Reference Work Entry

Encyclopedia of Autism Spectrum Disorders

pp 1585-1585

Infant/Toddler Checklist

  • Tony CharmanAffiliated withCentre for Research in Autism and Education, Department of Psychology and Human Institute of Education, University of London Email author 


Communication and symbolic behavior scales – developmental profile; CSBS-DP; Infant toddler checklist; ITC


The Infant Toddler Checklist (ITC) is a one page developmental screener that asks about early social communication development. It has been normed on over 2,000 infants and toddlers and can be used with children between 6 and 24 months of age.

Historical Background

Wetherby and colleagues (Wetherby, Brosnan-Maddox, Peace, & Newton, 2008; Wetherby et al., 2004) developed an early screening tool that can be used from 6 to 24 months of age – the Infant Toddler Checklist (ITC). The ITC is a broader developmental screen that successfully identifies children with developmental, in particular language and communication, delays as well as children with an autism spectrum disorder (ASD). The ITC is one component of the suite of early social communication assessments, known as the Communication and Symbolic Behavior Scales-Developmenta ...

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