المساهمون: Feller, Irwin., Stern, Paul C., 1944-, Center for Studies of Behavior and Development (U.S.). Committee on Assessing Behavioral and Social Science Research on Aging.

مصطلحات موضوعية: Cognition Disorders., Behavioral Research., Research Design., Aging., Gerontology -- United States., Aging -- Government policy -- United States.

جغرافية الموضوع: United States.