Frank Sulloway of the Massachusetts Institute of Technology and Michael Shermer of the California State University conducted a study that found in their polling sample of "credentialed" U.S. adults (12% had Ph.Ds and 62% were college graduates) 64% believed in God, and there was a correlation indicating that religious conviction diminished with education level.
Frank Sulloway do Instituto de Tecnoloxía de Massachusetts e Michael Shermer da Universidade Estatal de California dirixiron un estudo sobre unha mostra de adultos estadounidenses «acreditados» (o 12 % posuía un doutoramento e o 62 % un grao universitario): o 64 % cría en Deus, e existía unha correlación que indicaba que a convicción relixiosa diminuía a maior nivel educativo.