What is it called if people can solve a problem after not thinking about it?

What is it called if people can solve a problem after not thinking about it?
 
  a. insight
  b. analogy
  c. Einstellung
  d. incubation

Question 2

Neuropsychological research supports each of the following claims EXCEPT __________.
 
  a. left frontal involvement in solving problems by analogy
  b. left parietal involvement in solving problems by analogy
  c. right hemisphere involvement in solving insight problems involving semantic memory
  d. a hypothalamic pathway used for solving insight problems involving semantic memory

Question 3

In problem solving, what is incubation?
 
  a. the feeling of getting warmer as people approach a solution
  b. when people come to be able to solve a problem after not thinking about it for a while
  c. when people take the advice of others to solve a problem
  d. when people are provided with a hint to how to solve a problem

Question 4

Metcalfe & Weibe (1986, 1987) studied how people solve problems. Their most important finding was __________.
 
  a. implicit memory can be spared despite poor explicit memory
  b. people have good insight into their ability to solve routine, but not insight, problems
  c. people have good insight into their ability to solve insight problems
  d. people are good at solving insight problems, unless reasoning by analogy is required