It turns out that the most important way for parents to raise successful children is buy bookcases. Or at least this is what readers could conclude if they absorbed just the finding summarized in this Gizmodo article, and not the fourth paragraph caveat that books in the home are likely a proxy for other facets of good parenting—like income, emphasis on education, and parental educational attainment.”

From The Atlantic’s recent guide to reading educational data without jumping to conclusions.  Hat tip to Tim Stahmer who wrote about this post on his blog recently.