{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,7]],"date-time":"2026-07-07T13:41:58Z","timestamp":1783431718476,"version":"3.54.6"},"reference-count":41,"publisher":"SAGE Publications","issue":"5","license":[{"start":{"date-parts":[[2018,2,14]],"date-time":"2018-02-14T00:00:00Z","timestamp":1518566400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"funder":[{"DOI":"10.13039\/100000027","name":"National Institute on Alcohol Abuse and Alcoholism","doi-asserted-by":"publisher","award":["R21AA023322"],"award-info":[{"award-number":["R21AA023322"]}],"id":[{"id":"10.13039\/100000027","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000071","name":"National Institute of Child Health and Human Development","doi-asserted-by":"publisher","award":["R24HD042849"],"award-info":[{"award-number":["R24HD042849"]}],"id":[{"id":"10.13039\/100000071","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Psychol Sci"],"published-print":{"date-parts":[[2018,5]]},"abstract":"<jats:p>Although testosterone is associated with aggression in the popular imagination, previous research on the links between testosterone and human aggression has been inconsistent. This inconsistency might be because testosterone\u2019s effects on aggression depend on other moderators. In a large adolescent sample ( N = 984, of whom 460 provided hair samples), we examined associations between aggression and salivary testosterone, hair testosterone, and hair cortisol. Callous-unemotional traits, parental monitoring, and peer environment were examined as potential moderators of hormone-behavior associations. Salivary testosterone was not associated with aggression. Hair testosterone significantly predicted increased aggression, particularly at low levels of hair cortisol (i.e., Testosterone \u00d7 Cortisol interaction). This study is the first to examine the relationship between hair hormones and externalizing behaviors and adds to the growing literature that indicates that androgenic effects on human behavior are contingent on aspects of the broader endocrine environment\u2014in particular, levels of cortisol.<\/jats:p>","DOI":"10.1177\/0956797617742981","type":"journal-article","created":{"date-parts":[[2018,2,14]],"date-time":"2018-02-14T12:44:20Z","timestamp":1518612260000},"page":"688-699","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":62,"title":["Hair and Salivary Testosterone, Hair Cortisol, and Externalizing Behaviors in Adolescents"],"prefix":"10.1177","volume":"29","author":[{"given":"Andrew D.","family":"Grotzinger","sequence":"first","affiliation":[{"name":"Department of Psychology, University of Texas at Austin"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Frank D.","family":"Mann","sequence":"additional","affiliation":[{"name":"Department of Psychology, University of Texas at Austin"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Megan W.","family":"Patterson","sequence":"additional","affiliation":[{"name":"Department of Psychology, University of Texas at Austin"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jennifer L.","family":"Tackett","sequence":"additional","affiliation":[{"name":"Department of Psychology, Northwestern University"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Elliot M.","family":"Tucker-Drob","sequence":"additional","affiliation":[{"name":"Department of Psychology, University of Texas at Austin"},{"name":"Population Research Center, University of Texas at Austin"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"K. 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