http://www.slate.com/blogs/blogs/xxfactor/archive/tags/birth+order/default.aspxTags: birth orderenCommunityServer 2.1 SP2 (Build: 61129.2)http://www.slate.com/blogs/blogs/xxfactor/archive/2008/02/12/take-a-younger-sibling-to-play-day.aspxTue, 12 Feb 2008 18:01:00 GMTb38b617e-fbf1-4816-b2a6-f11ec83af8cb:1475Emily Bazelon0http://www.slate.com/blogs/blogs/xxfactor/comments/1475.aspxhttp://www.slate.com/blogs/blogs/xxfactor/commentrss.aspx?PostID=1475I've written before about the effect of birth order on intelligence. It's not my favorite topic, because it pits older siblings against younger siblings and inevitably makes parents feel guilty. Here's a new study from Brigham Young University economics...(<a href="http://www.slate.com/blogs/blogs/xxfactor/archive/2008/02/12/take-a-younger-sibling-to-play-day.aspx">read more</a>)<img src="http://www.slate.com/blogs/aggbug.aspx?PostID=1475" width="1" height="1">parentingsiblingsbirth order