tests items from 14 states were…

Under the new federal No Child Left Behind law, state assessments must be aligned to grade-level standards/benchmarks, and every school in Indiana and other states will soon be judged based on its ability to raise the percentage of students achieving proficiency on these tests. This will no doubt lead to much greater scrutiny of states'…