FICTION By N., Pam M.S. - May 11, 2013 Psychology. This term is given to the imaginary or unproven concept that is accepted as true by a person for pragmatic reasons. Also called as-if hypothesis. FICTION: "Joe believed in his world of fiction." Related Psychology Terms SIGNIFICANCE LEVEL GROUND TRUTH DENYING THE CONSEQUENT RISKY PREDICTION BELONGING LIKELIHOOD RATIO ACCEPTANCE REGION SUGGESTIBILITY DUAL-STORE MODEL OF MEMORY CONSCIENTIOUS OBJECTOR Cite this page: N., Pam M.S., "FICTION," in PsychologyDictionary.org, May 11, 2013, https://psychologydictionary.org/fiction/ (accessed October 25, 2020).