Which gestalt principle suggests that the human mind groups similar elements within an artwork where they build onto a larger concept?

An eighth-grade teacher has asked you to present information to her students about how watching television can affect adolescents’ academics and behavior. what important information should you share with this audience? write an essay that will serve as the basis for the speech you will deliver to the students. include important details from the selection "television and adolescents" to support your discussion.