Capacity to Consent to Treatment Instrument (CCTI)

The Capacity to Consent to Treatment Instrument (CCTI) is a standardized psychometric instrument designed to assess the treatment consent capacity (TCC) of adults. The CCTI evaluates five different consent abilities or standards and has been shown to be a reliable and valid measure of TCC. The measure discriminates well between cognitively intact adults and persons with Alzheimer's disease (AD), Parkinson's disease dementia syndrome, and traumatic brain injury. The CCTI has application to all adult patient populations in which issues of neurocognitive impairment and consent capacity arise. Research using the CCTI has provided insight into the relationships between cognitive change and different thresholds of decisional capacity.

Structure and Administration of the CCTI

The CCTI was first developed in 1992 to empirically investigate patterns of consent capacity impairment in ...

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