*51%*:**Strong preference among graduate student teaching assistants for problems that are broken into parts for their students overshadows development of self-reliance in problem-solving***47%*:**Assessing student expertise in introductory physics with isomorphic problems. II. Effect of some potential factors on problem solving and transfer***44%*:**Changes in students’ problem-solving strategies in a course that includes context-rich, multifaceted problems***44%*:**Effects of Argumentation Scaffolds on Student Performance on Conceptual Physics Problems***43%*:**Effects of Representation on Students Solving Physics Problems: A Fine-Grained Characterization***43%*:**Effect of Problem Solutions on Students' Reasoning Patterns on Conceptual Physics Problems***43%*:**Potential Relationship of Chosen Major to Problem Solving Attitudes and Course Performance***43%*:**Potential relationship of epistemic games to group dynamics and learning orientations towards physics problem solving***43%*:**Using Reflection with Peers to Help Students Learn Effective Problem Solving Strategies***42%*:**Surveying physics and astronomy students’ attitudes and approaches to problem solving***41%*:**Understanding Students' Poor Performance on Mathematical Problem Solving in Physics***41%*:**How prompting force diagrams discourages student use of adaptive problem-solving shortcuts***41%*:**Effect of peer-review on development of students' problem-solving abilities***41%*:**Attitudes Toward Problem Solving as Predictors of Student Success***41%*:**Synthesis problems: role of mathematical complexity in students' problem solving strategies***41%*:**Evaluating the effectiveness of two methods to improve students' problem solving performance after studying an online tutorial***40%*:**Adapting a theoretical framework for characterizing students' use of equations in physics problem solving***40%*:**Authentic assessment of students' problem solving***40%*:**Examination of Students’ Self-monitoring in Problem Solving**