Student assessment is the means by which teachers—the directors of the learning experience—appraise the success of their lessons on students—the product of the instruction. Teachers at every level of instruction realize the importance of fair, reliable, and valid assessment. There are nearly as many evaluation practices that have developed that discredit and sometimes nullify honest assessment attempts as there are dependable practices. This chapter addresses the question of what types of assessment are detrimental and invalidate attempts for true and meaningful student assessment.