We examined effects on child development of a group-based parenting support program ("Educación Inicial" - EI) when combined with Mexico's conditional cash transfer (CCT) program ("Prospera," originally 'Oportunidades" and "Progresa"). This cluster-randomized trial included 204 communities (n = 1,113 children in…

Using a group-randomized field experimental design, this study tested whether a workplace intervention--designed to reduce work-family conflict--buffered against potential age-related decreases in the affective well-being of employees' children. Daily diary data were collected from 9- to 17-year-old children of parents working in an information…

Using data ("n" = 3,790 with 2,119 in the 3-year-old cohort and 1,671 in the 4-year-old cohort) from 353 Head Start centers in the Head Start Impact Study, the only large-scale randomized experiment in Head Start history, this article examined the impact of Head Start on children's cognitive and parent-reported social-behavioral outcomes…

The experiment reported here tested impacts of New Hope, an employment-based poverty intervention for adults on developmental patterns of children's participation in structured out-of-school activities, using a cross-sequential design spanning ages 6 through 19. New Hope increased participation in activities (lessons, sports, religious, clubs,…

Debates persist over whether bisexuality is a temporary stage of denial or transition, a stable "3rd type" of sexual orientation, or a heightened capacity for sexual fluidity. The present study uses 5 waves of longitudinal data collected from 79 lesbian, bisexual, and "unlabeled" women to evaluate these models. Both the "3rd orientation" and…

Connections between youth activity involvement and indicators of successful development were examined in a longitudinal high school sample. Drawing on theories of expertise skill development (e.g., J. Cote, 1999); the selection, optimization, and compensation framework (P. B. Baltes, 1997); and theories of positive youth development (e.g., R. M.…

Improvements in 5- and 7-year-olds' acquisition and retention of related concept pairings were examined when additional similarities and differences between pair members were provided. Using a standard paired-associate learning paradigm, children learned 18 related picture pairs; some of the children either were given or produced additional…

This study aimed at analyzing complex relationships among Internet use, Internet users, and conceptual understanding of the Internet. It used path models to examine factors related to Internet use (duration of Internet use, frequency of Internet use, and informal Internet classes) and Internet users (age and gender) in affecting understanding of…

The effectiveness of a public nursery school program was evaluated using two comparision groups, those who had and had not attended nursery school and Title 1 and non-Title 1 children. (Author)

Compared long-term effects of two compensatory preschool programs. Learning to Learn and Head Start/Title on fourth through sixth grade performance of students. Data, collected and analyzed from cumulative records of students revealed significant differences in favor of Learning to Learn groups on academic subjects, special education placement,…

Assigned elementary schools to either immediate postbaseline intervention (PBI) with PeaceBuilders, a school-based violence prevention program, or to intervention 1 year later (PBD). Found significant gains in social competence for kindergarten through second-graders in Year 1, in peace-building behavior in Grades K to 5, and reduced aggression in…

Data from the NICHD Study of Early Child Care were examined to explore five propositions that would support a causal relationship between child care quality and child outcomes at age 4.5 years. Three propositions were supported, particularly in the cognitive domain. Associations between quality and outcomes remained even with child and family…

Examined developmental trajectories toward violence over middle childhood and children's response to a universal school-based preventive intervention. Found that three growth patterns--positive linear, late acceleration, and gradual deceleration--characterized the children's trajectories, and these trajectories varied meaningfully by child…