The original factor structure of the Aberrant Behavior Checklist was cross-validated with a U.S. sample of 470 persons with moderate to profound mental retardation (27 percent nonambulatory). Results replicated previous findings, suggesting that the original five factors (irritability, lethargy, stereotypic behavior, hyperactivity, and…

The appropriateness of the Aberrant Behavior Checklist (ABC) was investigated with 199 youngsters with dual diagnosis of mental retardation and psychiatric disturbance. With some cautions, the ABC is recommended, based on the robustness of its factor structure, clinically meaningfulness of the subscale scores, and internal consistency of the…

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)

Teacher ratings on the Aberrant Behavior Checklist were collected on 666 students with mental retardation attending special classes. Classroom placement and age had significant effects on subscale scores, whereas sex failed to affect ratings. The study concludes that the original scoring method, developed for individuals in residential facilities,…

Evaluation of the factor validity and reliability of the Aberrant Behavior Checklist (Japanese version) with 322 subjects (mean age 30) with moderate to profound mental retardation found most items loading on the same factors as in the original factor solution, high coefficient alphas across 5 subscales, high test-retest reliability, and…