Psychologists studying infant memory want to determine at what age babies can remember specific events. An experimenter uses several puppets to demonstrate a series of actions while the infant watches. After a delay, the experimenter records how many of the actions the child imitates when playing with the puppets. What is the independent variable?

The number of imitated action

Explanation:

The imitation is vitally important for child development in social skills, play, and language. We all when in childhood even in adulthood learn by imitating others' actions and thought. a child first learns to imitate movement rather than sound through speech. Even motor development also not related to language development. A child starts to learn such type of learning when he/she start to move their body parts. holding own hands, setting mobile, and exploring toys by putting in the mouth is an example of motor skills imitation. gestural imitation is there:

Waving bye-bye Touching nose Catching toys Shake hands up and down Smile Clap your hands