The concept of differentiation holds immense significance in education, touching upon aspects like access, inclusion, justice, and equality. However, it is also a complex and elusive notion, which acquires different meanings across historical and cultural contexts. This article explores the shifting reasoning about differentiation in the Swedish…

American educators have become very concerned by mandates prescribed in the federal No Child Left Behind Act and a slew of state-level reforms such as new curriculum standards and requirements. It is difficult for them to entertain other suggestions. The concern is understandable because noncompliance leads to unbearable consequences. Failure to…

Discusses the reasons for the rise in IQ scores over time. Demonstrates the effect of the decrease in age at levels of schooling on the rise in IQ scores utilizing the data from the 1936 and 1968 standardization of the Otis Intermediate Test of Mental Ability, Form A, in New Zealand. (CMK)