What Does Research Say About Assessment

Assessment may be defined as "any method used to better understand the current knowledge that a student possesses." This implies that assessment can be as simple as a teacher's subjective judgment based on a single observation of student performance, or as complex as a fivehour standardized test. The idea of current knowledge implies that what a student knows is always changing and that we can make judgments about student achievement through comparisons over a period of time. Assessment may affect decisions about grades, advancement, placement, instructional needs, and curriculum.