Umm, new index sounds a bit dodgy. Did they adjust for plain birth order, paternal age etc?
Homosexuality and number of brothers: large meta-analysis confirms it as a real effect. https://www.ncbi.nlm.nih.gov/pubmed/28608293 pic.twitter.com/KaZYJWTv7m
-
-
-
Doesn't seem to be any age controls. Didn't finish reading yet.pic.twitter.com/yJBkJxtvgq
-
.
@KirkegaardEmil@_r_c_a Blanchard seems determined to find this effect. Even if it is exists, it can only explain <20% of instances. -
15-29% assuming no measurement error etc. That's pretty good for a contributing source. 30% is r = .55.pic.twitter.com/AwF4rmmrGd
End of conversation
New conversation -
-
-
Do you find this convincing? There have been so many conflicting reports in recent years.
-
Does not seem that the studies are very conflicted with regards to the main pattern, but I² was 75%, so likely some between sample effects.
-
Thanks. Armchair impression here.
End of conversation
New conversation -
-
-
Evidence that homosexuality is a phenotypic bug rather than an adaptation?
@BlanchardPhDThanks. Twitter will use this to make your timeline better. UndoUndo
-
-
-
It's predictable that natural family orders will awaken natural sexualities.
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
-
-
This actually makes a nurture case; idolised masculine older brother, babying and clinging to the youngest.
- 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.