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ERIC Number: EJ1056706
Record Type: Journal
Publication Date: 2015-Apr
Pages: 8
Abstractor: As Provided
Reference Count: 33
ISBN: N/A
ISSN: ISSN-0012-1649
Co-Rumination Cultivates Anxiety: A Genetically Informed Study of Friend Influence during Early Adolescence
Dirghangi, Shrija; Kahn, Gilly; Laursen, Brett; Brendgen, Mara; Vitaro, Frank; Dionne, Ginette; Boivin, Michel
Developmental Psychology, v51 n4 p564-571 Apr 2015
This study tested 2 related hypotheses. The first holds that high co-rumination anticipates heightened internalizing problems. The second holds that positive relationships with friends exacerbate the risk for internalizing problems arising from co-rumination. A sample of MZ twins followed from birth (194 girls and 170 boys) completed (a) self-reports of friendship support, friendship negativity, and co-rumination with friends at age 12 and (b) measures of anxiety and depression at ages 12 and 13. Using a monozygotic twins-difference design, within-pair differences in co-rumination predicted increased within-pair differences in anxiety (but not depression), after removing the covariance between co-rumination and perceptions of friendship. In other words, the difference in co-rumination within each monozygotic twin pair predicted an increase in the difference in their anxiety levels, but not the difference in their depression levels. The discussion focuses on nonshared environmental influences, because the monozygotic twin-difference design eliminates the possibility that associations were driven by heritability or by shared environmental factors that underlie friendship experiences and internalizing problems.
American Psychological Association. Journals Department, 750 First Street NE, Washington, DC 20002. Tel: 800-374-2721; Tel: 202-336-5510; Fax: 202-336-5502; e-mail: order@apa.org; Web site: http://www.apa.org
Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) (NIH); National Science Foundation
Authoring Institution: N/A
Identifiers - Location: Canada
Identifiers - Assessments and Surveys: Childrens Depression Inventory; Childrens Manifest Anxiety Scale
Grant or Contract Numbers: HD068421|0909733