Verbal Behavior (VB) is a communication theory that proposes that language, like any other observable action, is a learned behavior that can be acquired, developed, and sustained through the application of behavioral strategies (i.e. prompting, reinforcing, planned ignoring, etc.).herefore, the childâs Verbal Behavior (language and communication skills) can be shaped, increased, and modified using the laws of behavioral change, and language growth is affected and mediated by the types of responses the child receives.