Cross-group comparisons of Z-scores

 
   Lead Investigator:    Zhixuan Shao
   Institution      :    NACC  Peking University
   E-Mail           :    shaozhixuansh@pku.edu.cn
   Proposal ID      :    1090



   Proposal Description:
   We want to improve the method for establishing cognitive norms from the NACC dataset, and apply the improved method to cross-group comparisons which may help indicate levels of cognitive deficiency.    Our objectives include:  2 propose a quatile regression model that will improve the results from the neuropsychological norms paper (Weintraub et al. 2018) on the webiste  3 apply the improved method to cross-group comparisons. Three different groups: normal, MCI, AD.    For these reasons, we request for the latest dataset of normal controls, MCI and dementia participants. Each dataset should include:  1 demographics and characteristics including education, sex, race, age, etc. as covariates X  2 neuropsychological tests, as outcomes Y