@MikeAnissimov ...the debate in a while now (a year+?), so i don't know where that sampling issue stands.
@MikeAnissimov @hbdchick among other things he calculates a 2/3 st dev drop in South African iq in 115 years just from composition
-
-
This Tweet is unavailable.
-
@MikeAnissimov@hbdchick iq heritability + big differences in reproduction by iq for a few generations - 8 more replies
-
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.