A Problem-Solving Set

Multiple Choice

A problem-solving set

A) is generally a deterrent to problem solving,so one should seek to approach a problem without a set.
B) is an obstacle for novice problem solvers but not for experts.
C) is crucial for well-defined problems but cannot help with ill-defined problems.
D) often helps because the set leads us to ignore a number of options that obviously will not lead to the goal.