A PET scan records the amount of which radioactive substance used by brain cells?

Height is influenced by an estimated 10 genes

Indicate whether this statement is true or false.

Why do psychologists assert that heuristics are beneficial for problem solving?

a. Heuristics increase the amount of time we spend arriving at good solutions to problems. b. Heuristics decrease our chances of errors dramatically. c. Heuristics help us make decisions efficiently. d. Heuristics are considered the most logical thought pattern for problem solving.