Although most publications on specifications grading indicate no change in, or a reduction in, grading time, several comment on the time investment required to design and build the system. The consensus is that the time investment associated with designing the specifications grading system is substantial . Time-consuming aspects of designing a specifications grading system that were mentioned include developing quiz questions and building question banks , constructing new rubrics and assignment guidelines , and crafting grade bundles in which assignments are appropriately mapped to final letter grades .