Figure 10. Learning curves for 3-, 4- and 7-item lists trained in experiment by Terrace et al. (2000). Panels A & B.  Each panel shows the percentage of correctly completed trials during the first and the last (lower and upper functions, respectively) sessions of training on 3-item lists (A) and 4-item lists (B). The dashed lines show the best-fit linear models. Panel C. Each function shows the mean accuracy of responding on each 7-item list during even-numbered sessions.  Note that the abscissa in Panel C is Session (not List).