本文对大学外语课堂形成性评价及其后效进行了实证研究。其结果表明,形成性评价比传统的测试方法更能有效地促进学生提高外语成绩、自我效能和自主学习能力。但在实际教学情境中形成性评价的实施仍有诸多限制因素。 This paper conducts an empirical research on the formative evaluation of university foreign language classrooms and its effect. The results show that the formative assessment is more effective than the traditional test methods to promote students to improve their foreign language performance, self-efficacy and self-learning ability. However, there are still many limitations in the implementation of formative evaluation in the actual teaching situations.