The purpose of this study was to use classification trees and logistic regression to identify subgroups of students more likely to be retained. The National Educational Longitudinal Study of 1988 (NELS:88) was used to identify the sociodemographic, family background and school related factors associated with grade retention. The sample size for…

This follow-up study, which was part of a larger ongoing longitudinal project, compared early infant-parent attachment relationships to aspects of both parents' and children's mental representations of attachment when children were 6 years old. The sample consisted of 50 mothers, fathers, and children of predominantly upper-middle class social…

This study compared 4 methods (2 case history and 2 performance-based) used to classify the status of adult subjects in familial studies of developmental language disorders, involving 24 parents of children with developmental language disorders and 24 unrelated adult controls. Classification by case history found fewer affected adults than…