Poskusni rezultati so bili pregledani, da bi evidentirali individualno sistematsko napako (p < 0,025) z zaporedno uporabo Cochranovega testa in Grubbovega testa, s postopki, opisanimi v mednarodno sprejetem Protokolu za projektiranje, izvedbo in interpretacijo študij izvajanja metode.
The trial results were examined for evidence of individual systematic error (p < 0,025) using Cochran's and Grubb's tests successively, by procedures described in the internationally agreed Protocol for the Design, Conduct and Interpretation of Method-Performance Studies.