A Problem Is Presented in the Textbook That Involves Connecting

Multiple Choice

A problem is presented in the textbook that involves connecting nine dots arranged in a square using four continuous lines drawn without lifting the pencil. Most people are initially unable to solve this problem because they assume incorrectly that they are not allowed to extend the lines beyond the square formed by the dots. This incorrect assumption illustrates how which of the following can be major barrier to creative thinking?

A) incubation
B) divergent thinking
C) a prototype
D) a mental set