An attempt to provide understandable and up-to-date information regarding intelligence testing, intelligence theories, personal competence, adaptive behavior and intellectual disability (mental retardation) as they relate to death penalty (capital punishment) issues. A particular focus will be on psychological measurement, statistical and psychometric issues.
Monday, October 10, 2011
Research brief: Ravens matrices test measures same Gf (fluid intelligence) ability in individuals with MR/ID
Well designed and methodologically solid study indicates that the Ravens Coloured Progressive Matrices (measure of fluid intelligence, Gf, as per CHC theory) measures the same construct (Gf) for normals and I dividuals with intellectual disabilities.