The swiss swientist who emphasized that infants were active learners and that early learning is based on sesory and motor skills was:

On average, children begin saying recognizable words at about:

A baby searches the faces of her parents to see how to respond in unfamiliar situations.  This is called:

During proctored quizzes, the session is recorded and sent to the instructor for review if the exam is flagged for possible academic dishonesty.

By 10 months of age, Alan has a vocabulary of a dozen words.  B.F. Skinner would have attributed Alan’s rapid speech development mainly to his:

A baby searches the faces of her parents to see how to respond in unfamiliar situations.  This is called:

Hugh enjoys playing with your keys.  When you take them away and place them in your pocket, Hugh does not search for them.  Piaget would say that Hugh does not understand:

By 10 months of age, Alan has a vocabulary of a dozen words.  B.F. Skinner would have attributed Alan’s rapid speech development mainly to his:

Unusual swelling of a toddler’s face and abdomen and thin, colorless hair are symptoms of:

The sense that is the least developed at birth is: