Editing Irving Janis (section)

{{Use American English|date=September 2022}}
{{Use mdy dates|date=September 2022}}
{{short description|American psychologist (1918–1990)}}
{{Infobox scientist
| name              = Irving Janis
| image             = 
| caption           = 
| birth_name        = 
| birth_date        = May 26, 1918
| birth_place       = [[Buffalo, New York]], U.S.
| death_date        = {{death date and age|1990|11|15|1918|5|26}}
| death_place       = [[Santa Rosa, California]], U.S.
| death_cause       = 
| other_names       = 
| fields            = [[Psychology]]
| thesis_title      = Psychological effects of electric convulsive treatments
| thesis_url        = https://www.proquest.com/docview/301842764/
| thesis_year       = 1950
| known_for         = 
| education         = [[University of Chicago]] ([[Bachelor of Science|BS]])<br />[[Columbia University]] ([[PhD]])
| employer          = [[Yale University]]
| title             = 
| term              = 
| predecessor       = 
| successor         = 
| party             = 
| boards            = 
| spouse            = Marjorie Janis
| children          = 2
| parents           = 
| relatives         = 
}}
'''Irving Lester Janis''' (May 26, 1918 – November 15, 1990) was an American research [[psychologist]] at [[Yale University]] and a professor emeritus at the [[University of California, Berkeley]] most famous for his theory of "[[groupthink]]", which described the systematic errors made by groups when making collective decisions.<ref name=NewYorkTimesObituary1990>{{cite news |url=https://www.nytimes.com/1990/11/18/obituaries/irving-janis-dies-at-72-coined-group-think.html |title=Irving Janis Dies at 72; Coined 'Group Think' |work=[[New York Times]] |date= November 18, 1990}}</ref><ref name=AmPsychObituary1992>{{Cite journal | last1 = Smith | first1 = M. Brewster  | last2 = Mann | first2 = Leon | doi = 10.1037/0003-066X.47.6.812 | title = Irving L. Janis (1918–1990): Obituary | journal = [[American Psychologist]] | volume = 47 | issue = 6 | pages = 812–813 | date = June 1992}}</ref> A ''[[Review of General Psychology]]'' survey, published in 2002, ranked Janis as the 79th most cited psychologist of the 20th century.<ref>{{cite journal |last1=Haggbloom |first1=Steven J. |display-authors=etal |title=The 100 most eminent psychologists of the 20th century |journal=Review of General Psychology |volume=6 |issue=2 |year=2002 |pages=139–152 |doi=10.1037/1089-2680.6.2.139 |url=http://www.apa.org/monitor/julaug02/eminent.aspx |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 |last2=Powell |first2=John L. III|s2cid=145668721 }}</ref>