Foreign language learning is generally not required in the United States, despite its link to various cognitive and social benefits later in life. Students who speak a home language different from the instructional language of school may experience unique benefits when learning additional languages in school. The present study examined whether…

A robust finding across research on early childhood educational interventions is that the treatment effect diminishes over time, with children not receiving the intervention eventually catching up to children who did. One popular explanation for fadeout of early mathematics interventions is that elementary school teachers may not teach the kind of…

Much of child care research has focused on the effects of the quality of care in early childhood settings on children's school readiness skills. Although researchers increased the statistical rigor of their approaches over the past 15 years, researchers' ability to draw causal inferences has been limited because the studies are based on…

On the basis of a large-scale survey of high-school youth, the authors compared adolescents reporting exclusively heterosexual, mostly heterosexual, bisexual, and predominately same-sex attraction based on high-risk involvement across a range of risk behaviors. Bisexual and same-sex attracted groups were characterized by heightened high-risk…

Examined main and interactive effects of multiple social risk factors and preschool IQ and mental health on students' academic trajectories from first to twelfth grade. Found that high-risk students had lower grades and more absences from first to twelfth grade than low-risk students. Higher IQ and better mental health improved the grade point…