Past Dissertations completed by students in PER Title and year Author "An Empirical Model of Physics Instructors' Beliefs about the Purpose, Actions, and Context of Doing Homework" (2018) Mandy Straub "Development and Validation of a Physics Problem Difficulty Measure" (2019) Jie Yang "Internet Computer Coaches For Introductory Physics Problem Solving" (2013) Qing Xu Ryan "A Descriptive Study of Cooperative Problem Solving Introductory Physics Labs" (2011) Paul Knutson "Development and Validation of a Physics Problem-Solving Assessment Rubric" (2008) Jennifer Docktor "An explanatory model of physics faculty conceptions about the problem-solving process" (2004). Defense Presentation Vince Kuo "Faculty conceptions about the teaching and learning of problem solving in introductory calculus-based physics" (2002). Defense Presentation Charles Henderson "The development of students' problem-solving skills from instruction emphasizing qualitative problem-solving" (2000) Tom Foster "The effect of introducing computers into an introductory physics problem-solving laboratory" (2000) Laura McCullough "Sex differences in physics learning and evaluations in an introductory course" (1997) Jennifer Blue "Physics problem-solving in cooperative learning groups" (1995) Mark Hollabaugh "Correlation between the consistent use of a general problem-solving strategy and the organization of physics knowledge" (1993) Ron Keith "Pre-service teachers' views of the nature of science during a post-baccalaureate science teaching program" (1993) Bruce Palmquist "The assimilation and accommodation of concepts in astronomy" (1988) David Targan