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The phenomenon of widespread genetic ancestry testing has raised questions about its social impact, particularly on issues of race. Some accounts suggest testing can promote bridging social capital – connections between racial groups. In this multi-method paper, we ask whether (1) taking genetic ancestry tests (GATs) and (2) receiving results of African, Asian, or Native American ancestry increases network racial diversity for White Americans. We use a randomized controlled trial of 802 White, non-Hispanic Americans, half of whom received GATs. Unexpected findings show that test-takers' network racial diversity decreases after testing. Using 58 follow-up interviews, we develop and test a possible theory, finding initial evidence that test-takers' network racial diversity declines because they reconsider their racial appraisals of others in their networks. [ABSTRACT FROM AUTHOR]

Demonstrating how race is socially constructed has been a core sociological objective, yet many individuals continue to hold essentialist and other concepts of what races are and how to account for group differences. These conceptualizations have crucial consequences for intergroup attitudes, support for social policies, and structures of inequality, all of which are key sociological concerns; yet much of the research in this area has emerged outside of sociology. Our review of this interdisciplinary scholarship describes the range of views people hold, the attitudes and behaviors associated with them, and what factors contribute to these views. We focus primarily on essentialism and constructivism, although we describe the greater variety of beliefs beyond this dichotomy, as well as fluidity in how people use these concepts. We conclude by presenting research on strategies for reducing essentialist belief systems and identifying key areas for future research. [ABSTRACT FROM AUTHOR]

A core sociological claim is that race is a social construction; an important illustration of this is how racial classifications are influenced by people's socioeconomic status. In both Latin America and the United States, someone with higher SES is more likely to be classified as White than others of similar appearance, a pattern epitomized by the expression "money whitens." However, recent studies of the effect of SES on racial classifications show inconsistent results, sometimes depending on the measures used. We develop a broad theorization of societies as having multiple racialized hierarchies with different socioeconomic escalators potentially bringing people to higher-status locations in each one. Yet racialized hierarchies differ across societies, and some non-White classifications may reflect a process of upward movement while others may not. We assess this process in Mexico using the 2019 Project on Ethnic-Racial Discrimination in Mexico, a nationally-representative survey including highly accurate digital skin-color ratings, perceived skin-color assessments, and ethnoracial classifications by respondents and interviewers. We find that having higher education increases respondents' self-classification as Mestizo. Yet those with greater wealth are "whitened" by interviewers. Simultaneously, respondents and interviewers "lighten" respondents with greater wealth. We argue that SES can differentially affect mobility in different racialized hierarchies, showing how race is constructed partly by other social constructs like class. [ABSTRACT FROM AUTHOR]

The genomic revolution is highly relevant to scholarship on racial conceptualization. As genomic research has increasingly focused on small amounts of variation between ancestral groups, it may promote beliefs in racial essentialism. Genetic ancestry tests (GATs) are one of the primary ways the consequences of the genomic revolution are communicated to laypersons, necessitating a better understanding of how test-takers conceptualize race. We analyse 108 in-depth interviews with U.S. and Canadian test-takers to examine how they conceptualize the relationship between race and genes and how they believe GATs influenced their race concepts. We present a typology of racial conceptualization that moves beyond a dichotomy and toward a continuum between social constructivism and genetic essentialism. We also find that test-takers believe GATs reinforce their pre-existing race concepts, regardless of what those were. Our results support an emerging view that people selectively interpret genetic information to confirm rather than transform their race concepts. [ABSTRACT FROM AUTHOR]