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Effects of Increasing the Incentive Size in a Longitudinal Study. Journal of Official Statistics. 2011;27(2):279 299..
The Aging, Demographics and Memory Study: Study Design and Methods. Neuroepidemiology. 2005;25:181-191.
Trends in Scores on Tests of Cognitive Ability in the Elderly U.S. Population, 1993-2000. The Journals of Gerontology: Social Sciences. 2003;58B(6):S338-S346..
Cognitive Performance Measures in Survey Research on Older Adults. In: Cognition, Aging, and Self Reports. Cognition, Aging, and Self Reports. Philadelphia: Psychology Press; 1999..
The Effects of Bracketing and Anchoring on Measurement in the Health and Retirement Study. University of Michigan, Institute for Social Research; 1998..
Asset and Health Dynamics Among the Oldest Old: An overview of the AHEAD Study. The Journals of Gerontology, Series B: Psychological Sciences and Social Sciences. 1997;52B(Spec):1-20..
A Comparative Analysis of ADL Questions in Surveys of Older People. The Journals of Gerontology, Series B: Psychological Sciences and Social Sciences. 1997;52B(Spec):21-36..
Patterns of In-home Care Among Elderly Black and White Americans. The Journals of Gerontology, Series B: Psychological Sciences and Social Sciences. 1997;52B(Spec):93-101..
Comparisons of Two Sampling Frames for Surveys of the Oldest Old. In: Health Survey Research Methods. Vol. DHHS Publication No. (PHS)96-1013. Health Survey Research Methods. Washington, DC: National Center for Health Statistics, Centers for Disease Control and Prevention, Public Health Service, US Dept. of Health and Human Services; 1996:117-122..