CONSTANCY By N., Pam M.S. - April 7, 2013 noun. The propensity of perceptions to stay unmodified regardless of changes in the exterior state of observation. CONSTANCY: "The constancy of the chair in the empty room while the lights dimmed and brightened made Martha question what she was seeing." Related Psychology Terms OBJECTIVITY CONSTANCY OF THE IQ PLAYFULNESS W-STATE CONSTANCY PRINCIPLE OBJECTIVE ELABORATION POSITIVE AFFECT VISUAL DOMINANCE 1 DEINDIVIDUATION TOPICAL APPLICATION Cite this page: N., Pam M.S., "CONSTANCY," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/constancy/ (accessed May 11, 2021).