Twenty-four-month-old Joey is visiting a theme park for the…
Twenty-four-month-old Joey is visiting a theme park for the first time. At the park he sees some zebras, an animal with which he is unfamiliar. Despite this, he looks at the animals and shouts, “Look… horsey!” Clearly, Joey had previously formed a mental scheme for horses, but not one for zebras. Piaget would say that Joey’s reaction best demonstrates the concept of: