And example of situational irony in the story is when the narrator is so confident with his crime and he just knows he will not be caught, then he confesses to the police. How does this point of view help create the “single effect”? It makes it more interesting/scarier because it's told from only one point of view.Click to see full answer. Similarly, it is asked, how does point of view affect the Tell Tale Heart?The narrator in “The Tell-Tale Heart” shares the story from his own, personal perspective; thus the story is told in a first-person point of view. Any other point of view, like omniscient, for example, would give the audience a look into the minds of other characters in the story, not just the narrator's. why is first person point of view effective in the Tell Tale Heart? Analysis of “The Tell-Tale Heart” Point of view is important to any story, because it can help create the mood, and setting of a piece. In “The Tell-Tale Heart” Poe uses first person point of view to create suspense and tension, while letting the reader try to discover the thoughts of the narrator. Also to know, what is Poe's single effect? Poe's concept of a “single effect” applies to short stories, and basically states that every element of a story should contribute to a single emotional effect of the story. This rule was important, because Poe was the founder of the short story, and this consequently became a foundational rule of the genre.What effect does the chosen point of view have on this story?Point of view has an important impact on the book “The Cask of Amontillado” because the point of view determines the way we understand the story. The story would be different because Montresor is an unreliable narrator. If Fortunato told the story we would be able to see his point of view.