Early diagnosis of autism spectrum disorder (ASD) facilitates access to interventions that improve outcomes for children and families. Understanding developmental and behavioral manifestations of symptoms and competencies improves early diagnosis. The authors illustrate the benefits of using the ZERO TO THREE "DC:0-5™: Diagnostic…

Early intervention and early childhood special education professionals espouse the need for authentic assessment and meaningful family involvement, as well as relationship-based and routines-based intervention. This article explores a play-based approach to assessment that reflects these values by using the Transdisciplinary Play-Based Assessment,…

The issue of congruence and consistency among multiple team estimates of child functioning was addressed. Multihandicapped children were assessed by an interdisciplinary developmental diagnostic team using several developmental/behavioral scales. Assessments revealed evidence of team congruence in diagnosis. Data analysis indicated consistency…