研究：接受更多的教育能提高智商

短语讲解：

1. In the mid-1950s, the Norwegian government began requiring students to attend school until they were 16 years old, rather than allowing them to drop out at 14.

drop out离开, 退出
例句：He says he has dropped out, and won't attend college any more.
他说他退了学, 以后也不会去上大学了。

2. So, she and her colleagues were able to sift through data on 107,000 draft-age young men, correlating their years of education with their IQ scores obtained by the military.

sift through被筛下, 细查；渗透；通过
例句：We must sift through the evidence very carefully before we come to any conclusions.
我们必须非常仔细地考虑这些证据后才能得出结论。

3. So, based on that, we were able to say that  increasing compulsory schooling did actually have an effect on their cognitive abilities as measured at 19 years of age.

base on使建立在…基础上,立足
例句：Action should be based on solid facts.
行动应有确凿的事实为依据。
have an effect on对…有影响;对…起作用,产生效果
例句：Alcoholic drink can have a bad effect on your body.
含酒精的饮料会对你身体有很坏的影响。

4. Galloway’s results seem to support the nurturing side of the nature versus nurture argument.

seem to似乎; 好像
例句：There seems to be a misunderstanding between us.
我们之间好像有些误解。