Granger models are popular when it comes to testing hypotheses that relate series of measures causally to each other. In this article, we propose a taxonomy of Granger causality models. The taxonomy results from crossing the four variables Order of Lag, Type of (Contemporaneous) Effect, Direction of Effect, and Segment of Dependent Series…

Students targeted by homophobic discrimination are at risk for poor academic outcomes, yet few studies have examined how witnessing discrimination affects students. This study examined the impact of direct and indirect experiences of heterosexism on feelings of safety, belongingness, and connectedness among a sample of 1,702 students at a public…

Researchers have theorized that programs to promote positive citizenship should begin with an opportunity for adolescents to participate in civic activities, such as community service or political volunteering. In this article we extend the theory by arguing that a more systemic approach is needed, in which a civic context is developed to promote…