The Screening Tool for Autism in Two Year Olds can identify children at risk of autism

MAIN RESULTS In the initial validation sample consisting of children with autism or DD/LI, the STAT yielded a sensitivity of 0.92, a specificity of 0.85, a positive predictive value of 0.86, and a negative predictive value of 0.92 compared with DSM-IV diagnoses. Wendy L Stone, Vanderbilt Child Development Center, 426 Medical Center South, 2100 Pierce Avenue, Nashville, TN 37232-373, USA; wendy.stone@vanderbilt.edu Sources of funding: US Department of Education, National Institute of Mental Health, and National Institute of Child Health and Human Development.