Diploma and degree completion have become the fundamental standard for judging the performance of secondary and postsecondary educational institutions. Increasingly, leaders of education and workforce policy and programs assume that these measures of attainment effectively serve as indicators of adequate levels of essential literacy and numeracy…

Background: The relation between academic self-concept and achievement has been examined in a large number of studies. The majority of these studies have found evidence for a reciprocal effects model. However, there is an ongoing debate on how students' achievement should be measured and whether the type of achievement indicator (grades, tests,…