This is a bit off topic, but psychology has important implications for understanding religious belief and the absence of religious belief and rejection of religious belief.  One hundred key psychology experiments published in three top psychology journals in 2008 were reproduced to see if the same results were obtained as the originally published experiment.  The bottom line: about 2/3 of the studies did not hold up in terms of statistical significance, and “very few of the redone studies contradicted the original ones; their results were simply weaker.”

Key Psychology Studies Fail to Hold Up When Rechecked