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Author: Tucker-Drob, Elliot M.

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1.	Cheung, Amanda K. Harden, K. Paige Tucker-Drob, Elliot M.
1.	Gene x Environment Interactions in Early Externalizing Behaviors: Parental Emotional Support and Socioeconomic Context as Moderators of Genetic Influences? Behavior Genetics 44,5 (September 2014): 468-486. Also: http://www.ncbi.nlm.nih.gov/pubmed/24980660 Cohort(s): Children of the NLSY79, NLSY79 Publisher: Behavior Genetics Association Keyword(s): Behavior Problems Index (BPI); Behavior, Antisocial; Children, Behavioral Development; Early Childhood Longitudinal Study (ECLS-B, ECLS-K); Family Income; Genetics; Home Observation for Measurement of Environment (HOME); Parental Influences; Siblings; Socioeconomic Status (SES) Permission to reprint the abstract has not been received from the publisher. This study uses longitudinal population-based samples of young siblings to examine the effects of two hypothesized moderators of early externalizing behaviors: parental emotional support and family socioeconomic status. The first sample, a twin sample from the Early Childhood Longitudinal Study-Birth Cohort (ECLS-B), was composed of approximately 600 twin pairs measured on externalizing at ages 4 and 5. Results indicated stronger genetic influences on externalizing at lower levels of parental emotional support but higher levels of socioeconomic status; only the latter interaction remained significant when the two moderators were simultaneously modeled. These moderation effects were not replicated in our analyses of the National Longitudinal Survey of Youth-Child Supplement (CNLSY) data, which contained 1939 pairs of full and half siblings measured on externalizing at ages 4-5 and ages 6-7. Our results highlight the need for replication in quantitative behavior genetics research on externalizing behaviors. Potential causes for non-replication are discussed.
	Bibliography Citation Cheung, Amanda K., K. Paige Harden and Elliot M. Tucker-Drob. "Gene x Environment Interactions in Early Externalizing Behaviors: Parental Emotional Support and Socioeconomic Context as Moderators of Genetic Influences?" Behavior Genetics 44,5 (September 2014): 468-486.

2.	Harden, K. Paige Quinn, Patrick D. Tucker-Drob, Elliot M.
2.	Genetically Influenced Change in Sensation Seeking Drives the Rise of Delinquent Behavior during Adolescence Developmental Science 15,1 (January 2012): 150-163. Also: http://onlinelibrary.wiley.com/doi/10.1111/j.1467-7687.2011.01115.x/abstract Cohort(s): Children of the NLSY79, NLSY79, NLSY79 Young Adult Publisher: Blackwell Publishing, Inc. => Wiley Online Keyword(s): Child Self-Administered Supplement (CSAS); Delinquency/Gang Activity; Genetics; Kinship; Modeling, Growth Curve/Latent Trajectory Analysis; Risk-Taking; Siblings Sensation seeking is associated with an increased propensity for delinquency, and emerging research on personality change suggests that mean levels of sensation seeking increase substantially from childhood to adolescence. The current study tested whether individual differences in the rate of change of sensation seeking predicted within-person change in delinquent behavior and whether genetically influenced differences in rate of personality change accounted for this association. Sensation seeking and delinquent behavior were assessed biennially between ages 10–11 and 16–17 in a nationally representative sample of 7675 youths from the National Longitudinal Study of Youth: Children and Young Adults (CNLSY). Analyses using latent growth curve modeling found that within-person change in sensation seeking was significantly and positively correlated with within-person change in delinquency from childhood to adolescence. Furthermore, behavioral genetic analyses of a subset of 2562 sibling pairs indicated that there were substantial genetic influences on both initial levels of sensation seeking and change in sensation seeking during early adolescence, with over 80% of individual differences in change due to genetic factors. Finally, these genetically driven increases in sensation seeking were most important for predicting increases in delinquency, whereas environmental paths between sensation seeking and delinquency were not significant. These results suggest that developmental changes in delinquent behaviors during adolescence are driven by a genetically governed process of personality change.
	Bibliography Citation Harden, K. Paige, Patrick D. Quinn and Elliot M. Tucker-Drob. "Genetically Influenced Change in Sensation Seeking Drives the Rise of Delinquent Behavior during Adolescence." Developmental Science 15,1 (January 2012): 150-163.

