Previous research has found that individuals display behavioral and hormonal differences when engaged in competition with natural and experimental ingroup and outgroup members. The current work expands on this line of research by examining the impact of shared group status on reactive aggression in response to provocation. Using a previously validated measure of reactive aggression, participants were provoked by and given a chance to aggress on to either a racial ingroup or outgroup member. Participants also provided saliva samples to allow for monitoring changes in testosterone. It was hypothesized that behavioral aggression would be predicted by changes in testosterone and that this relationship would be moderated by group status. Analyses indicated that the relationship between aggression and changes in testosterone, a previously established relationship, was present primarily for participants playing with an outgroup member, while the relationship was not present for those playing with an ingroup member. The results and future directions are discussed in relation to previous aggression studies with respect to the current study's experimental manipulation and behavioral measurement.
","abstract_html":"<p>Previous research has found that individuals display behavioral and hormonal differences when engaged in competition with natural and experimental ingroup and outgroup members. The current work expands on this line of research by examining the impact of shared group status on reactive aggression in response to provocation. Using a previously validated measure of reactive aggression, participants were provoked by and given a chance to aggress on to either a racial ingroup or outgroup member. Participants also provided saliva samples to allow for monitoring changes in testosterone. It was hypothesized that behavioral aggression would be predicted by changes in testosterone and that this relationship would be moderated by group status. Analyses indicated that the relationship between aggression and changes in testosterone, a previously established relationship, was present primarily for participants playing with an outgroup member, while the relationship was not present for those playing with an ingroup member. The results and future directions are discussed in relation to previous aggression studies with respect to the current study's experimental manipulation and behavioral measurement.</p>","abstract_has_math":false,"creators":["Fuller, Eric William"],"institution":null,"degree_name":"Ph.D.","degree_level":"Open Access Dissertation","degree_discipline":"Psychology","degree_department":null,"school":null,"contributors":["Justin Carré"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2014,"date_issued":"2014-01-01T08:00:00Z","date_published":"2014-01-01T08:00:00Z","updated_at":"2026-07-24T05:59:56Z","subjects":["Aggression","Competition","Intergroup Behavior","Testosterone","Other Psychology","Social Psychology"],"languages":[],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://digitalcommons.wayne.edu/oa_dissertations/1071","outbound_label":"Repository record","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Justin Carré"]},{"key":"dc:creator","label":"Author","values":["Fuller, Eric William"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.available","label":"Dc Date Available","values":["2014-01-01T08:00:00Z"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Psychology"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Open Access Dissertation"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Ph.D."]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Aggression","Competition","Intergroup Behavior","Testosterone","Other Psychology","Social Psychology"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://digitalcommons.wayne.edu/oa_dissertations/1071"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["Previous research has found that individuals display behavioral and hormonal differences when engaged in competition with natural and experimental ingroup and outgroup members. The current work expands on this line of research by examining the impact of shared group status on reactive aggression in response to provocation. Using a previously validated measure of reactive aggression, participants were provoked by and given a chance to aggress on to either a racial ingroup or outgroup member. Participants also provided saliva samples to allow for monitoring changes in testosterone. It was hypothesized that behavioral aggression would be predicted by changes in testosterone and that this relationship would be moderated by group status. Analyses indicated that the relationship between aggression and changes in testosterone, a previously established relationship, was present primarily for participants playing with an outgroup member, while the relationship was not present for those playing with an ingroup member. The results and future directions are discussed in relation to previous aggression studies with respect to the current study's experimental manipulation and behavioral measurement.
"]},{"key":"dc:title","label":"Title","values":["Friend Or Foe: The Effect Of Shared Group Status On Aggressiveness And Testosterone In Response To Provocation"]}]}],"canonical_facts":{"dc:contributor":["Justin Carré"],"dc:creator":["Fuller, Eric William"],"dc:date.available":["2014-01-01T08:00:00Z"],"dc:description.abstract":["Previous research has found that individuals display behavioral and hormonal differences when engaged in competition with natural and experimental ingroup and outgroup members. The current work expands on this line of research by examining the impact of shared group status on reactive aggression in response to provocation. Using a previously validated measure of reactive aggression, participants were provoked by and given a chance to aggress on to either a racial ingroup or outgroup member. Participants also provided saliva samples to allow for monitoring changes in testosterone. It was hypothesized that behavioral aggression would be predicted by changes in testosterone and that this relationship would be moderated by group status. Analyses indicated that the relationship between aggression and changes in testosterone, a previously established relationship, was present primarily for participants playing with an outgroup member, while the relationship was not present for those playing with an ingroup member. The results and future directions are discussed in relation to previous aggression studies with respect to the current study's experimental manipulation and behavioral measurement.
"],"dc:identifier":["https://digitalcommons.wayne.edu/oa_dissertations/1071"],"dc:subject":["Aggression","Competition","Intergroup Behavior","Testosterone","Other Psychology","Social Psychology"],"dc:title":["Friend Or Foe: The Effect Of Shared Group Status On Aggressiveness And Testosterone In Response To Provocation"],"thesis:degree_discipline":["Psychology"],"thesis:degree_level":["Open Access Dissertation"],"thesis:degree_name":["Ph.D."]},"updated_at":"2026-07-24T05:59:56Z"}