and ineffectual. Further Reading and Resources —. Product Development and Management Association (PDMA) Website. <http://www.pdma.org/index.cfm>. —. “ Product Development .” Wikipedia .org. <http://en.wikipedia.org/wiki/Product_development>. —. “ User Experience Design ” Wikipedia.org. <http://en.wikipedia.org/wiki/User_experience_design>. Cooper, Robert G. Winning at New Products . New York, New York: Perseus, 2001. Crawford, C. Merle and Anthony DiBenedetto. New Products