{"id":{"repo_id":"lethbridge","oai_identifier":"oai:opus.uleth.ca:10133/5807"},"canonical_url":"https://search.dev.ndltd.org/etd/lethbridge/oai:opus.uleth.ca:10133/5807","repository":{"repo_id":"lethbridge","name":"University of Lethbridge","base_url":"https://opus.uleth.ca/server/oai/request"},"display":{"title":"Inter-sexual mate competition: A previously unrecognized factor in the evolution of human mating","abstract":"Inter-sexual mate competition occurs any time opposite-sex individuals engage in romantic/sexual competition over the same target. The existence of bisexual behaviour among humans suggests the possibility of inter-sexual mate competition, but it has never been systematically documented. I address this absence with research in three cultures: Canada, Samoa, and the Istmo Zapotec (Southern Mexico). A mixed-method qualitative design was used to document the presence and characteristics of inter-sexual mate competition, and survey and experimental designs were used to understand its potential consequences. Inter-sexual mate competition is both prevalent and consequential in Samoa and the Istmo Zapotec, where women compete against rival women and feminine males for the romantic/sexual attention of men. In Canada, where male bisexual behaviour is uncommon, inter-sexual mate competition is rare and inconsequential. Evolutionary models of mating systems and dynamics can be improved by recognizing when and why inter-sexual mate competition occurs.","abstract_html":"Inter-sexual mate competition occurs any time opposite-sex individuals engage in romantic/sexual competition over the same target. The existence of bisexual behaviour among humans suggests the possibility of inter-sexual mate competition, but it has never been systematically documented. I address this absence with research in three cultures: Canada, Samoa, and the Istmo Zapotec (Southern Mexico). A mixed-method qualitative design was used to document the presence and characteristics of inter-sexual mate competition, and survey and experimental designs were used to understand its potential consequences. Inter-sexual mate competition is both prevalent and consequential in Samoa and the Istmo Zapotec, where women compete against rival women and feminine males for the romantic/sexual attention of men. In Canada, where male bisexual behaviour is uncommon, inter-sexual mate competition is rare and inconsequential. Evolutionary models of mating systems and dynamics can be improved by recognizing when and why inter-sexual mate competition occurs.","abstract_has_math":false,"creators":["Semenyna, Scott","University of Lethbridge. Faculty of Arts and Science"],"institution":null,"degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2020,"date_issued":"2020","date_published":"2020","updated_at":"2026-07-27T20:02:47Z","subjects":["Bisexuality","Femininity","Gender expression","Intersexuality","Sex customs","Sex preselection","Dissertations, Academic"],"languages":[],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["hdl:10133/5807"],"render_values":[{"text":"hdl:10133/5807","href":null,"code":true}]}]},"links":{"outbound_url":null,"outbound_label":null,"outbound_source":null},"metadata_groups":[{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.issued","label":"Date","values":["2020"]},{"key":"dc:type","label":"Dc Type","values":["Thesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Bisexuality","Femininity","Gender expression","Intersexuality","Sex customs","Sex preselection","Dissertations, Academic"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["hdl:10133/5807"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.other","label":"Dc Description Other","values":["Inter-sexual mate competition occurs any time opposite-sex individuals engage in romantic/sexual competition over the same target. The existence of bisexual behaviour among humans suggests the possibility of inter-sexual mate competition, but it has never been systematically documented. I address this absence with research in three cultures: Canada, Samoa, and the Istmo Zapotec (Southern Mexico). A mixed-method qualitative design was used to document the presence and characteristics of inter-sexual mate competition, and survey and experimental designs were used to understand its potential consequences. Inter-sexual mate competition is both prevalent and consequential in Samoa and the Istmo Zapotec, where women compete against rival women and feminine males for the romantic/sexual attention of men. In Canada, where male bisexual behaviour is uncommon, inter-sexual mate competition is rare and inconsequential. Evolutionary models of mating systems and dynamics can be improved by recognizing when and why inter-sexual mate competition occurs."]},{"key":"dc:title","label":"Title","values":["Inter-sexual mate competition: A previously unrecognized factor in the evolution of human mating"]}]}],"canonical_facts":{"dc:date.issued":["2020"],"dc:description.other":["Inter-sexual mate competition occurs any time opposite-sex individuals engage in romantic/sexual competition over the same target. The existence of bisexual behaviour among humans suggests the possibility of inter-sexual mate competition, but it has never been systematically documented. I address this absence with research in three cultures: Canada, Samoa, and the Istmo Zapotec (Southern Mexico). A mixed-method qualitative design was used to document the presence and characteristics of inter-sexual mate competition, and survey and experimental designs were used to understand its potential consequences. Inter-sexual mate competition is both prevalent and consequential in Samoa and the Istmo Zapotec, where women compete against rival women and feminine males for the romantic/sexual attention of men. In Canada, where male bisexual behaviour is uncommon, inter-sexual mate competition is rare and inconsequential. Evolutionary models of mating systems and dynamics can be improved by recognizing when and why inter-sexual mate competition occurs."],"dc:identifier":["hdl:10133/5807"],"dc:subject":["Bisexuality","Femininity","Gender expression","Intersexuality","Sex customs","Sex preselection","Dissertations, Academic"],"dc:title":["Inter-sexual mate competition: A previously unrecognized factor in the evolution of human mating"],"dc:type":["Thesis"]},"updated_at":"2026-07-27T20:02:47Z"}