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首页> 外文期刊>Advances in physiology education >Should students change their answers on multiple choice questions?
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Should students change their answers on multiple choice questions?

机译：学生是否应该改变他们的多项选择问题？

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Multiple choice exams are ubiquitous, but advice on test-taking strategies varies and is not always well informed by research. This study evaluated the question of whether students benefit or are harmed when they change their initial answers on multiple choice questions in the context of physiology and biology courses. Previously marked examinations were reviewed for eraser marks that indicated answer changes, and the impact of these changes on exam grades was tabulated. In addition, faculty and students were surveyed for their opinions about changing answers. A plurality of faculty (36%) reported a belief that answer changes usually harm student grades, whereas a slim majority of students (51%) believed that answer changing helped their scores (χ 2 ?=?60.52, P 0.0001). Empirically, across two exams, students changed their answer from an incorrect answer to a correct one 2.8 times (SD 2.2) compared with 1.0 time (SD 1.4) changing in the negative direction. Therefore, on average, students benefited ( V?= ?123.5, P 0.0001) from answer changing. Furthermore, comparing across two exams in the same course, some students were consistently more likely to change their answers than others (adjusted R 2 = 0.23, P 0.0001), but the impact of changing answers on the first exam provided no prediction of how much a student would benefit from answer changing on the second exam (adjusted R 2 = ?0.004, P = 0.42). These data support the argument that students should be advised to review and revise responses to exam questions before submitting them.
机译：多项选择考试是普遍存在的，但有关测试策略的建议因研究而不广泛地通知。这项研究评估了学生是否在生理学和生物学课程中改变多项选择题的初始答案时受到损害的问题。以前标记的考试针对橡皮擦标记进行了审查，表明答案变更，并制表了这些变化对考试成绩的影响。此外，教师和学生对他们对改变答案的看法进行了调查。多个教师（36％）报告说，回答变化通常伤害学生成绩，而大多数学生（51％）认为，答案变化有助于他们的分数（χ2？=？60.52，P <0.0001）。凭经验，在两个考试中，学生将答案从错误的答案中的答案改为正确的2.8次（SD 2.2）与1.0次（SD 1.4）在负方向上变化。因此，平均而言，学生受益于（v？= 123.5，p＆ 0.0001）。此外，在同一课程中的两次考试中，一些学生始终如一地更有可能改变其答案（调整后的R 2 = 0.23，P＆ 0.0001），但在第一次考试中改变答案的影响不提供预测学生将从第二个考试中的答案中受益多少（调整后的R 2 = 0.004，P = 0.42）。这些数据支持参数，即学生应在提交之前审查和修改对考试问题的答复。

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