Fourth-graders Richard and Bruce sat on the stoop outside of the school. They had missed their bus and now had to make the decision whether to walk taking a short cut or just wait until their mothers notice they had not arrived home.

“I think we should start walking on the path, and maybe we will get there before they notice we missed the bus.”

“I think we should wait. If we walk on the path and our mothers come to get us, they won’t see us, and they’ll worry. Missing the bus is bad enough. If my mom can’t find me, she’ll be really mad!” In what type of problem solving are the two boys engaged?

A. Heuristic B. Schema-driven C. Algorithm