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The Colorado Upper-division Electrostatics (CUE) diagnostic was designed asan open-ended assessment in order to capture elements of student reasoning inupper-division electrostatics. The diagnostic has been given for many semestersat several universities resulting in an extensive database of CUE responses. Toincrease the utility and scalability of the assessment, we used this databasealong with research on students' difficulties to create a multiple-choiceversion. The new version explores the viability of a novel test format wherestudents select multiple responses and can receive partial credit based on theaccuracy and consistency of their selections. This format was selected with thegoal of preserving insights afforded by the open-ended format while exploitingthe logistical advantages of a multiple-choice assessment. Here, we presentexamples of the questions and scoring of the multiple-choice CUE as well asinitial analysis of the test's validity, item difficulty, discrimination, andoverall consistency with the open-ended version.

Multiple-choice Assessment for Upper-division Electricity and Magnetism