How to use Theme in psychology research - autistic behavior

In what aspects exactly do children with a Pervasive Developmental Disorder (PDD), like autism, contrast with their peer group? Are there, for instance, differences in the level of organization of their behavior? Willemsen-Swinkels and her colleagues of the University Medical Center Utrecht, The Netherlands, addressed the latter question and compared the behavior of children with a PDD with that of normally developing children. The researchers videotaped 82 children (PDD and non-PDD) in a 40- min semi-structured playroom session after separation and reunion with one of their parents. The behavior of child and parent was coded from videotape by means of The Observer.

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