If they'd include the "spiritual but not religious" in the next study of this kind, it'd be very helpful:
Atheists tend to be more intelligent than religious people, according to a US study.
Researchers found that those with high IQs had greater self-control and were able to do more for themselves - so did not need the benefits that religion provides.
They also have better self esteem and built more supportive relationships, the study authors said.
The conclusions were the result of a review of 63 scientific studies about religion and intelligence dating between 1928 and last year.
In 53 of these there was a ‘reliable negative relation between intelligence and religiosity’.
In just 10 was that relationship positive.
Even among children, the more intelligent a child was the more probable it was that they would shun the church.
In old age the same trend persisted as well, the research showed.
The University of Rochester psychologists behind the study defined religion as involvement in some or all parts of a belief.
They defined intelligence as the ‘ability to reason, plan, solve problems, think abstractly, comprehend complex ideas, learn quickly, and learn from experience’.
In their conclusions, they said: ‘Most extant explanations (of a negative relation) share one central theme - the premise that religious beliefs are irrational, not anchored in science, not testable and, therefore, unappealing to intelligent people who ‘know better’.
Like, to "know better" ever impressed a believer,...