I would say maybe when someone invites you somewhere but you don't really want to go because you don't think it will be fun at all. That is prejudging a situation.
The choice of narrator affects the plot of a narrative in the following way:
d) The narrator's point of view affects the amount of information the reader receive.
Whenever the narrator is a character in the story, he may interact with other characters or may witsness certain events. These interactions are received by the reader through the narrator's eyes, so it affects the view of the reader. Moreover, the reader cannot know anything the narrator does not know, because it is his link to the story, and that limits the information the reader may receive.
I declare that testing on animals are not allowed
