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Type of Measure: The Communication and Symbolic Behavior Scales - Devevelopmental Profile (CSBS-DP) Infant/Toddler Checklist is a one-page measure of early communication and symbolic skills in young children that aims to identify those who have or are at-risk for developing a communication impairment. The Checklist was designed to measure seven language predictors, which include: emotion and use of eye gaze, use of communication, use of gestures, use of sounds, use of words, understanding of words, and use of objects. This checklist can be used independently, or in conjunction with two other CSBS-DP test components (i.e. a four-page follow-up caregiver questionnaire and a behavior sample). NOTE: Only the Infant/Toddler Checklist is free, the other components of the CSBS-DP are non-free.

Target Population: Young children (6 to 24 months of age)

Measurement properties and previous use: The Infant/Toddler Checklist has evidence of concurrent validity with its other two test components (i.e. the caregiver questionnaire and the behavior sample; correlation coefficients range from 0.50 to 0.87), and it has demonstrated test re-test stability over a 4-month testing interval with correlation coefficients ranging from 0.64 to 0.87 (Wetherby, Allen, Cleary, Kublin, & Goldstein, 2002). There is also evidence of a concurrent and predictive relationship between the Checklist and children’s receptive and expressive language at 2 years of age. More recent studies (e.g. Eadie et al., 2010) also suggest that the Infant Toddler Checklist is a valid clinical tool for measuring constructs broadly representing social, speech, and symbolic communication skills.

Languages: English, Spanish, French, Slovenian, Chinese, German, and Swedish

Authors and Citation:
Wetherby, A. M., & Prizant, B. M. (2001). Communication and Symbolic Behaviour Scales–Infant/Toddler Checklist. Baltimore: Paul H. Brookes Publishing Co.

Wetherby, A. M., Allen, L., Cleary, J., Kublin, K., & Goldstein, H. (2002). Validity and reliability of the communication and symbolic behavior scales developmental profile with very young children. Journal of Speech, Language, and Hearing Research, 45(6), 1202-1218.

Licence: There are two different license statements, but both state the measure can be freely used.
via First Words The Checklist is copyrighted (Wetherby & Prizant, 2001), but remains free for use and can be downloaded from the Internet and freely photocopied or duplicated by other meathods.

via Brooks Publishing The Infant-Toddler Checklist is copyrighted by Brookes Publishing but is available for download for free. Contact for information on reprinting or reposting.

Link to measure: CSBS-DP Also available at Brooks Publishing

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