Dodson, John D.2016-03-092016-03-091918-04https://hdl.handle.net/11299/178046University of Minnesota Ph.D. dissertation. April 1918. Major: Psychology. Advisor: Major Robert M. Yerkes. 1 computer file (PDF); 72 pages.enPsychologyAn Experimental Study of the Relative Values of Reward and Punishment in Habit FormationThesis or Dissertation