This article identifies depressive symptom trajectories and heterogeneity in these trajectories during pregnancy and through the first year postpartum, and examines the association between unintended pregnancy and depressive symptoms among low-income Hispanic immigrants. Three distinct...

The fast growing statistical literatures on matching methods in several disciplines offer the promise of causal inference without resort to the difficult-to-justify functional form assumptions inherent in commonly used parametric methods. However, these literatures also suffer from many diverse...

The long-standing approach of using probability samples in social science research has come under pressure through eroding survey response rates, advanced methodology, and easier access to large amounts of data. These factors, along with an increased awareness of the pitfalls of the...

Although experiments are viewed as the gold standard for evaluation, some of their benefits may be lost when, as is common, outcomes are not defined for some sample members. In evaluations of marriage interventions, for example, a key outcome—relationship quality—is undefined when...

This report presents interim findings from the Power4Kids evaluation. Conducted just outside Pittsburgh, Pennsylvania, in the Allegheny Intermediate Unit, the evaluation is assessing the effectiveness of either substantial parts or all of four widely used programs for elementary school students...

This article identifies depressive symptom trajectories and heterogeneity in these trajectories during pregnancy and through the first year postpartum, and examines the association between unintended pregnancy and depressive symptoms among low-income Hispanic immigrants. Three distinct...

Sustained mass media campaigns have been recommended to stem the tobacco epidemic in the United States. Propensity score matching (PSM) was used to estimate the effect of awareness of a national smoking cessation media campaign (EX®) on quit attempts and cessation-related cognition....