Performance on face-valid IADL tasks in the lab is less related to independent performance of similar tasks at home than is performance on the D-KEFS: a face validity paradox.
OBJECTIVE Estimating functional independence is a critical component of neuropsychological evaluations in older adults. Commonly, three methods are used to estimate a patient's ability to engage in instrumental activities of daily living (IADLs): (1) rating scales of functional independence and (2) performance-based me...