Parents of 601 children and adolescents with mental retardation rated their children on the Aberrant Behavior Checklist-Community (ABC). Factor analysis revealed a factor structure similar to the original ABC but without the inappropriate speech factor. Analysis of subject variables revealed main effects for gender, age, and classroom assignment…

The psychometric properties of the Motivation Assessment Scale were examined using 90 ratings of different problem behaviors among 86 individuals with mental retardation. Although reliability and internal consistency were generally poor, the results depended upon topographies of problem behavior and methods of calculation. The construct validity…

Analysis of teacher and parent ratings of 369 children with developmental disabilities on the Nisonger Child Behavior Rating Form provided normative data (means, T scores, and percentiles). Age influenced three of eight subscales on the parent ratings and one subscale on the teacher ratings. Gender did not influence subscale scores. (Author/DB)