Although Cognitive Assessment System (CAS)-2: Brief was published in 2014 and it is used in applied settings all over the world, we still do not know how well it relates to academic achievement. Thus, this study aimed to examine the relations of CAS-2: Brief with reading and mathematics performance. Two hundred and twenty-two Greek-speaking…

The authors examined the big-fish-little-pond effect (BFLPE) on academic self-concept (ASC) using different indicators of academic ability (i.e., achievement test, cognitive ability test, grades corrected for grading-on-a-curve effects, uncorrected grades). They investigated under what circumstances grades are suitable indicators of academic…