Instrument development study demonstrates item retention and harmonization for the revised Everyday Cognition scale, highlighting its clinical utility for evaluating functional decline.
To ensure strong psychometric properties, and to facilitate harmonization of previously collected data, we preserved well over half of the items. Future work will validate the revised ECog by measuring associations with neuropsychological performance, external measures of disease, and other functional measures. Overall, the revised ECog will continue to be a useful tool for measuring cognitively relevant everyday abilities in clinical settings and intervention clinical trials.
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Farias et al. (2021) studied this question.
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