This replication study found that only 16 of 55 raters agreed on the category of reinforcement maintaining a disabled individual's self-injurious behavior after using the Motivation Assessment Scale. Additionally, only 15 percent of the correlation coefficients obtained were above 80 percent, and none of the reliability scores was above 80…

Parent and teacher ratings on the Aberrant Behavior Checklist with an outpatient sample of 110 children, adolescents, and young adults with mental retardation found that the 5-factor structure of both parent and teacher data corresponded very well with the 5 factors originally obtained from staff ratings of mentally retarded inpatients. (Author/DB)

The Adolescent Behavior Checklist is a self-report scale used to assess the likelihood that an adolescent with mild mental retardation or borderline intelligence has a diagnosable mental illness. The scale was found to be more effective in screening in adolescents with psychiatric diagnoses than in screening out adolescents without psychiatric…