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In this article, we operationalize identification of mixed racial and ethnic ancestry among adolescents as a latent variable to (a) account for measurement uncertainty, and (b) compare alternative wording formats for racial and ethnic self-categorization in surveys. Two latent variable models were fit to multiple mixed-ancestry indicator data from 1,738 adolescents in New England. The first, a mixture factor model, accounts for the zero-inflated mixture distribution underlying mixed-ancestry identification. Alternatively, a latent class model allows classification distinction between relatively ambiguous versus unambiguous mixed-ancestry responses. Comparison of individual indicators reveals that the Census 2000 survey version estimates higher prevalence of mixed ancestry but is less sensitive to relative certainty of identification than are alternate survey versions (i.e., offering a “mixed” check box option, allowing a written response). Ease of coding and missing data are also considered in discussing the relative merit of individual mixed-ancestry indicators among adolescents. [ABSTRACT FROM AUTHOR]

Little is known about the effects of social media initiation on digital behaviors from middle childhood to early adolescence, a critical developmental period marked by peer influence and inaugural access to mobile devices. Participants from middle schools in the Northeast U.S. (N = 773; 11–15 years, Mean = 12.6) completed a cross-sectional survey about social media initiation, digital behaviors, and parental restrictions on digital use. Descriptive results demonstrated that overall early adolescents more frequently engaged in positive digital behaviors compared to negative ones. Results from structural equation models showed that initiating social media platforms, namely Instagram or Snapchat, in later childhood (10 years or younger) was significantly associated with problematic digital behavior outcomes compared to either tween (11–12) and/or teen (13+) initiation, including having online friends or joining social media sites parents would disapprove of, more problematic digital technology behaviors, more unsympathetic online behaviors, and greater likelihood of online harassment and sexual harassment victimization. Additionally, there is evidence to show that childhood initiators demonstrated a greater tendency to engage in supportive or civically-engaged online community behaviors compared to older initiator counterparts. Parental restriction of mobile phone use and a less frequent checking of social media ameliorated some of the negative effects. • Early adolescents more frequently engage in positive digital behaviors compared to negative ones. • Using Instagram or Snapchat before age 11 is related to more problematic digital behaviors. • Youngest social media initiators are more likely to engage in supportive online behaviors. • Limiting access to social media lessened some negative effects of early social media use. [ABSTRACT FROM AUTHOR]

This mixed-methods exploratory study examined the diverse content and situated context of White adolescents’ racial-ethnic identities. The sample consisted of 781 9th–12th grade White adolescents from three New England schools, which varied in racial and economic make-up. Open-ended responses provided a range of thematic categories regarding the importance of race-ethnicity to the adolescents’ identities, representing the diverse ideologies of White adolescents’ explanations, ranging from colorblind claims to ethnic pride. This study also found significant relationships between racial-ethnic identity importance (centrality) and parents’ education for White adolescents. These findings highlight the diversity of White adolescents’ understanding of their racial-ethnic identities and the importance of context in shaping racial-ethnic centrality. [ABSTRACT FROM AUTHOR]