<prompt> All are true about autism EXCEPT:Age between 18-24 monthsChild is able to interactRepetitive behavior is seenLanguage is not well developed  <response>: ANSWER: B Child is able to interactREF: Kaplan Sadocks Synopsis of Psychiatry 10tEl Edition p. 1194, Current Diagnosis Treatment in Psychiatry Chapter 37Major Diagnostic Features of Dsm-iv Pervasive Developmental DisordersFeatureAutisticDisorderAspergersDisorderChildhoodDisintegrativeDisorderRettsDisorderPervasive Developmental Disorder NOSSocial impairmentLanguage or communication disorder Repetitive interests and activitiesOnset prior to 36 months Average intelligence Period of normal development -t- Loss of skills in several areas 