We easily associate a table and a chair because there is often ...

[tiara099]

We easily associate a table and a chair because there is often close spatial _________ between the two items.
 
  Fill in the blank(s) with correct word

Question 2

Being quite addicted to computer games, Jules decides to implement a program to gradually reduce the amount of time that she spends playing these games. A useful design for determining if her program is successful would be a(n) _________ design.
 
  Fill in the blank(s) with correct word

[polinasid]

Answer to Question 1

contiguity

Answer to Question 2

changing-criterion