“…A recurring theme across this review is that romantic relationships can foster people's endorsement or rejection of sexism. However, an unresolved proposition of ambivalent sexism theory and our research is that formative experiences within heterosexual romantic relationships should be similarly formative for the development of sexist attitudes (Glick & Hilt, ; Hammond, Milojev, Huang, & Sibley, ). Evidence for this proposition is inconsistent: prior research has found that adolescent boys' experience with romantic relationships is associated with greater benevolent sexism (Montañés, Megías, de Lemus, & Moya, ), or greater hostile sexism (de Lemus, Moya, & Glick, ; Viejo, Ortega‐Ruiz, & Sánchez, ), or neither (Mastari, Spruyt, & Siongers, ; for a review, see Ramiro‐Sánchez, Ramiro, Bermúdez, & Buela‐Casal, ).…”