Twin control study. We can't link much anything in the "environment" to any outcome.https://twitter.com/drzhana/status/638328363648741376 …
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@KirkegaardEmil@JayMan471 what is the problem with this? Preterm infancy is associated with cog delays. Surely this is not all genetic? -
@jamesroywillia2 Most if not all of it is. Think about it.
@KirkegaardEmil -
@JayMan471@KirkegaardEmil should be easy to compare with siblings of premies to see if there are differences -
@jamesroywillia2 It's been done: http://archpsyc.jamanetwork.com/article.aspx?articleid=1743009 …
@JayMan471@KirkegaardEmil -
@AmirSariaslan Did they exclude "blended families"? @jamesroywillia2@KirkegaardEmil -
@JayMan471 Do not remember the details but standard approach is to keep them @jamesroywillia2@KirkegaardEmil
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