The answer is: Plasticity
Plasticity genes refers to the type of genes that would show a certain unique characteristics if being exposed to a certain type of environment. This plasticity could explains how two different individuals could give a different reaction when they are experiencing an exact same event.
Answer:
honestly I don't know what the hell that is
Example: the child has brushed its teeth alone.
My proposal:
"Dear Kathy! I am very proud of you for brushing your teeth alone, you did it very well! I am proud of you and I will be proud of you every time you do it!"
The point of such a praise is to encourage the child to do the same thing again.