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| 1975 || Social bias || {{w|Self-serving bias}} || Miller and Ross conduct a study that is one of the earliest to assess not only {{w|self-serving bias}} but also the attributions for successes and failures within this theory.<ref>{{cite journal|last=Larson|first=James|author2=Rutger U |author3=Douglass Coll |title=Evidence for a self-serving bias in the attribution of causality|journal=Journal of Personality|volume=45|issue=3|pages=430–441|doi=10.1111/j.1467-6494.1977.tb00162.x |year=1977}}</ref> || {{w|Self-serving bias}} is the common habit of a person taking credit for positive events or outcomes, but blaming outside factors for negative events."<ref>{{cite web |title=What Is a Self-Serving Bias and What Are Some Examples of It? |url=https://www.healthline.com/health/self-serving-bias |website=healthline.com |accessdate=7 May 2020}}</ref>
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| 1976 || Behavioral bias || {{w|Escalation of commitment}} || {{w|Escalation of commitment}} is first described by Barry M. Staw in his paper ''Knee deep in the big muddy: A study of escalating commitment to a chosen course of action''.<ref name=Staw1976>{{cite journal|last1=Staw|first1=Barry M.|title=Knee-deep in the big muddy: a study of escalating commitment to a chosen course of action|journal=Organizational Behavior and Human Performance|date=1976|volume=16|issue=1|pages=27–44|doi=10.1016/0030-5073(76)90005-2}}</ref> || {{w|Escalation of commitment}} "It refers to the irrational behavior of investing additional resources in a failing project."<ref>{{cite web |title=Escalation of Commitment: Definition, Causes & Examples |url=https://bizfluent.com/13720599/escalation-of-commitment-definition-causes-examples |website=bizfluent.com |accessdate=7 May 2020}}</ref>
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| 1976 || Social bias || {{w|Ultimate attribution error}} || Prior to Pettigrew's formalization of the {{w|ultimate attribution error}}, Birt Duncan finds that [[w:White people|White]] participants view [[w:Black people|Black]] individuals as more violent than White individuals in an "ambiguous shove" situation, where a Black or White person accidentally shoves a White person.<ref name="Duncan 1976 75–93">{{cite journal|last=Duncan|first= B. L.|title= Differential social perception and attribution if intergroup violence: Testing the lower limits of stereotyping of Blacks|journal= {{w|Journal of Personality and Social Psychology}}|year= 1976|volume= 34|issue= 4|pages= 75–93|doi= 10.1037/0022-3514.34.4.590|url= https://semanticscholar.org/paper/be311d0db3ad5857f7ff9587cb65cf1c590baa5c}}</ref> || "The tendency for persons from one group (the ingroup) to determine that any bad acts by members of an outgroup—for example, a racial or ethnic minority group—are caused by internal attributes or traits rather than by outside circumstances or situations, while viewing their positive behaviors as merely exceptions to the rule or the result of luck."<ref>{{cite web |title=APA Dictionary of Psychology |url=https://dictionary.apa.org/ultimate-attribution-error |website=dictionary.apa.org |accessdate=7 May 2020}}</ref>
