Does a Measure of Support Needs Predict Funding Need Better Than a Measure of Adaptive and Maladaptive Behavior?

Samuel R.C. Arnold, Vivienne C. Riches, Roger J. Stancliffe

Research output: Contribution to journalArticlepeer-review

7 Scopus citations


Internationally, various approaches are used for the allocation of individualized funding. When using a databased approach, a key question is the predictive validity of adaptive behavior versus support needs assessment. This article reports on a subset of data from a larger project that allowed for a comparison of support needs and adaptive behavior assessments when predicting person-centered funding allocation. The first phase of the project involved a trial of the Inventory for Client and Agency Planning (ICAP) adaptive behavior and Instrument for the Classification and Assessment of Support Needs (I-CAN)-Brief Research version support needs assessments. Participants were in receipt of an individual support package allocated using a person-centered planning process, and were stable in their support arrangements. Regression analysis showed that the most useful items in predicting funding allocation came from the I-CAN-Brief Research. No additional variance could be explained by adding the ICAP, or using the ICAP alone. A further unique approach of including only items from the I-CAN-Brief Research marked as funded supports showed high predictive validity. It appears support need is more effective at determining resource need than adaptive behavior.

Original languageEnglish (US)
Pages (from-to)375-394
Number of pages20
JournalAmerican journal on intellectual and developmental disabilities
Issue number5
StatePublished - Sep 1 2015
Externally publishedYes


  • adaptive behavior
  • assessment
  • intellectual disability
  • support needs


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