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Pettit, Gregory S.; Erath, Stephen A.; Lansford, Jennifer E.; Dodge, Kenneth A.; Bates, John E. – International Journal of Behavioral Development, 2011
The predictive relations between social capital depth (high-quality relationships across contexts) and breadth (friendship network extensivity) and early-adult life adjustment outcomes were examined using data from a prospective longitudinal study. Interviews at age 22 yielded (a) psychometrically sound indexes of relationship quality with…
Descriptors: Educational Attainment, Social Capital, Adjustment (to Environment), Longitudinal Studies
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Kim, Sangwon; Kamphaus, Randy W.; Orpinas, Pamela; Kelder, Steve H. – School Psychology International, 2010
This study examined how the manifestation of overt aggression changes during early adolescence using Hierarchical Linear Modeling. The distinct courses of physical and verbal aggression identified in this study provide support for developmental transformations in overt aggression, which would have been obscured unless aggression had been defined…
Descriptors: Ethnicity, Aggression, Early Adolescents, Gender Differences
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DiStefano, Christine; Kamphaus, R. W. – Research in the Schools, 2008
The current study investigated child behavioral change during the early years of elementary school. Behavioral Assessment System for Children (BASC; Reynolds & Kamphaus, 1992) teacher ratings of child behavior were collected over a three-year period. The sample consisted of 162 children measured yearly between first and third grade.…
Descriptors: Child Behavior, Behavior Change, Elementary School Students, Behavior Problems
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Heckhausen, Jutta – Developmental Psychology, 1987
Adopts a longitudinal design to track mother-child developmental change in infant task-related mastery and concomitant maternal behavior. Finds that, as infants gain more mastery across time, mothers gradually withdraw support in terms of concrete, specific and nonverbal means of instruction. Results support a one-step-ahead model for maternal…
Descriptors: Behavior Change, Behavior Development, Developmental Stages, Infant Behavior
Rogers, Sally J.; And Others – 1991
Three studies examined proximity and contact behaviors (behaviors generally thought to be indicative of attachment relationships) in young autistic children. The first study examined the behavior of 32 young autistic children and children with pervasive developmental disorders (PDD) in a "strange situation" paradigm using four…
Descriptors: Attachment Behavior, Behavior Change, Behavior Development, Child Development
Cairns, Robert B.; Cairns, Beverly D. – 1989
Changes from the expected life course can arise from at least three different reasons in longitudinal work: developmental novelty, errors in diagnosis, and errors in expectation. This longitudinal study examined the social development of 220 fourth graders and 475 seventh graders over a period of 10 years with over 98 percent of the original…
Descriptors: Adolescents, Aggression, Behavior Change, Behavior Development