Many adolescents struggle with reading comprehension, despite an emphasis on reading instruction over recent decades. Evidence suggests that informational text is particularly challenging for students. To implement assessments within a multi-tiered framework, schools must have psychometrically adequate tools. Using data of 473 students in Grades 6…

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…