Ajeet’s younger sister is always bugging him. One day, Ajeet lets her play his video game, and she stops bugging him for several hours. Ajeet now lets her play his video game more and more, because...

Ajeet’s younger sister is always bugging him. One day,

Ajeet lets her play his video game, and she stops bugging

him for several hours. Ajeet now lets her play his video

game more and more, because doing so stops her from

bugging him. Ajeet’s learning in this situation is best

explained by ______.
a) positive reinforcement
b) negative reinforcement
c) positive punishment
d) negative punishment