Agnostics smarter than Atheists?

The always fascinating Ron Gunhame parses the GSS and religion & intelligence data. He finds: Mean vocabulary score - Whites 6.52 Doesn't believe 7.24 No way to find out 6.96 Some higher power 6.02 Believes sometimes 6.42 Believes but doubts 6.05 Knows God exists Ron concludes that atheists are less intelligent than agnostics from this, but Jason Malloy in the comments has several follow ups which clear up the issue a bit and suggest that Ron spoke too soon.