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Study 1 ( N = 216) examined if adolescents\u2019 social contagion concerns (i.e., fear of being misclassified as gay\/lesbian) relate to decreased behavioral intentions to help victims of bullying, by increasing negative attitudes towards lesbians and gay men. Study 2 ( N = 230) further explored if inclusive identity representations (i.e., one-group or dual-identity) were related to decreased concerns of social contagion, thereby increasing adolescents\u2019 assertive behavioral intentions. Results (partially) confirmed both expected mediations: social contagion concerns were associated with decreased assertive behavioral intentions via increased negative attitudes towards lesbians and gay men (Study 1); one-group representations, but not dual-identity representations, were associated with more assertive behavioral intentions via decreased social contagion concerns (Study 2). These findings extended previous studies illustrating the underlying mechanisms through which social contagion concerns and common identity affect assertive bystanders\u2019 behavioral intentions. <\/jats:p>","DOI":"10.1177\/1368430218782741","type":"journal-article","created":{"date-parts":[[2018,8,1]],"date-time":"2018-08-01T13:03:52Z","timestamp":1533128632000},"page":"127-139","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":18,"title":["Stay away or stay together? 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