Elaine C. Brown

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Animal studies elucidating the neurobiology of fragile X syndrome (FXS) have led to multiple controlled trials in humans, with the Aberrant Behavior Checklist-Community (ABC-C) commonly adopted as a primary outcome measure. A multi-site collaboration examined the psychometric properties of the ABC-C in 630 individuals (ages 3-25) with FXS using exploratory(More)
The parents of 601 children and adolescents, responding to a mail survey, rated their children on the Aberrant Behavior Checklist-Community (ABC-C). Factor analysis of ABC-C ratings revealed a factor structure that was similar to the original ABC but without the fifth factor (Inappropriate Speech). Coefficients of congruence were moderate to large for the(More)
A quantitative method for typing psychopathology of youngsters with mental retardation was assessed. Parents of 601 students in special educational placements rated them with the ABC. The sample was randomly divided into two subgroups. We used Ward's hierarchical method of cluster analysis and derived eight clusters in Subsample 1 and satisfactory(More)
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