Stathi, Sofia ORCID: https://orcid.org/0000-0002-1218-5239, Fortune, Vanessa ORCID: https://orcid.org/0000-0001-6983-5979 and Smith, Rebecca ORCID: https://orcid.org/0000-0002-6459-0084 (2026) Black Lives Matter or All Lives Matter? Exploring the role of intergroup contact valence and intergroup threat in supporting the two movements. The Journal of Social Psychology. ISSN 0022-4545 (Print), 1940-1183 (Online) (In Press)