Research: Thriller and Suspense Genre

Definitions:

A thriller is a genre of literature, film, or any type of media which provides the audience with high levels of emotion during the time of exposure. Suspenseful films are ones that provide the audience with a feeling of uncertainty during the time of exposure. These films accomplish this by putting the audience in a situation in which they don't know what will happen in the following sections of the scene. An example of this includes jump scares. These are techniques that are often used in horror and suspenseful films to fill a scene with emotion and uncertainty.
You can see a remarkable jumpscare in the following video:
This jump scare comes from a film called "Annabelle: Creation(2017)."

Target Audience:

The target audience of many psychological thrillers are 18+, this is because they contain many disturbing characters with psychological illnesses. Some common themes in most thriller films are violence, psychological issues.

Thrillers and suspense films may contain many similar characteristics; However, with a thriller, you might know who the killer is from the beginning of the movie, but you’re intrigued and insecure by the chase — and the action needs to be punctuated at key moments. For suspense, you might know who the killer is from the beginning but there could be a slower pace and you’re still insecure by the sense of danger. Also, thrillers normally contain action as well as danger, an example being "It"(2017), while suspense films may contain danger but not necessarily action, such as, "Buried"(2010).