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Gender Bias in Test Evaluation

We explore the differences in the output in test evaluation across a sample of 2372 exams done by undergraduate students from the Universidad de Murcia from 2005 until 2010. We find a gender bias in the amount of anwered questions that can be associated with gender differences in risk aversion. The gender gap in scores is weak. We find also distorting effects of test scrambling on some of the students. Our results suggest that a good design of test exams should prevent risk effects.