Mark Zanna, FRSC (March 4, 1944 – February 22, 2020) was a

social psychologist Social psychology is the scientific study of how thoughts, feelings, and behaviors are influenced by the real or imagined presence of other people or by social norms. Social psychologists typically explain human behavior as a result of the re ...

at the

University of Waterloo The University of Waterloo (UWaterloo, UW, or Waterloo) is a public research university with a main campus in Waterloo, Ontario Waterloo is a city in the Canadian province of Ontario. It is one of three cities in the Regional Municipality ...

. He was well known for his work on attitudes and intergroup relations. He earned his

Ph.D. A Doctor of Philosophy (PhD, Ph.D., or DPhil; Latin: or ') is the most common degree at the highest academic level awarded following a course of study. PhDs are awarded for programs across the whole breadth of academic fields. Because it is ...

from

Yale University Yale University is a private research university in New Haven, Connecticut. Established in 1701 as the Collegiate School, it is the third-oldest institution of higher education in the United States and among the most prestigious in the wo ...

Research

A major debate among attitude researchers in the 1970s concerned whether

cognitive dissonance theory In the field of psychology, cognitive dissonance is the perception of contradictory information, and the mental toll of it. Relevant items of information include a person's actions, feelings, ideas, beliefs, values, and things in the environment. ...

self-perception theory Self-perception theory (SPT) is an account of attitude formation developed by psychologist Daryl Bem. It asserts that people develop their attitudes (when there is no previous attitude due to a lack of experience, etc.—and the emotional respon ...

best accounted for how people's attitudes change. While at

Princeton University Princeton University is a private university, private research university in Princeton, New Jersey. Founded in 1746 in Elizabeth, New Jersey, Elizabeth as the College of New Jersey, Princeton is the List of Colonial Colleges, fourth-oldest ins ...

, Zanna and Joel Cooper conducted a landmark experiment that resolved the discrepancy in favor of cognitive dissonance. They demonstrated that

arousal Arousal is the physiological and psychological state of being awoken or of sense organs stimulated to a point of perception. It involves activation of the ascending reticular activating system (ARAS) in the brain, which mediates wakefulness, th ...

is necessary for some instances of attitude change—a precondition specified by dissonance theory but not by self-perception theory. Zanna also demonstrated the existence of

self-fulfilling prophecies A self-fulfilling prophecy is a prediction that comes true at least in part as a result of a person's or group of persons' belief or expectation that said prediction would come true. This suggests that people's beliefs influence their actions. T ...

within intergroup interactions. At the time, one explanation for why

white Americans White Americans are Americans who identify as and are perceived to be white people. This group constitutes the majority of the people in the United States. As of the 2020 Census, 61.6%, or 204,277,273 people, were white alone. This represented ...

tended to be hired more often than

African Americans African Americans (also referred to as Black Americans and Afro-Americans) are an ethnic group consisting of Americans with partial or total ancestry from sub-Saharan Africa. The term "African American" generally denotes descendants of ens ...

was that African American candidates tended to perform poorly in job interviews (i.e., that it was due to actual performance, not prejudice on the part of white interviewers). Zanna and his fellow researchers demonstrated that it was actually non-verbal cues on the part of white interviewers that elicited poor performance from African American candidates. That is, interviewers expected African American candidates to perform poorly and treated them more coldly, causing poor performance in response. In a subsequent experiment, the researchers demonstrated that white candidates performed just as poorly when the interviewer treated them the way the previous African American candidates had been treated.

Awards

* 1997 -

Society for Personality and Social Psychology The Society for Personality and Social Psychology (SPSP) is an academic society for personality and social psychologists focused on promoting scientific research that explores how people think, behave and interact. It is the largest organization o ...

, Donald T. Campbell Award * 1999 - Fellow of the

Royal Society of Canada The Royal Society of Canada (RSC; french: Société royale du Canada, SRC), also known as the Academies of Arts, Humanities and Sciences of Canada (French: ''Académies des arts, des lettres et des sciences du Canada''), is the senior national, bil ...

Social Sciences Social science is one of the branches of science, devoted to the study of societies and the relationships among individuals within those societies. The term was formerly used to refer to the field of sociology, the original "science of soci ...

Division * 2007 -

Society of Experimental Social Psychology The Society of Experimental Social Psychology (SESP) is a scientific organization of social scientists founded in 1965 with the goal of advancing and communicating theories in social psychology. Its first chairperson was Edwin P. Hollander.Hollande ...

, Distinguished Scientist Award * 2011 -

Killam Research Fellowship Killam is a surname. Notable people with the surname include: * Albert Clements Killam (1849–1908), Canadian lawyer * Amasa Emerson Killam (1834–1922), Canadian politician * Dorothy J. Killam (1900–1965), Canadian philanthropist * Eva Ki ...

, Social Sciences

References

External links

Professional profile

Waterloo faculty page
Canadian psychologists Social psychologists 2020 deaths 1944 births {{Canada-psychologist-stub

Research

Awards

See also

References

External links