NELSON, Roger D. Response to May and Spottiswoode on Experimenter Effect as the Explanation for GCP Results. Journal of Scientific Exploration, [S. l.], v. 25, n. 4, 2011. Disponível em: https://journalofscientificexploration.org/index.php/jse/article/view/365. Acesso em: 25 apr. 2026.