If We Look at Cognitive Development from Piaget's Perspective, We $\begin{array} { l l l l l l } o & o & o & o & o & o\end{array}$

Multiple Choice

If we look at cognitive development from Piaget's perspective, we would expect a child in the concrete operations stage to have the greatest difficulty with which one of the following questions?

A) How are an apple and a blueberry alike?
B) If you have 8 Macintosh apples and 2 Golden Delicious apples, then do you have more Macintoshes or more apples?
C) An apple pie is cut into 4 pieces. A blueberry pie of the same size is cut into 12 pieces. How many pieces of blueberry pie do you need to have the same amount as 3 pieces of the apple pie?
D) If we have one row of blueberries spread like so: o o o o o o and another row of blueberries spread like so: $\begin{array} { l l l l l l } o & o & o & o & o & o\end{array}$
Then does one row have more blueberries than the other?