After observing other children fighting on the playground, a young boy begins to pick a fight with one of his classmates. this scenario is most closely an example of:

social learning theory

Explanation:

Social learning theory -

According to this theory , the process of learning some new activity or task is done by observing and imitating other people , is referred to as social learning theory.

The society plays a major role , in the learning and growing stage of life , as they teach a lot of lessons and activity that are important for life.

Hence, from the given scenario of the question,

The correct term for the given example of the question is social learning theory.

I think the correct answer from the choices listed above is option B. It is the National Communication Association that issued  the Credo for Communication Ethics. The NCA Credo for Ethical Communication is a set of beliefs communication scholars have about the ethics of human communication.