<p>Serial learning was evaluated using the recall method. Three-component sequences were used. One of the components was the position of the element, while the other two varied in the dimensional property: colors or numbers. Experiment 1 evaluated differences in learning and remembering a sequence of colors or numbers. The results showed the numerical sequence was learned faster than the colors sequence; Experiment 2 evaluated the effect of learn a sequence of colors or numbers when learn first the positions associates to items. The results showed that learn the positions facilitated the learning of sequence. The analysis identified a position gradient as an explanatory factor of sequence learning; We also discuss about the item dimension effect on learning and recall sequences. Finally, the atypical serial position curves obtain were analyzed.</p>