Use of an IRT-based Latent Variable Model to Link Different Forms of the CES-D from the Health and Retirement Study. Social Psychiatry and Psychiatric Epidemiology. 2004;39(10):828-835..
Racial Bias in the Assessment of Cognitive Functioning of Older Adults. Aging and Mental Health. 2003;7(2):83-102..
The Persistence of Depressive Symptoms in Older Workers Who Experience Involuntary Job Loss: Results from the Health and Retirement Study. Journals of Gerontology, Series B: Psychological and Social Sciences. 2006;61(4):S221-8.
Longitudinal Data Analysis: a Practical Guide for Researchers In Aging, Health, And Social Sciences. New York: Routledge; 2012..
The English are healthier than the Americans: really?. International Journal of Epidemiology. 2015;44(1):229-238. doi:10.1093/ije/dyu182.