Trigonometric derivatives are fundamental in both mathematics and physics, yet their correct application, particularly the distinction between radians and degrees, remains a significant challenge for college students worldwide. This study identifies a widespread "blind spot" in understanding trigonometric derivatives and their…

Despite the extensive testing for federal accountability mandates, college students' understanding of federal accountability testing (e.g., No Child Left Behind, Race to the Top, Spellings) has not been examined, resulting in a lack of knowledge regarding how such understanding (or lack thereof) impacts college students' behavior on accountability…

Today's classrooms are more diverse than ever. In fact, research shows that there will be a steady increase in Hispanic, Asian Americans, and African American students in the coming years. Therefore, differentiated instruction may be the panacea that educators are searching for. This paper commences with an introduction and then segways into a…