Tim suffers from attention deficit hyperactivity disorder (adhd). his teachers and parents reward him with stars for desirable behaviors. the more stars he receives, the greater the reward he can get. this is known as . a token economy.
b. a reward economy.
c. a nonaversive economy.
d. a broken economy.

When do people generally experience rapid growth for a second time? a. between the ages of 3 and 9 b. between the ages of 9 and 12 c. between the ages of 13 and 20 d. between the ages of 25 and 29 which action occurs in the third stage of cell division? a. the nuclear material of cell is copied exactly. b. the nuclear membrane disappears. c. the cell forms two nuclei d. the nuclear material separates, with half moving to either side of the cell.