Oliveira, C.C. de, Tiglea, P., Olivieri, J.C., Carvalho, M. de F.H., Buzzo, M.L., Sakuma, A.M., Duran, M.C., Caruso, M.S.F. and Granato, D. 2015. Comparison of different statistical approaches used to evaluate the performance of participants in a proficiency testing program. Instituto Adolfo Lutz Journal - RIAL. 73, 1 (Oct. 2015), 26–31. DOI:https://doi.org/10.18241/0073-98552014731586.