Infants use different mechanisms to make small and large number ordinal judgments.

@article{vanMarle2013InfantsUD,
  title={Infants use different mechanisms to make small and large number ordinal judgments.},
  author={Kristy vanMarle},
  journal={Journal of experimental child psychology},
  year={2013},
  volume={114 1},
  pages={102-10}
}
Previous research has shown indirectly that infants may use two different mechanisms--an object tracking system and an analog magnitude mechanism--to represent small (<4) and large (≥4) numbers of objects, respectively. The current study directly tested this hypothesis in an ordinal choice task by presenting 10- to 12-month-olds with a choice between different numbers of hidden food items. Infants reliably chose the larger amount when choosing between two exclusively small (1 vs. 2) or large (4… CONTINUE READING