| Comparison of overall performance on Repeated Questions for Prior Terms and Winter 2018. Note the overall scale of the y-axis when comparing performance between terms.

| Comparison of overall performance on Repeated Questions for Prior Terms and Winter 2018. Note the overall scale of the y-axis when comparing performance between terms.

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Disparities in student outcomes, including gendered performance differences, are widespread in introductory physics and other STEM courses. STEM education researchers have investigated many course and student factors that could contribute to these inequities, including class size, test formats, assignment weightings, and students’ sense of belongin...

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... found no significant difference in BTE scores. Figure 4 shows there was a small but significant improvement in raw performance of about 2% from the standard time terms to the extended time term. For consistency, significance is again determined by the size of the error bars, which represent standard error. ...