When do nonviolent protests escalate into violence? Existing literature has focused primarily on campaign-level escalations and only recently has work begun to examine protest event-level escalations. We build on this emerging literature and develop an argument for why some protests escalate to violence. We use statistical analysis and find that violent escalations are more likely to occur following recent repression and when protests are unorganized. Our results offer insight into the conditions in which protests remain peaceful and offer citizens a channel to pursue their goals as well as the conditions in which protests become violent and destabilizing.

Chickering and Gamson’s notable summary of the best practices of undergraduate teaching include promoting active learning, cooperation, and student–faculty contact. The present study hypothesized that online delivery of lecture prior to course meetings allows more in-class time to achieve these goals. Students in a control group received a traditional, oral, lecture-style class with supplementing PowerPoint presentation, whereas students in a treatment group received online presentation of the same lecture script and PowerPoint presentation prior to coming to class; the treatment group’s in-class time was devoted to group activities and discussion of material. Learning and retention were assessed by student performance on a series of multiple-choice tests and quizzes given throughout the semester. Results indicate that students in the treatment condition scored significantly higher on most measures than did students in the control condition. Through strong control of experimental conditions, this study departs from many previous investigations of the benefits of online delivery as an adjunct to seated class time in an introductory social science course, highlighting its advantages such as freeing class time for those activities and strategies deemed to be best practices. The implications of these results and limitations to the study are discussed.

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How does exposure to conflict events shape social trust? Research in political psychology predicts that conflict exacerbates group divisions, enhancing ingroup solidarities while simultaneously reducing outgroup trust. Experimental research has found support for these predictions, and yet measuring the impact of conflict on trust beyond the laboratory is difficult. For example, questions about the lasting salience of experimental treatments remain a challenge in the study of conflict. We develop an empirical strategy using geo‐coded individual‐level survey data from the Afrobarometer project and geo‐coded conflict‐event data. We draw spatial and temporal buffers around each survey respondent that allow us to test whether proximate exposure to conflict events correlates with lower social trust, as well as how far and long that salience lasts. We find that exposure to conflict reduces generalized and outgroup trust, as predicted. Contrary to our expectations, we find that it reduces ingroup trust. We investigate further and find that ingroup trust suffers most when respondents live in homogenous ethnic enclaves. Furthermore, we advance an argument that the effects of exposure to conflict are mitigated over distance and time. Our results indicate that the effect diminishes over both time and space.