This document discusses different classifications of assessments according to their purpose, form, function, the type of learning they measure, and how results are interpreted. It describes educational assessments which track student growth and performance, and psychological assessments which measure cognitive and non-cognitive traits. Paper-and-pencil tests typically have single correct answers while performance assessments require tasks and demonstrations. Standardized tests have fixed administration while teacher-made tests are more flexible. Achievement tests measure learning from instruction and aptitude tests measure characteristics influencing behavior. Speed tests are easy with time limits while power tests have increasing difficulty but sufficient time. Criterion-referenced tests compare scores to standards, while norm-referenced tests compare scores to statistical norms.