Erratum to: J Autism Dev Disord DOI 10.1007/s10803-011-1213-1

In Fig. 1 as published in this article, the graph in the middle is the same as the first one (just first two bars in the first graph)—which is an error. The correct version of Fig. 1 is given.

Fig. 1
figure 1

Percent of participants falling into ranges of concern by diagnostic group