When Madsen and Shapira Compared Children from Various Cultural Groups

When Madsen and Shapira compared children from various cultural groups as they played with the Cooperation Board, they discovered that

A) Mexican children were the most competitive of all.
B) Anglo-American children refused to play the game.
C) American children would cooperate if they saw competition as clearly counter-productive.
D) children from less technologically-advanced cultures cooperated more than did children from advanced Western cultures.
E) children from simpler cultures could not understand the rules of the game.