'Clinically significant' elevations are indicated by T-scores ≥ 64 on the broadband scales, and ≥ 70 on the syndrome scales. 'Borderline' elevations range from 60–63 and 65–69 on the broadband and syndrome scales, respectively.
The Child Behavior Checklist (Achenbach, 2001) is a 140 item scale that measures child behavior under seven constructs: emotionally reactive, anxious/depressed, somatic complaints, withdrawn, sleep problems, attention problems and aggressive behavior, 3 point Likert scale (0=Not True (as far as you know), 2=Very True ...
There are two "broadband" scales that combine several of the syndrome scales: Internalizing problems sums the Anxious/depressed, Withdrawn-depressed, and Somatic complaints scores; Externalizing problems combines Rule-breaking and Aggressive behavior.
The Child Behaviour Checklist (CBCL/6–18) is a 113-item parent report measure designed to assess behavioural and emotional problems in children and young people aged 6–18 years.
CBCL/1.5-5 - Child Behavior Checklist for Ages 1.5-5. The CBCL/1.5-5 obtains caregivers' ratings of 99 problem items. Items are scored on the following syndrome scales: Emotionally Reactive, Anxious/Depressed, Somatic Complaints, Withdrawn, Attention Problems, Aggressive Behavior, and Sleep Problems.
ï‚´ The CBCL form is self-explanatory and includes biographical and general functioning questions as well as 113 statements that are rated as not true ( score 0), somewhat/sometimes true (score 1), or very true/often true (score 2).
The findings showed that the Child Behavior Checklist 1.5-5 performed well in identifying autism spectrum disorder, with high reliability and consistency in the results.