In a Series of Studies Using the Tower of Hanoi

Multiple Choice

In a series of studies using the Tower of Hanoi, researchers found that:

A) 3-year-olds could keep the rules in mind.
B) 6-year-olds could not keep the rules in mind at all.
C) 6-year-olds could form subgoals that would take them part of the way to the solution but could not think the problem all the way through.
D) practicing and training did not help children do better in the game.