Munro CE, Buckley R, Vannini P, DeMuro C, Sperling R, Rentz DM, Johnson K, Gathchel JR, Amariglio R. Longitudinal trajectories of participant- and study partner-rated cognitive decline, in relation to alzheimer's disease biomarkers and mood symptoms. Front Aging Neurosci. 2022 Jan 31;13:806432. doi: 10.3389/fnagi.2021.806432
Hartman M, Bolton E, Fehnel SE. Accounting for age differences on the Wisconsin Card Sorting Test: decreased working memory, not inflexibility. Psychol Aging. 2001 Sep 1;16(3):385-99.
Parsley (Edwards) TL. Review of the phantom respondents: opinion surveys and political representation. J Off Stat. 1994;10(3):351-5.