It is not easy to attribute this rise to improved education, because the aspects of the tests on which scores have risen the most do not require a good vocabulary, or even mathematical ability, but instead assess powers of abstract reasoning.
我们不能轻易地把分数的提升归因于教育水平的提高，因为该项测试中分数提升最多的部分并不需要对词汇量的良好掌握或甚至是数学能力，而是抽象思维中的评估能力。