OBSERVER BIAS By N., Sam M.S. - 60 an experimental bias comprised of errors by a viewer in one direction. Such a bias is frequently correlated with the viewer's assumptions, beliefs, or private inclinations. OBSERVER BIAS: "Observer bias is less likely to occur in double-blind studies." Related Psychology Terms Discrimination and Mental Illness in the LGBT Population ESTHETICS CANNON, WALTER BRADFORD (1871-1945) COLOR BLINDNESS NURSERY SCHOOL EXPERIENCE CLINICAL PSYCHOLOGY A Comparison of Maternal and Paternal Filicide COGNITIVE DISSONANCE (Dissonance Theory) CHILD PSYCHIATRY Dissociative Identity Disorder Cite this page: N., Sam M.S., "OBSERVER BIAS," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/observer-bias/ (accessed June 30, 2022).