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…

Although several studies have shown that planning, attention, simultaneous, and successive (PASS) cognitive processes--operationalized with the cognitive assessment system (CAS; Naglieri & Das, 1997)--are significant predictors of academic performance in the general population, little is known about their role among children with superior…

The purpose of this study was to examine whether components of the Planning, Attention, Simultaneous, and Successive (PASS) processing theory of intelligence predict reading and mathematics proficiency in a group of intellectually gifted children. One hundred forty-two intellectually gifted children (70 females, 72 males; M[subscript…

A group of 50 skilled readers and a group of 50 less-skilled readers of Grade 5 matched for age and intelligence and selected on the basis of their proficiency in reading comprehension were tested for their competence in word reading and the processes of attention, simultaneous coding, successive coding and planning at three levels, i.e.,…