Jon's behavior is least likely to serve which of the following purposes?

The behavior that demonstrates mastery of material primarily serves the purpose of showcasing knowledge and understanding rather than fulfilling a social or motivational need. When students wish to demonstrate mastery, they are typically engaged in positive educational outcomes, focusing on learning and assessment rather than diverting attention or challenging authority within the classroom setting.

In contrast, the other choices are related to social dynamics and interactions with peers and teachers. Seeking attention from peers involves acting out in ways intended to garner social recognition or affirmation. Asserting control over the classroom is about establishing power or influence within the dynamic, while establishing dominance directly relates to a student's attempt to be seen as superior or in charge amongst their classmates. Each of these actions is often motivated by social or emotional needs rather than a desire to demonstrate academic competence. Thus, mastering material does not align with the underlying motivations that lead to these behaviors.