Many studies in the past decades have focused on low and typical mathematics achievers, yet little is known about children with high mathematics achievement, particularly at a young age. The current study aimed to fill this gap and started from the early work of Krutetskii (1976) as a theoretical lens to study the characteristics of high…

Few studies have been conducted in Greece, which focus on the education of children with multiple disabilities (motor and intellectual disabilities, ID). Four children between the ages 9 and 15 with multiple disabilities (motor and ID) were selected to be taught social skills. The aim of this qualitative study was to provide training with regard…

Anybody who has studied education over the past forty years is aware that secondary education in England is the subject of continuous and continuing debate. Everyone has been to school and therefore everyone lays claim to some expertise--the lot of teachers is never easy. But it is a contention of this article that teachers are at least partly…

The purpose of the study was to measure the effects of higher level, inquiry-based science curricula on students at primary level in Title I schools. Approximately 3,300 K-3 students from six schools were assigned to experimental or control classes (N = 115 total) on a random basis according to class. Experimental students were exposed to…

Background: Securing appropriate challenge or preventing boredom is one of the reasons frequently used to justify ability grouping of gifted students, which has been shown to have beneficial effects for achievement. On the other hand, critics stress psychosocial costs, such as detrimental effects on academic self-concept (contrast or…

Spearman's "law of diminishing returns" or SLODR refers to a decrease in "g" saturation as ability level increases. SLODR has been demonstrated in a number of intellectual batteries but several important aspects of the phenomenon are not yet well understood. We investigated the presence of SLODR in the Kaufman Assessment…