Neologism is indicative of a thought disorder, in this case, schizophrenia. From Greek, Neo means new, and logos means word. Neo+logos = new words.
This is categorized under Positive Symptoms, psychotic behaviors that aren't usually seen in or displayed by healthy people.
Answer:
Tituba confesses so readily to get a reprieve from the beating she is receiving. Hale and Parris threaten to hang her if she does not cooperate. It is then that she realizes the truth is not going to save her.