Optimal prediction to the rescue.
The “missing heritability” problem: current genetic analysis cannot explain as much variance as that suggested by population heritability estimates. This has been a cue for “Down with twin studies” arguments, in which those of dramatic inclinations have chosen to imagine that heritability estimates were thereby disproved. Not so. I was never particularly worried about this... Read More
My previous post – “Squid Ink” – has spawned a little discussion about the role of the "environment." However, I'd argue what all the discussion is about – what it is always ever about when people invoke "environment" – is changeability. This is what people really want to know about that, and they see heredity... Read More