dr. steven wertz and stefanie barenblat, have worked with hundreds of autistic children. >> hi, it's so nicesee you. >> oh, we like it here, don't we, rosie? >> [humming] >> andy and kara will be learning techniques which will form the basis of rosie's year-round home schooling. >> so in your materials, you wrote that her cognitive ability was really low. >> in that help form, you know, how many hundreds of questions, and then, you know, it ended up being about ten that she was capable of doing. and it was, like, so depressing. >> yeah, ten answers that she could do. >> it wasn't to depress you. >> no, no, no. >> [laughing] >> yeah. >> we like to get a... >> yeah, i know, of course. >> a kind of, an idea of where she is. >> a picture, yeah, of course. >> [screaming] >> ready? >> is there anything to put in that bottle? >> yeah, let's do it. >> rosie's teaching will take place behind this mirrored observation window. >> oh, really? >> and it's time for her first lesson. >> do we have a picture of a baby's b-o-t-t-l-e? >> [screaming] >> steven helps rosie to hand over a picture of a bottle, to