In this article, we delineate essential commonalities and distinctions between two approaches to measurement for instructional decision making. Specific subskill mastery measurement is explained using a case study, and salient features of this predominant model are described. Then, a major contrasting approach, the general outcome measurement model, is explained; a curriculum-based measurement
... [Show full abstract] case study is provided to illustrate general outcome measurement; and the essential features of this alternative model are reviewed. Finally, we describe how general outcome measurement represents an innovative approach to assessment by bridging traditional and contemporary paradigms.