So the WAIS and the WISC are aptitude tests, and your final exam at the end of your math class is an achievement test.

所以 WAIS 和 WISC 是能力倾向测试，数学课结束时的期末考试是成绩测试。

Today, your intelligent mind learned how we currently use WAIS and WISC tests to measure intelligence, and how important it is that a test be standardized, reliable, and valid.

今天，您聪明的头脑了解了我们目前如何使用 WAIS 和 WISC 测试来衡量智力， 以及测试标准化、可靠和有效的重要性。

And there are different kinds of validity -- for instance, if I take the WAIS IQ test and my scores accurately predict how good my grades in college will be, that's a simple kind of predictive or criterion validity.

并且有不同类型的效度——例如，如果我参加了 WAIS IQ 测试并且我的分数准确地预测了我在大学的成绩会有多好， 那是一种简单的预测或标准效度。