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Examining the function of problem behavior in Fragile X Syndrome: preliminary experimental analysis

Langthorne, Paul, McGill, Peter, O'Reilly, Mark F., Lang, Russell, Machalicek, Wendy, Chan, Jeffrey Michael, Rispoli, Mandy (2011) Examining the function of problem behavior in Fragile X Syndrome: preliminary experimental analysis. American Journal on Intellectual and Developmental Disabilities, 116 (1). pp. 65-80. ISSN 1944-7558. (doi:10.1352/1944-7558-116.1.65) (KAR id:26317)


Fragile X syndrome is the most common inherited cause of intellectual and developmental disability. The influence of environmental variables on behaviors associated with the syndrome has received only scant attention. The current study explored the function served by problem behavior in fragile X syndrome by using experimental functional analysis methodology with 8 children with fragile X. No child met criteria for attention-maintained problem behavior, 5 children met criteria for escape-maintained problem behavior, and 4 children met criteria for tangible-maintained problem behavior. Results are discussed and compared with previous findings on the function of problem behavior in fragile X syndrome, and implications for intervention are discussed. It is noted that the external validity of these findings is limited by the small sample size.

Item Type: Article
DOI/Identification number: 10.1352/1944-7558-116.1.65
Subjects: H Social Sciences > HV Social pathology. Social and public welfare > HV3008 People with mental disabilities
Divisions: Divisions > Division for the Study of Law, Society and Social Justice > School of Social Policy, Sociology and Social Research > Tizard
Funders: Economic and Social Research Council (
Remedi (
Depositing User: Peter McGill
Date Deposited: 29 Jun 2011 15:39 UTC
Last Modified: 12 Jul 2022 10:40 UTC
Resource URI: (The current URI for this page, for reference purposes)

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