Ronald Is in the First Grade and Is Given an Addition

Multiple Choice

Ronald is in the first grade and is given an addition worksheet to complete. At one point on the worksheet, the problems 2 + 5 = and 5 + 2 = are side-by-side. Ronald uses his fingers to count out each problem, although the same numbers are used but in a different order. Ronald is illustrating his lack of

A) reversibility.
B) object permanence.
C) animism.
D) egocentric thought.