Hunters change through the years. Factors used to determine "successful hunting" change as well for each hunter. A hunter's age, role models, and his years of hunting experience affect his ideas of "success." Many hunters may fit into one of the following five groups. In 1975-1980, groups of over 1,000 hunters in Wisconsin were studied, surveyed, and written about by Professors Robert Jackson and Robert Norton, University of Wisconsin-La Crosse. The results of their studies form a widely accepted theory of hunter behavior and development. Where are you now? Where would you like to be?