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.
Sunday, January 27, 2013
: Showdown looming over predictive accuracy of actuarials
This is very relevant to predictions made based on group-based IQ scores in the case of individuals, such as expected tested achievement given a specific IQ score. It is all about the standard error of the estimate/prediction (SEest) which I have described in a number of Atkins declarations.