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Guan, Karen; Fox, Kathryn R.; Prinstein, Mitchell J. – Journal of Consulting and Clinical Psychology, 2012
Objective: Longitudinal data on adolescent self-injury are rare. Little is known regarding the associations between various forms of self-injurious thoughts and behaviors over time, particularly within community samples that are most relevant for prevention efforts. This study examined nonsuicidal self-injury (NSSI) as a time-invariant,…
Descriptors: Prevention, Injuries, Risk, Depression (Psychology)
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Prinstein, Mitchell J.; Heilbron, Nicole; Guerry, John D.; Franklin, Joseph C.; Rancourt, Diana; Simon, Valerie; Spirito, Anthony – Journal of Abnormal Child Psychology, 2010
Research suggests that adolescents' engagement in nonsuicidal self-injurious (NSSI) behaviors may be increasing over time, yet little is known regarding distal longitudinal factors that may promote engagement in these behaviors. Data from two longitudinal studies are presented to examine whether NSSI may be associated with peer influence…
Descriptors: Socialization, Self Destructive Behavior, Adolescents, Longitudinal Studies
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Guerry, John D.; Prinstein, Mitchell J. – Journal of Clinical Child and Adolescent Psychology, 2010
Virtually no longitudinal research has examined psychological characteristics or events that may lead to adolescent nonsuicidal self-injury (NSSI). This study tested a cognitive vulnerability-stress model as a predictor of NSSI trajectories. Clinically-referred adolescents (n = 143; 72% girls) completed measures of NSSI, depression, attributional…
Descriptors: Psychological Characteristics, Injuries, Depression (Psychology), Self Destructive Behavior
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Heilbron, Nicole; Prinstein, Mitchell J. – Merrill-Palmer Quarterly: Journal of Developmental Psychology, 2010
This study examined concurrent and longitudinal associations among peer victimization, peer status, and self-injurious thoughts and behaviors (i.e., suicidal ideation and nonsuicidal self-injury [NSSI]) over a 2-year period. A community sample of 493 adolescents (51% girls) in Grades 6-8 participated in the study. Participants completed measures…
Descriptors: Females, Injuries, Suicide, Peer Relationship
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Prinstein, Mitchell J.; Nock, Matthew K.; Simon, Valerie; Aikins, Julie Wargo; Cheah, Charissa S. L.; Spirito, Anthony – Journal of Consulting and Clinical Psychology, 2008
Remarkably little is known regarding the temporal course of adolescent suicidal ideation and behavior, the prediction of suicidal attempts from changes in suicidal ideation, or the prediction of suicidal attempts after accounting for suicidal ideation as a predictor. A sample of 143 adolescents 12-15 years old was assessed during psychiatric…
Descriptors: Adolescents, Predictor Variables, Psychological Patterns, Hospitals
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Hilt, Lori M.; Nock, Matthew K.; Lloyd-Richardson, Elizabeth E.; Prinstein, Mitchell J. – Journal of Early Adolescence, 2008
This study examined rates, correlates and an interpersonal model of nonsuicidal self-injury (NSSI) among a sample of 508 sixth, seventh, and eighth graders. Questionnaires assessing NSSI, related health-risk behaviors, and relationships with parents were administered two times over an 11-month period. Overall, 7.5% reported engaging in NSSI within…
Descriptors: Children, Longitudinal Studies, Self Destructive Behavior, Early Adolescents
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Nock, Matthew K.; Prinstein, Mitchell J. – Journal of Consulting and Clinical Psychology, 2004
This study applied a functional approach to the assessment of self-mutilative behavior (SMB) among adolescent psychiatric inpatients. On the basis of past conceptualizations of different forms of self-injurious behavior, the authors hypothesized that SMB is performed because of the automatically reinforcing (i.e., reinforced by oneself; e.g.,…
Descriptors: Patients, Adolescents, Social Reinforcement, Self Destructive Behavior