Purpose: The purpose of the present study was to examine the effectiveness of an instructional procedure called "aided language modeling" (ALM) on symbol comprehension and expression in 2 preschool children with autism who used few words functionally. ALM consists of engaging the child in interactive play activities and providing models of use of…

Forty 3-year-olds learned either 12 standard Blissymbols (SBS) or their enhanced forms (EBS). Results demonstrated that the subjects learned EBS faster than SBS, remembered more EBS than SBS, did not differ in the communicative use of SBS and EBS, and were affected more negatively when presented with the untrained SBS than EBS. (Author/JDD)