The purpose of this study was to develop, scale, and validate assessments in engineering, science, and mathematics with grade appropriate items that were sensitive to the curriculum developed by teachers. The use of item response theory to assess item functioning was a focus of the study. The work is part of a larger project focused on increasing…

Given limited funding for school-based science education, non-school-based programs have been developed at colleges and universities to increase the number of students entering science- and health-related careers and address critical workforce needs. However, few evaluations of such programs have been conducted. We report the design and methods of…

The No Child Left Behind (NCLB) legislation spawned a plethora of standardized testing services for all the high stakes testing required by the law. We argue that one-size-fits all assessments disadvantage students who are English Language Learners, in the USA, as well as students with limited economic resources, special needs, and not reading on…