Most study samples show less variability in key variables than do their source populations due most often to indirect selection into study participation associated with a wide range of personal and circumstantial characteristics. Formulas exist to correct the distortions of population-level correlations created. Formula accuracy has been tested…

As the U.S. population ages, Extension's need for associated organizational readiness increases. We conducted a needs assessment with a sample of 1,028 Extension professionals in the Extension North Central Region (NCR) to identify the current scope of aging-related community needs. Health care, chronic disease prevention and management, housing,…

Financial incentives are being used increasingly to encourage a wide array of health behaviors because of their well-established efficacy. However, little is known about how to translate incentive-based strategies to public health practice geared toward improving population-level health, and a dearth of research exists on how individuals respond…