biostudies-literatureUnknown9Kaplan M<h4>Background</h4>Conventional methods of functional assessment include subjective self- or informant report, which may be biased by personal characteristics, cognitive abilities, and lack of standardization (eg, influence of idiosyncratic task demands). Traditional performance-based assessments offer some advantages over self- or informant reports but are time-consuming to administer and score.<h4>Objective</h4>This study aims to evaluate the validity and reliability of the Virtual Kitchen Challenge-Version 2 (VKC-2), an objective, standardized, and highly efficient alternative to current functional assessments for older adults across the spectrum of cognitive aging, from preclinical to mild dementia.<h4>Methods</h4>A total of 236 community-dwelling, diverse older adults completed a compJMIR aginge82092https://www.ebi.ac.uk/biostudies/studies/S-EPMC12824580biostudies-literatureThe Virtual Kitchen Challenge-Version 2: Validation of a Digital Assessment of Everyday Function in Older Adults.PMC12824580Halberstadter KRosahl MDrabick DAGSimone SMHolmqvist SMcKniff MVallecorsa GSerruya MDYamaguchi TGiovannetti THackett KTassoni MBChaturvedi RMis REKaplan MfalseThe Virtual Kitchen Challenge-Version 2: Validation of a Digital Assessment of Everyday Function in Older Adults.<h4>Background</h4>Conventional methods of functional assessment include subjective self- or informant report, which may be biased by personal characteristics, cognitive abilities, and lack of standardization (eg, influence of idiosyncratic task demands). Traditional performance-based assessments offer some advantages over self- or informant reports but are time-consuming to administer and score.<h4>Objective</h4>This study aims to evaluate the validity and reliability of the Virtual Kitchen Challenge-Version 2 (VKC-2), an objective, standardized, and highly efficient alternative to current functional assessments for older adults across the spectrum of cognitive aging, from preclinical to mild dementia.<h4>Methods</h4>A total of 236 community-dwelling, diverse older adults completed a comp2026-01-01T00:00:00Z2026 Jan2026-06-06T20:11:21.719Z2026-06-04T03:14:23.949ZS-EPMC128245804134904210.2196/82092