Continuity and change in the social competence of children with autism, Down syndrome and developmental delays /
Sigman, Marian. ,
Continuity and change in the social competence of children with autism, Down syndrome and developmental delays / Marian Sigman and Ellen Ruskin ; collaboration with Shoshana Arbelle ... [and others]. - vi, 142 pages : illustrations ; 23 cm.
0631215913
Developmentally disabled children--Longitudinal studies.--United States
Autistic children--Longitudinal studies.--United States
Down syndrome.
Social skills in children--United States.
HV894 / .S53 1999
Continuity and change in the social competence of children with autism, Down syndrome and developmental delays / Marian Sigman and Ellen Ruskin ; collaboration with Shoshana Arbelle ... [and others]. - vi, 142 pages : illustrations ; 23 cm.
0631215913
Developmentally disabled children--Longitudinal studies.--United States
Autistic children--Longitudinal studies.--United States
Down syndrome.
Social skills in children--United States.
HV894 / .S53 1999