In the Nine-Dot Problem Discussed in Your Textbook, the Rules

Multiple Choice

In the nine-dot problem discussed in your textbook, the rules do not specify that the lines cannot extend beyond the dots, however most people try to find a solution that follows this non-existent rule anyway. This is an example of:

A) the anchoring effect.
B) belief perseverance
C) a goal state
D) a self-imposed cognitive obstacle.