3.	Harden, K. Paige Tucker-Drob, Elliot M.
3.	Individual Differences in the Development of Sensation Seeking and Impulsivity during Adolescence: Further Evidence for a Dual Systems Model Developmental Psychology 47,3 (May 2011): 739-746. Also: http://psycnet.apa.org/journals/dev/47/3/739/ Cohort(s): Children of the NLSY79, NLSY79, NLSY79 Young Adult Publisher: American Psychological Association (APA) Keyword(s): Child Self-Administered Supplement (CSAS); Delinquency/Gang Activity; Genetics; Modeling, Growth Curve/Latent Trajectory Analysis; Risk-Taking; Scale Construction; Siblings Consistent with social neuroscience perspectives on adolescent development, previous cross-sectional research has found diverging mean age-related trends for sensation seeking and impulsivity during adolescence. The present study uses longitudinal data on 7,640 youth from the National Longitudinal Study of Youth Children and Young Adults, a nationally representative sample assessed biennially from 1994 to 2006. Latent growth curve models were used to investigate mean age-related changes in self-reports of impulsivity and sensation seeking from ages 12 to 24 years, as well individual differences in these changes. Three novel findings are reported. First, impulsivity and sensation seeking showed diverging patterns of longitudinal change at the population level. Second, there was substantial person-to-person variation in the magnitudes of developmental change in both impulsivity and sensation seeking, with some teenagers showing rapid changes as they matured and others maintaining relatively constant levels with age. Finally, the correlation between age-related changes in impulsivity and sensation seeking was modest and not significant. Together, these results constitute the first support for the dual systems model of adolescent development to derive from longitudinal behavioral data. © 2011 APA, all rights reserved.
	Bibliography Citation Harden, K. Paige and Elliot M. Tucker-Drob. "Individual Differences in the Development of Sensation Seeking and Impulsivity during Adolescence: Further Evidence for a Dual Systems Model." Developmental Psychology 47,3 (May 2011): 739-746.

4.	Mann, Frank D. Paul, Sara L. Tackett, Jennifer L. Tucker-Drob, Elliot M. Harden, K. Paige
4.	Personality Risk for Antisocial Behavior: Testing the Intersections Between Callous-Unemotional Traits, Sensation Seeking, and Impulse Control in Adolescence Development and Psychopathology 30,1 (2018): 267-282. Also: https://www.cambridge.org/core/journals/development-and-psychopathology/article/personality-risk-for-antisocial-behavior-testing-the-intersections-between-callousunemotional-traits-sensation-seeking-and-impulse-control-in-adolescence/9CCFB782433FA9F8948CA09BDA90466A Cohort(s): Children of the NLSY79, NLSY79 Young Adult Publisher: Cambridge University Press Keyword(s): Behavior, Antisocial; Personality/Big Five Factor Model or Traits; Self-Control/Self-Regulation Permission to reprint the abstract has not been received from the publisher. The current project seeks to integrate literatures on personality risk for antisocial behavior (ASB) by examining how callous-unemotional traits relate to (a) the development of disinhibited traits and (b) the association between disinhibited traits and ASB. In Study 1, using a nationally representative sample of youth (N > 7,000), we examined whether conduct problems and lack of guilt assessed during ages 4-10 years predicted levels of and changes in disinhibited traits over the course of adolescence, and moderated associations between these traits and ASB. High levels of childhood conduct problems were associated with higher levels of impulsivity, sensation seeking, and ASB in early adolescence, whereas lack of guilt was associated with lower levels of sensation seeking. Neither conduct problems nor lack of guilt significantly predicted changes in impulsivity or sensation seeking, and associations among changes in sensation seeking, impulsivity, and ASB were also consistent across levels of conduct problems and lack of guilt. In Study 2, using a cross-sectional sample of adolescents (N = 970), we tested whether callous-unemotional traits moderated associations between disinhibited traits and ASB. Consistent with the results of Study 1, associations between disinhibited personality and ASB were consistent across a continuous range of callous-unemotional traits.
	Bibliography Citation Mann, Frank D., Sara L. Paul, Jennifer L. Tackett, Elliot M. Tucker-Drob and K. Paige Harden. "Personality Risk for Antisocial Behavior: Testing the Intersections Between Callous-Unemotional Traits, Sensation Seeking, and Impulse Control in Adolescence." Development and Psychopathology 30,1 (2018): 267-282.

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