The "Hiker Puzzle," Which Is Presented in the Textbook, Illustrates

Multiple Choice

The "hiker puzzle," which is presented in the textbook, illustrates the point that

A) functional fixedness adversely affects problem solving.
B) the way a problem is represented will affect its difficulty.
C) people tend to judge as valid those conclusions with which they agree.
D) a mental set can increase the speed of problem solving.