Are humans getting cleverer?

IQ is rising in many parts of the world. What's behind the change and does it really mean people are cleverer than their grandparents? It is not unusual for parents to comment that their children are brainier than they are. In doing so, they hide a boastful remark about their offspring behind a self-deprecating one about themselves. But a new study, published in the journal Intelligence, provides

[daybeforeyesterday]

うーむ

[godmother]

IQテストが古い仕様での結果だったとは、飛んだ落とし穴。全てがIQで測れるとは思わなきけど、実感としても昔の人の方が博学で、現代人よりも知性は高いと思う。たかが３０年違いの若い人にもそう思うわ。

[kazutox]

by William Kremer / IQテストの結果が長期間に上昇しているのはなぜか。社会がテスト結果を良くするように変化してきたからだよ、がおもな説。