Editing Illusory correlation (section)

==History==
"Illusory correlation" was originally coined by Chapman (1967) to describe people's tendencies to overestimate relationships between two groups when distinctive and unusual information is presented.<ref name="Whitley" /><ref name="Chapman1967">{{cite journal|last1=Chapman|first1=Loren J.|title=Illusory correlation in observational report|journal=Journal of Verbal Learning and Verbal Behavior|volume=6|issue=1|year=1967|pages=151–155|doi=10.1016/S0022-5371(67)80066-5}}</ref>  The concept was used to question claims about objective knowledge in clinical psychology through [[Rorschach test#Illusory and invisible correlations|Chapmans' refutation]] of many clinicians' widely used Wheeler signs for homosexuality in [[Rorschach test]]s.<ref>{{cite journal|last1=Chapman|first1=Loren J. |last2=Chapman|first2=Jean P.|title=Illusory Correlation as an Obstacle to the Use of Valid Psychodiagnostic Signs|journal=Journal of Abnormal Psychology|year=1969|volume=74|issue=3|pages=271–80|doi=10.1037/h0027592|pmid=4896551}}</ref>