Editing Robert Zajonc (section)

{{Short description|American social psychologist}}
{{Infobox scientist
| name              = Robert B. Zajonc
| image             = <!--(filename only, i.e. without "File:" prefix)-->
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| birth_date        = {{birth date|1923|11|23}}
| birth_place       = [[Łódź]], [[Second Polish Republic|Poland]]
| death_date        = {{death date and age|2008|12|3|1923|11|23}}
| death_place       = [[Stanford, California]], U.S.
| nationality       = [[United States|American]]
| fields            = [[Social psychology]]
| workplaces        = [[University of Michigan]]
| alma_mater        = [[University of Michigan]] (Ph.D. 1955) <br /> [[University of Paris]]
| thesis_title      = Cognitive Structure and Cognitive Tuning
| thesis_url        = https://search.lib.umich.edu/articles/record/FETCH-proquest_journals_3019665043
| thesis_year       = 1954
| doctoral_advisor  = [[Dorwin Cartwright]]
| doctoral_students = [[Hazel Rose Markus]]<br>[[Eugene Burnstein]]<br>[[John Bargh]]
| known_for         = [[Mere-exposure effect]]
| awards            = AAAS Prize for Behavioral Science Research
| spouses           = Donna Benson (divorced)<br>[[Hazel Rose Markus]]
| children          = Krysia，Peter, Michael and Joseph
| website           = <!--{{URL|www.example.com}}-->
| footnotes         = 
}}

'''Robert Bolesław Zajonc''' ([[Help:IPA/English|/ˈzaɪ.ənts/]] [[Help:Pronunciation respelling key|''ZY-ənts'']];<ref>{{Citation|last=Zajonc|first=Robert B.|chapter=Preface|date=1976|pages=155–156|publisher=Springer US|isbn=9781461587675|doi=10.1007/978-1-4615-8765-1_11|title=Social Psychology in Transition}}</ref><ref name=":0" /> <small>Polish:</small> [[Help:IPA/Polish|[ˈzajɔnt͡s]]]; November 23, 1923 – December 3, 2008) was an American [[Social psychology|social psychologist]] who is known for his decades of work on a wide range of social and cognitive processes. One of his most important contributions to [[social psychology]] is the [[mere-exposure effect]].<ref name=":0">{{Cite journal|last=Burnstein|first=Eugene|date=2009|title=Robert B. Zajonc (1923–2008).|journal=American Psychologist|volume=64|issue=6|pages=558–559|doi=10.1037/a0016661|issn=1935-990X}}</ref> Zajonc also conducted research in the areas of [[social facilitation]], and theories of emotion, such as the affective neuroscience hypothesis.<ref name=":0" /><ref name=":4">{{Cite journal|last=Berridge|first=Kent C.|date=October 12, 2010|title=Remembering Robert Zajonc: The Complete Psychologist|journal=Emotion Review|volume=2|issue=4|pages=348–352|doi=10.1177/1754073910375478|issn=1754-0739|pmc=3008563|pmid=22473376}}</ref>

He also made contributions to [[comparative psychology]].<ref name=":4" /> He argued that studying the social behavior of humans alongside the behavior of other species, is essential to our understanding of the general laws of social behavior.<ref name=":4" /> An example of his viewpoint is his work with cockroaches that demonstrated [[social facilitation]], evidence that this phenomenon is displayed regardless of species.<ref name=":4" /> A ''[[Review of General Psychology]]'' survey, published in 2002, ranked Zajonc as the 35th most cited psychologist of the 20th century.<ref>{{Cite journal|last1=Haggbloom|first1=Steven J.|last2=Warnick|first2=Renee|last3=Warnick|first3=Jason E.|last4=Jones|first4=Vinessa K.|last5=Yarbrough|first5=Gary L.|last6=Russell|first6=Tenea M.|last7=Borecky|first7=Chris M.|last8=McGahhey|first8=Reagan|last9=Powell|first9=John L.|last10=Beavers|first10=Jamie|last11=Monte|first11=Emmanuelle|date=June 1, 2002|title=The 100 Most Eminent Psychologists of the 20th Century|journal=Review of General Psychology|volume=6|issue=2|pages=139–152|doi=10.1037/1089-2680.6.2.139|s2cid=145668721|issn=1089-2680}}</ref>