*49%*:**Spin First vs. Position First instructional approaches to teaching introductory quantum mechanics***38%*:**Representations for a spins-first approach to quantum mechanics***37%*:**Student perceptions of math-physics interactions throughout spins-first quantum mechanics***34%*:**The impact of peer interaction on the responses to clicker questions in an upper-level quantum mechanics course***32%*:**Teaching quantum mechanics on an introductory level***32%*:**Teaching and understanding of quantum interpretations in modern physics courses***32%*:**Energy measurement resources in spins-first and position-first quantum mechanics***30%*:**A Modern Approach to Quantum Mechanics***30%*:**Development, validation and in-class evaluation of a sequence of clicker questions on Larmor precession of spin in quantum mechanics***29%*:**Comparison of normalized gain and Cohenâ€™s d for Force Concept Inventory results in an introductory mechanics course***29%*:**Quantum Mechanics Survey (QMS)***29%*:**Student understanding of potential, wavefunctions and the Jacobian in hydrogen in graduate-level quantum mechanics***28%*:**Is it Disadvantageous to Teach Forces First in Mechanics?***27%*:**Learning and retention of quantum concepts with different teaching methods***27%*:**Surveying students' understanding of quantum mechanics in one spatial dimension***27%*:**Investigating Student Difficulties with Time dependence of Expectation Values in Quantum Mechanics***27%*:**Student sense-making on homework in a sophomore mechanics course***27%*:**Development of quantum perspectives in modern physics***27%*:**Designing, validating, and contrasting conceptual quantum mechanics questions for spin states and spatial wave functions**