Critically evaluates recent research aimed at empirical identification of homogeneous subtypes of learning disability. It is suggested that researchers strive for more commonality in the methods and measures used for subtype analysis leading to a single classification scheme to reduce heterogeneity and improve educational efforts. (Author/DB)

This article describes a continuum of definitions of giftedness from conservative to liberal and discusses how these definitions relate to the development of the 3-ring conception of giftedness. In this definition, above average ability, task commitment, and creativity are seen as 3 interactive clusters of traits that gifted students may exhibit.…

The psychological dimensions hypothesized to describe common instructional treatments and materials, and the relevant psychological characteristics assumed to describe students are discussed in their relationship to studies of aptitude-treatment interaction (ATI). The Annehurst Curriculum Classification System is described as a practical model…