Soares Filho, P.S.D., Silva, Álvaro J.M., Velasco, S.M., Barros, R.S. and Tomanari, G.Y. 2016. Assessing Symmetry by Comparing the Acquisition of Symmetric and Nonsymmetric Conditional Relations in a Capuchin Monkey. International Journal of Psychological Research. 9, 2 (Jul. 2016), 30–39. DOI:https://doi.org/10.21500/20112084.2320.