Barriers to early identification of children with developmental delays include time constraints during well-child visits and lack of easily administered, quantitative measures that can be used by pediatricians. This study assesses the ease of administration of the Cognitive Adaptive Test/Clinical Linguistic and Auditory Milestone Scale (CAT/CLAMS) during well-child visits from 2 to 36 months of age. During a single visit 177 children were assessed by either a developmental pediatrician (n = 121) or a third-year pediatric resident (n = 56). The mean time required to complete the CAT/CLAMS for all subjects was 6 minutes and 10 seconds (SD 2 minutes 44 seconds); less than 10 minutes was required in 92% of children assessed. There were no significant differences in the time required by the 2 examiners at any age level. Its ease of administration and psychometric properties make the CAT/CLAMS an excellent choice for the assessment of early development by primary care pediatricians.
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