Baby Lakota Is Shown a Ball That Is Then Hidden

Multiple Choice

Baby Lakota is shown a ball that is then hidden under a cover. What must Lakota do to retrieve the ball?

A) Lakota will need to recall the location of the ball.
B) Lakota must coordinate "pushing aside" and "grasping" schemes to retrieve the ball.
C) Lakota will not be able to retrieve the ball until she is in Substage 6 of the sensorimotor period.
D) Lakota will have trouble retrieving the ball until she no longer makes the A-not-B error.