We report on a concept inventory for special relativity: the development process, data analysis methods, and results from an introductory relativity class. The Relativity Concept Inventory tests understanding of relativistic concepts. An unusual feature is confidence testing for each question. This can provide additional information; for example,…

This study evaluated large-scale state writing assessments for the inclusion of motivational characteristics in the writing task and written prompt. We identified 6 motivational variables from the authentic activity literature: time allocation, audience specification, audience intimacy, definition of task, allowance for multiple perspectives, and…

In a confidence weighting situation, the examinee is asked to indicate the correct answer, and how certain he or she is of the correctness of that answer. This paper reviews the bases for confidence marking, its validity and accuracy in evaluating students, and it's use in research. (BW)

Medical and dental students were administered two short confidence-scored tests on cellular and molecular biology. Increases in test reliability and predictive validity were found when test scores were adjusted for realism, but were not statistically significant. (Author/MH)