Early life adversity influences the diurnal cortisol rhythm, yet the relative influence of different characteristics of adversity remains unknown. In this study, we examine how developmental timing (childhood vs. adolescence), severity (major vs. minor), and domain of early life adversity relate to diurnal cortisol rhythms in late adolescence. We…

Few published studies have examined the interaction between community violence exposure, academic engagement, and parental involvement, despite theory suggesting that these three domains of development are interrelated during adolescence. This study had two related objectives: (a) to assess the temporal ordering of the relation between community…

Does social influence exerted through role modeling of collective action impact social change in contexts that are not conducive to collective action, such as long-lasting violent conflicts? We examined this question in two field experiments in the Eastern Democratic Republic of Congo. We created two versions of an episode of an existing media…

School closures due to teacher strikes or political unrest in low-resource contexts can adversely affect children's educational outcomes and career opportunities. Phone-based educational technologies could help bridge these gaps in formal schooling, but it is unclear whether or how children and their families will use such systems during periods…

A wealth of past research has examined the relationship between low physiological arousal and violence or antisocial behavior. Relatively little research; however, has examined the relationship between low physiological arousal and psychopathic traits, with even less having been conducted with juveniles. The current study attempts to fill this gap…

The present study (N= 1074) examined the impact of a theory-driven media intervention aimed at violence prevention and intergroup reconciliation in Burundi. We used a novel methodology utilizing audio-based surveys to assess attitudes related to intergroup conflict and reconciliation among community members. We conducted a propensity score…