3.2.5. Sample·Session Interaction

These interactions refer to the variation of the mean of each sample from one session to another and they should not be confused with the session effect, which applies to the mean of all samples between sessions. In the study (Table 1), the sample·session interaction was only significant in two cases: saltines (which was an important descriptor for sample discrimination) and metallic (Table 1). In saltiness, the significant interaction was mainly produced because of the different scoring for samples HA2, HL1, HA1, MAL1, and MAL2 in session S1 (Figure 3), while, in the case of metallic, the significant interaction is due to the abnormally high score of MAL1 in session S1 (Figure 3).
