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This study examined growth trajectories of texting (and other media) over a 6-year time period. Participants were 425 adolescents from Washington, USA (age 13 at Time 1, age 18 at Time 6; 48% male, 68% European American). Analyses suggested a curvilinear pattern for texting and social media use, with rates peaking during midadolescence. There was also considerable heterogeneity in trajectories of texting. A growth mixture model revealed four distinct classes of individuals: perpetuals (14%), decreasers (7%), moderates (68%), and increasers (11%). Higher levels of depression, being a male, and coming from a single-parent family predicted being a "perpetual" texter. Perpetuals had the most problematic outcomes compared to other classes, including higher depression, anxiety, aggression, and poor relationships with fathers.

Mothering can be particularly demanding for single women who are more vulnerable to a variety of risks ranging from economic hardship to poor psychological functioning. These risks place their children at higher risk of experiencing maladjustment. Examining factors that contribute to the well-being of single mothers and, in turn, their parenting may be one of the most effective ways of contributing to children's adjustment. This article highlights two factors, perceived social support and specific internal resources, that (a) substantially contribute to single mothers’ well-being, (b) are linked to positive parenting behaviors, and (c) are amenable to change. The authors highlight the current research in these focus areas and explore how these two particular risk modifiers have potential to be changed via behavioral interventions.

Children raised without a biological father in the household have earlier average ages of first sexual intercourse than children raised in father-present households. Competing theoretical perspectives have attributed this either to effects of father absence on socialization and physical maturation or to nonrandom selection of children predisposed for early sexual intercourse into father-absent households. Genetically informative analyses of the children of sister dyads (N = 1,382, aged 14-21 years) support the selection hypothesis: This association seems attributable to confounded risks, most likely genetic in origin, which correlated both with likelihood of father absence and early sexual behavior. This holds implications for environmental theories of maturation and suggests that previous research may have inadvertently overestimated the role of family structure in reproductive maturation.

This article uses longitudinal data from approximately 2,000 low-income families participating in the national evaluation of the Comprehensive Child Development Program to examine the associations between preschool children's living arrangements and their cognitive achievement and emotional adjustment. The analysis distinguishes families in which children live only with their mothers from children who live in biological father, blended, and multigenerational households. Linkages are examined separately for White, Black, and Latino children. Fixed effects regression techniques reveal few significant associations between living arrangements and child development. These findings suggest that substantial diversity exists in the developmental contexts among children living in the same family structure. Policies seeking to change the living arrangements of low-income children may do little to improve child well-being.

The salutary effects of being raised by two married, biological parents depend on the quality of care parents can provide. Using data from an epidemiological sample of 1,116 5-year-old twin pairs and their parents, this study found that the less time fathers lived with their children, the more conduct problems their children had, but only if the fathers engaged in low levels of antisocial behavior. In contrast, when fathers engaged in high levels of antisocial behavior, the more time they lived with their children, the more conduct problems their children had. Behavioral genetic analyses showed that children who resided with antisocial fathers received a "double whammy" of genetic and environmental risk for conduct problems. Marriage may not be the answer to the problems faced by some children living in single-parent families unless their fathers can become reliable sources of emotional and economic support.

This study investigated conditions under which family structure matters most for child well-being. Using data from the Children of the National Longitudinal Survey of Youth (n = 3,936), a national sample of U.S. families, it was estimated how changes in family structure related to changes in children's behavior between age 3 and 12 separately by household income level to determine whether associations depended on families' resources. Early changes in family structure, particularly from a two-biological-parent to single-parent family, predicted increases in behavior problems more than later changes, and movements into single and stepparent families mattered more for children of higher versus lower income parents. Results suggest that for children of higher income parents, moving into a stepfamily may improve, not undermine, behavior.

This study tested the equivalence of a theoretical model of parenting behaviors linking financial strain to adolescents' achievement for African American and European American families and for single- and two-parent families. The sample included an economic cross-section of African American (n = 387) and European American families (n = 230) from single- (n = 171) and two-parent (n = 446) homes. Multi-group analyses revealed no significant differences in the structural equation models between the African American and European American families, or between the single- and two-parent families. Results demonstrated that negative parent-adolescent relationships and parental school involvement mediated the relation between financial strain and adolescents' academic achievement.