#1) How does the voice affect the characterization and credibility of the text?
Answer: The way that the voice affect the characterization of the text is by giving the story a humorous tone. Also it affects the credibility of the text by overreacting and exaggerating which as a result makes the text not much credible.
I hope it helps, Regards.
I would believe an encyclopedia
No Fear Shakespeare: Romeo and Juliet: Act 1
He is hired to train people to speak properly.
(The last answer)
Hope this helps :)