Publications by authors named "Jill V Hamm"

Integration into formal and informal peer groups is a key developmental task during early adolescence. As youth begin to place greater value on attaining acceptance and popularity among peers, social status among one's peer group becomes an important marker of social functioning during this developmental period. Whereas much empirical research has been devoted to understanding heterogeneity among youth holding high status positions, similar distinctions have largely not been examined among socially marginalized youth.

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Patterns of adjustment for youth victimized by peers vary depending on whether youth are identified as victims through self-reports, peer-reports, or both. In order to provide more targeted strategies that may help mitigate negative consequences associated with specific victimization groups, more information is needed about how these youth perceive their school ecology (bullying and academic ecology), their feelings of school belonging, and their valuing of school. Based on the convergence of self- and peer-reports of victimization, we identified four victim groups from a sample of students in 5th grade classrooms (N = 1360; 52.

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The present study examined the effects of teacher attunement to victimization on student perceptions of the bullying culture of their schools as a means of fostering a sense of belonging among early adolescents. Participants ( = 1,264) in sixth grade reported on the frequency that they had been bullied, and teachers were asked to report students who were "picked on." Teacher attunement represented the correspondence between self-identified and teacher-identified victims.

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This study examined the associations between teacher attunement to aggressive students and students' characteristics in a sample (n = 278) of youth in 5th-grade classrooms with the assumption that certain student characteristics may either prime or hinder teachers' attunement to aggressive students. Teacher attunement was measured as the agreement between teacher- and peer-nominations for students who start fights. Teachers rated their students on the following characteristics: academic competence, affiliation, popularity, internalizing behavior, and Olympian qualities.

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This study investigated the social network system of African American early adolescents (N = 237) in rural, low-wealth schools, specifically in terms of networks with norms strongly favoring effort and achievement. Networks with norms favoring effort and achievement were more likely to be central to the social system at the end of the school year. Subsequent analyses focused on boys (n = 103) and the effects of affiliation in networks with norms that strongly favored effort and achievement.

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Peer cultures of effort and achievement influence early adolescents' academic adjustment. A randomized controlled trials design was used to test the extent to which aspects of peer cultures of effort and achievement were enhanced following teachers' participation in the Supporting Early Adolescents' Learning and Social Success (SEALS) intervention. Observational and survey data from teachers (N = 188) and survey data from 6th-graders (N = 2,453) in 36 rural schools across the United States were analyzed.

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The transition to middle school is considered to be a heightened period for involvement in bullying because the lack of a defined dominance hierarchy is thought to promote jockeying for social positions among students. Accordingly, this study examined bullying in peer ecologies at the beginning of the middle grade years in rural schools that did and did not have a transition to middle school. Thirty-six schools (20 with transitions, 16 without transitions) participated in this research with a sample of 1,800 participants (52% female) who were in sixth grade during the second year of data collection.

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Because ethnicity is a basis for defining peer crowds in ethnically diverse American high schools, some may question whether crowds foster discrimination and stereotyping or affirm minority youths' positive ties to their ethnic background. Through examination of both self- and peer ratings of crowd affiliation among 2,465 high school youth aged 14-19 years, this study assesses the likelihood that African American, Asian American, Latino, and multiethnic adolescents are associated with ethnically defined crowds. Crowd affiliations are related to friendship patterns among all groups, positive features of ethnic orientation for Asian and Latino youth, but also some aspects of stereotyping and discrimination for Latinos.

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