## Materials Similar to *Contrasting students’ understanding of electric field and electric force*

*56%*:**The effect of similar surface features on students’ understanding of the interaction of charges with electric and magnetic fields***53%*:**Arrows as anchors: Conceptual blending and student use of electric field vector arrows***46%*:**Students’ understanding of dot product as a projection in no-context, work and electric flux problems***46%*:**Students’ conversion from electric field line diagrams to other representations***45%*:**Changes to equipotential diagrams to improve student ranking of electric potential***44%*:**Analyzing student understanding of vector field plots with respect to divergence***43%*:**Students' understanding of superposition of electric fields***43%*:**Contrasts in Student Understanding of Simple E&M Questions in Two Countries***42%*:**Analysis Of Shifts In Students' Reasoning Regarding Electric Field And Potential Concepts***42%*:**University students' conceptions of the electric and magnetic fields and their interrelationships***42%*:**Tracking the referent system to understand students' math modeling processes***41%*:**A study on the impact of real, virtual and comprehensive experimenting on students’ conceptual understanding of DC electric circuits and their skills in undergraduate electricity laboratory***41%*:**University Student Conceptual Resources for Understanding Forces***40%*:**A qualitative investigation of college students' conceptions of electric fields***40%*:**Scaffolding students’ understanding of force in pulley systems***40%*:**Effects of Training Examples on Student Understanding of Force and Motion**