Knowledge is necessary for self-regulation and behavior modification because

The answer to the blank space given is understanding current behaviors is vital to changing them.

The term self-regulation that is used in the question refers to a person’s ability to manage his or her emotions in a way that is appropriate with the situation that he or she faces.

Behavior modification is defined as a psychological approach in changing unwanted behaviors with more desirable ones through principles of operant conditioning, namely, positive and negative reinforcement.

the game was released on september 15, 2015 for microsoft windows and os x, and on july 17, 2016 for linux. fox expressed interest in releasing undertale on other platforms, but was initially unable to port it to nintendo platforms without reprogramming the game due to the engine's lack of support for these platforms.