*85%*:**Algebra-Based Students & Vectors: Assessing Physical Understanding in Arrow vs ijk***82%*:**Algebra-Based Students & Vectors: Can ijk Coaching Improve Arrow Subtraction?***45%*:**Arrows as anchors: Conceptual blending and student use of electric field vector arrows***44%*:**Student difficulties with quantum states while translating state vectors in Dirac notation to wave functions in position and momentum representations***41%*:**The Use of Multiple Representations and Visualizations in Student Learning of Introductory Physics: An Example from Work and Energy***38%*:**Comparing Student Use of Mathematical and Physical Vector Representations***38%*:**Towards an Understanding of How Students Use Representations In Physics Problem Solving***38%*:**Using Johnson-Laird's cognitive framework of sense-making to characterize engineering students' mental representations in kinematics***37%*:**Studentsâ€™ Responses to Different Representations of a Vector Addition Question***37%*:**Network Analysis of Students' Representation Use in Problem Solving***36%*:**Assessing students' ability to solve introductory physics problems using integrals in symbolic and graphical representations***36%*:**Examining consistency of student errors in vector operations using module analysis***35%*:**Student Understanding of Cross Product Direction and Use of Right-Hand Rules: An Exploration of Representation and Context-Dependence***35%*:**Students' difficulties with unit vectors and scalar multiplication of a vector***35%*:**Exploring Student Learning Profiles in Algebra-based Studio Physics: A Person-Centered Approach***34%*:**Studentsâ€™ Difficulties in Transfer of Problem Solving Across Representations***34%*:**A research-based approach to improving student understanding of the vector nature of kinematical concepts***34%*:**Student difficulties in translating between mathematical and graphical representations in introductory physics***34%*:**How the learning environment predicts male and female studentsâ€™ motivational beliefs in algebra-based introductory physics courses**