Development and validation of a functional screening tool for adults with intellectual disabilities

Nophar Ben-David, Meir Lotan, Daniel Sender Moran

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


Background: The dynamic nature of intellectual disability necessitates repeated screening. Method: The functional screening tool (FST-ID) for individuals with intellectual disabilities was carefully constructed. Results: The FST-ID General Adaptive Composite score (GAC) runs between 0 and 68 points. Criterion validity—high-positive correlations were found between FST-ID and ABAS-II (Gold standard), and between the severity of the intellectual disability and the FST-ID (r = 0.78, p <.001). The scale holds high-internal consistency and intra- and inter-rater reliability values. The cut-off point between mild and moderate disability is 50.4 (Sensitivity: 87%, Specificity 86%, p <.001) and 29.4 between moderate to severe-profound (Sensitivity: 96%, Specificity 94%, p <.001). Conclusions: The FST-ID presents high-psychometric properties and requires less than 5 min to complete. Using this tool may support efficient screening practices and improved supports for adults with intellectual disability.

Original languageEnglish
Pages (from-to)1281-1296
Number of pages16
JournalJournal of Applied Research in Intellectual Disabilities
Issue number6
StatePublished - Nov 2022


  • adults with intellectual disabilities
  • quick functional screening tool


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