A researcher who contradicts Piaget's theory on cognitive development is most likely to state that_______.

A) infants show deferred imitation as early as nine months of age.
B) deferred imitation appears at about 18 months after birth.
C) the sensorimotor stage is the first stage of cognitive development.
D) the second substage of the sensorimotor stage lasts from about one to four months of age.

Piaget's Theory

A framework proposed by Jean Piaget that outlines how children's cognitive abilities develop through a series of stages as they grow.

Deferred Imitation

The ability to remember and replicate an action observed at an earlier time, without the model being present.

Sensorimotor Stage

The first stage in Piaget's theory of cognitive development, from birth to about 2 years, where infants learn about the world through their senses and actions.