Final answer:
The tracking technique can be used to evaluate an infant's early cognitive ability. Infants demonstrate an understanding of objects and how they work, even before they have experience with those objects.
Step-by-step explanation:
The tracking technique can be used to evaluate an infant's early cognitive ability. Infants demonstrate an understanding of objects and how they work, even before they have experience with those objects. For example, studies have shown that infants as young as 3 months old have knowledge of the properties of objects they have only viewed. This suggests that infants have cognitive abilities beyond their limited experiences in the world.