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All children readily learned the pretraining tasks and performed errorlessly on the generalized identity-matching tasks, thereby demonstrating reflexivity (Boelens, 2001; Green, 1990; Sidman et al.
For P9 and P10, who met the criterion for equivalence class establishment but not errorlessly, the latency differences are large, as seen with P1 (who ultimately passed) in Experiment 1.
Furthermore, they all demonstrated symmetry and equivalence, learned the (B-C)-BC relations errorlessly, and passed both equivalence-equivalence tests (BC-BC), without and with competition (see Table 6).