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The Floor Effect on the ABAS-II in Adolescents with Autism Spectrum Disorder
Fiorenzo Laghi1, Rosa Ferri2, Elvira Caramuscio2
1Department of Developmental and Social Psychology, Sapienza University of Rome, Rome, Italy.
Abstract:
The present study aimed at enhancing the assessment of adaptive behavior in adolescents with Autism Spectrum Disorder trough the Adaptive Behavior Assessment System-Second Edition. To overcome the limits underpinning floor effect, which are commonly observed with the traditional methods, the statistical Hessl method and its revision by Orsini, Pezzuti and Hulbert was adopted. The results showed a more variation using the former method compared to the latter: a greater impairment in Social versus Leisure skills emerged. Regarding the Conceptual domain, a greater deficit in Functional Academics was observed. In the Practical domain, we found a greater impairment in Self-Care skills. Conversely, Home Living skills appeared as a strength compared to other skills. The results are discussed in reference to literature.
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