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Title: Cardiovascular reactivity and resistance to opposing viewpoints during intragroup conflict
Author(s): Frank R.C. de Wit, Daan Scheepers and Karen A. Jehn
Journal: Psychophysiology
Year: 2012
Volume: 49
Pages: 1523–1531
DOI: 10.1111/j.1469-8986.2012.01456.x
File URL: vuams-pubs/Wit_2012.pdf
Keywords: Threat, Conflict, Heart rate, Cardiac output, Anxiety, Total peripheral resistance
Abstract: This study examined how the outcomes of joint decision making relate to cardiovascular reactions when group members disagree about the decision to be taken. A conflict was experimentally induced during a joint decision-making task, while cardiovascular markers of challenge/threat motivational states were assessed following the biopsychosocial model of challenge and threat (BPSM; J. Blascovich, 2008). Results show that individuals were less likely to adjust their initially preferred decision alternative the more they exhibited a cardiovascular pattern indicative of threat (i.e., relatively high total peripheral resistance and low cardiac output) compared to challenge. This finding extends the BPSM by showing a link between threat and rigidity, and emphasizes the importance of psychophysiological processes for studying intragroup conflict and decision making.

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