Declining correlation between years of education and IQ (wordsum) score in GSS.....pic.twitter.com/DDc6iXPDwu
@RCAFDM Increasing ceiling effect on WORDSUM. http://emilkirkegaard.dk/understanding_statistics/?app=ceiling_effects …
-
-
@KirkegaardEmil good point, though it looks like the means are also fallingpic.twitter.com/BkAZfXJsVX
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
-
-
@KirkegaardEmil err with control for age groups....pic.twitter.com/gs3fPUrz0D
-
@RCAFDM 'control' (you mean by :P) for age does not control for ceiling effects. -
@KirkegaardEmil i mean "control" w/ the GSS interface (split it out by age groups to better identify trend) -
@RCAFDM I've never used GSS interface, I just downloaded the data and used R. -
@KirkegaardEmil you downloaded _this_ data or w/ your prior interactions? looks like overall wordsum has flat to -pic.twitter.com/WW3qrXvl06
-
@RCAFDM Slight curve. Try within whites only. -
@KirkegaardEmil yes, i suspect much of the effect is in due graphic shifts... Later tho, not at my desk right now
End of conversation
New conversation -
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.