题目：
Fifteen years ago， Omega University implemented a new procedure that encouraged students to evaluate the teaching effectiveness of all their professors. Since that time， Omega professors have begun to assign higher grades in their classes， and overall student grade averages at Omega have risen by 30 percent. Potential employers， looking at this dramatic rise in grades， believe that grades at Omega are inflated and do not accurately reflect student achievement； as a result， Omega graduates have not been as successful at getting jobs as have graduates from nearby Alpha University. To enable its graduates to secure better jobs， Omega University should terminate student evaluation of professors.
Write a response in which you discuss what specific evidence is needed to evaluate the argument and explain how the evidence would weaken or strengthen the argument.
中文翻译：
15 年前，Omega 大学实施了一项新措施，鼓励学生对所有教授的教学效果进行评价。从那以后，Omega 的教授开始给予学生更高的分数，Omega 的学生成绩总平均上升了30%.未来的雇主显然认为Omega 的分数贬值了，无法反映出学生的真实能力。因此，Omega 的毕业生找工作时没有邻近的Alpha 大学毕业生成功。为使Omega 毕业生找到好工作，我们应立即停止学生对教授的评价。
写一篇回应，讨论还需要何种具体的证据才能更好的评估上面的论证，并解释这个证据是如何强化/削弱这篇文章的论证的。
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