Preliminary research allows you to what

Preliminary Research is research on a topic that helps you get a better understanding on what types of sources are available and what is being said about a topic. This type of research helps solidify a topic by broadening or narrowing it down.

irving effectively uses emotional responses to create suspense in the story.irving’s tone creates expectations for the reader, which in turn create suspense.irving’s suspense would have been more effective with more vivid details.irving’s story is not suspenseful

as for symbolic actions, the narrator's tearing down the wallpaper in an attempt to find the "woman" in the wallpaper represents her struggle to retain or regain her sanity.   the wallpaper has been part of her confinement and by her tearing it down, she is freeing herself from that confinement.