Before the school year began, Mr. Donegan went to a local pizza delivery store and asked the manager if he would donate fifteen unused pizza boxes so that he would have one for each of his students. During the first week of school, he had his students decorate them. Throughout that school year, Mr. Donegan had the students collect a variety of work products that he or they felt were demonstrative of their mastery levels, such as essays, self-evaluations, tests, work samples, and interdisciplinary products. At the end of the year, Mr. Doneganperformeda final evaluation of the portfolio using a rubric and student self-rating scale. This type of assessment is commonly referred to as a(n):
