I believe the answer is Shaping.
Shaping is a reinforcement technique which use a reward that given gradually after the subject is showing a certain desired traits.
On parakeets, this could be done by giving them a food reward everytime they move their head closer to the place where we want it to be (closer to your cheek)
Answer:
it is helpful for you ok have a good time
Answer:
when the ball is at its highest point in the air
Explanation:
when it get to the highest point it is at its most potential energy.
-<em>Justin </em>