@article {12181, title = {Critique of Cognitive Measures in the Health Retirement Study (HRS) and the Asset and Health Dynamics among the Oldest Old (AHEAD) Study}, year = {2002}, publisher = {National Institute on Aging}, address = {Bethesda, MD}, keywords = {AHEAD, cognitive functioning}, author = {Margie E Lachman and Avron Spiro III} }