Assessment: The process of gathering information to monitor progress and make education aldecisions if necessary. As noted in my definition of test, an assessment may include a test, butalso includes methods such as observations, interviews, behavior monitoring, etc
Evaluation: Procedures used to determine whether the subject (i.e. student) meets a presetcriteria, such as qualifying for special education services. This uses assessment (remember thatan assessment may be a test) to make a determination of qualification in accordance with apredetermined criteria
Measurement, beyond its general definition, refers to the set of procedures and the principles forhow to use the procedures in educational tests and assessments. Some of the basic principlesof measurement in educational evaluations would be raw scores, percentile ranks, derivedscores, standard scores, etc.