So it may be that older people just have lower IQ (Flynn effect).
In the data set older people have a significantly higher IQ than younger people. The effect however disappears if you start to control for whether someone lives in the US.
US LW users are on average more intelligent and older.
In the data set older people have a significantly higher IQ than younger people. The effect however disappears if you start to control for whether someone lives in the US.
US LW users are on average more intelligent and older.