Smith, Stephen; Jaszczak, Angela; Graber, Jessica; … - In: Journals of Gerontology: Series B 64B (2009) suppl_1, pp. 20-20
The National Opinion Research Center, led by a team of investigators at the University of Chicago, conducted more than 3,000 in-person interviews with a nationally representative sample of adults aged 57--85 years. Data collection included in-person questionnaire items, an extensive array of...
