Badenes-Ribera, L., D. Frias-Navarro, M. Pascual-Soler, and H. Monterde-I-Bort. “Knowledge Level of Effect Size Statistics, Confidence Intervals and Meta-Analysis in Spanish Academic Psychologists”. Psicothema, vol. 28, no. Número 4, Dec. 2016, pp. 448-56, https://reunido.uniovi.es/index.php/PST/article/view/11386.