Filtering by: Committee Dunham, Christine, Emory University Remove constraint Committee: Dunham, Christine, Emory University Committee Hepler, John R, Emory University Remove constraint Committee: Hepler, John R, Emory University Degree PhD Remove constraint Degree: PhD Graduation year sim 2014 Remove constraint Graduation year sim: 2014 Keyword Evolution Remove constraint Keyword: Evolution Submission Type Dissertation Remove constraint Submission Type: Dissertation