Answer:
Hand washing has external health benefits, helping prevent the spread of communicable diseases. If a program were somehow devised so that people received a small reward every time they washed their hands, we would expect the frequency of hand washing to increase.
Explanation: People who are given something (A reward of some sort) are proven to do something more, (in this case washing their hands more), or better then they would do without a source of motivation.
Averee is said to be intrinsically motivated.
She is motivated by her desire to selflessly help people due to the fact that she enjoys what she does. She is not motivated by her desire to get money or fame (that would be extrinsic motivation), but rather the goodness of her heart to help others feel better.
