Developmental moderators of a single-session incremental theory of personality intervention on aggressive behavior

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dc.contributor.authorCalvete Zumalde, Esther
dc.contributor.authorFernández González, Liria
dc.contributor.authorEchezarraga Porto, Ainara
dc.contributor.authorOrue Sola, Izaskun
dc.contributor.authorMuga, Javier
dc.contributor.authorLonga, Mikel
dc.date.accessioned2026-06-10T06:21:03Z
dc.date.available2026-06-10T06:21:03Z
dc.date.issued2022-05
dc.date.updated2026-06-10T06:21:03Z
dc.description.abstractThis study examines two indicators of developmental level (testosterone and grade) as moderators of the effects of a single-session incremental theory of personality intervention on both traditional and online aggressive behaviors. A sample of 535 Spanish adolescents (boys: 50%; age: 12–17 years) participated in a double-blind, randomized controlled trial. Participants were randomized to receive the incremental theory of personality intervention or an alternative educational control condition. The intervention consisted of teaching the belief that people can change. Aggressive behaviors were measured at baseline, one-week posttest, and six-month and twelve-month follow-ups. Testosterone level moderated the effectiveness of the intervention for online aggressive behavior so that, among adolescents with low and medium testosterone levels, those in the control group increased online aggressive behavior, whereas adolescents receiving the intervention remained at similar levels of perpetration. Grade moderated the effectiveness of the intervention on both forms of aggressive behavior, being only effective in Grade 8. Overall, the findings indicate that some preventative interventions can be more effective among adolescents with lower levels of development.en
dc.identifier.citationCalvete, E., Fernández-González, L., Echezarraga, A., Orue, I., Muga, J., & Longa, M. (2022). Developmental moderators of a single-session incremental theory of personality intervention on aggressive behavior. Journal of Interpersonal Violence, 37(9-10), NP7528-NP7553. https://doi.org/10.1177/0886260520969234
dc.identifier.doi10.1177/0886260520969234
dc.identifier.eissn1552-6518
dc.identifier.issn0886-2605
dc.identifier.urihttps://hdl.handle.net/20.500.14454/6177
dc.language.isoeng
dc.publisherSAGE Publications Inc.
dc.rights© 2020 SAGE Publications
dc.subject.otherAggressive behavior
dc.subject.otherGrade
dc.subject.otherIncremental theory of personality intervention
dc.subject.otherOnline aggressions
dc.subject.otherTestosterone
dc.titleDevelopmental moderators of a single-session incremental theory of personality intervention on aggressive behavioren
dc.typejournal article
dcterms.accessRightsmetadata only access
oaire.citation.endPageNP7553
oaire.citation.issue9-10
oaire.citation.startPageNP7528
oaire.citation.titleJournal of Interpersonal Violence
oaire.citation.volume37
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