Figure 1. Study design (n = 328) What Role Might Funders of Health Services Research Play? Source: The Lewin Group. May, 2005[D] Select for Text Description.Return to Document Current as of October 2005 Internet Citation: Figure 1. Study design (n = 328): What Role Might Funders of Health Services Research Play?. October 2005. Agency for Healthcare Research and Quality, Rockville, MD. http://www.ahrq.gov/professionals/systems/hospital/hospbuilt/hospenvfig1.html