http://mindhacks.com/2007/06/25/oldest-children-have-highest-iq-a-family-effect/ Neuroscience and psychology news and views. Wed, 22 May 2013 13:23:03 +0000 hourly 1 http://wordpress.com/ http://mindhacks.com/2007/06/25/oldest-children-have-highest-iq-a-family-effect/#comment-17805 Sun, 20 Feb 2011 17:01:24 +0000 http://mindhacksblog.wordpress.com/2007/06/25/oldest-children-have-highest-iq-a-family-effect/#comment-17805 It isn’t the size of a guy’s IQ that matters. It’s how he uses it.

]]> http://mindhacks.com/2007/06/25/oldest-children-have-highest-iq-a-family-effect/#comment-7320 Mon, 25 Jun 2007 23:26:01 +0000 http://mindhacksblog.wordpress.com/2007/06/25/oldest-children-have-highest-iq-a-family-effect/#comment-7320 I tried to show that this may be a consequence of self-selection: more intelligent first-borns might be more likely to have younger siblings, if the parents base their decision to have more children on how they’ve done with their kids so far.
Link in my nick.

]]> http://mindhacks.com/2007/06/25/oldest-children-have-highest-iq-a-family-effect/#comment-7319 Mon, 25 Jun 2007 12:58:22 +0000 http://mindhacksblog.wordpress.com/2007/06/25/oldest-children-have-highest-iq-a-family-effect/#comment-7319 I related these results with another study that I saw at The Frontal Cortex:
http://scienceblogs.com/cortex/2007/04/how_many_kids_should_you_have.php

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