Most undergraduates give high ratings to research experiences. Studies report that these experiences improve participation and persistence, often by strengthening students' views of themselves as scientists. Yet, the evidence for these claims is weak. More than half the 60 studies reviewed rely on self-report surveys or interviews. Rather than introducing new images of science, research experiences may reinforce flawed images especially of research practices and conceptual understanding. The most convincing studies show benefits for mentoring and for communicating the nature of science, but the ideas that students learn are often isolated or fragmented rather than integrated and coherent. Rigorous research is needed to identify ways to design research experiences so that they promote integrated understanding. These studies need powerful and generalizable assessments that can document student progress, help distinguish effective and ineffective aspects of the experiences, and illustrate how students interpret the research experiences they encounter. To create research experiences that meet the needs of interested students and make effective use of scarce resources, we encourage systematic, iterative studies with multiple indicators of success.
On September 26, 2013, the Appeals Chamber for the Special Court for Sierra Leone (Special Court) unanimously upheld the Trial Chamber’s conviction of Charles Ghankay Taylor, the former President of Liberia, and affirmed his fifty-year sentence for aiding and abetting rebel forces in Sierra Leone that perpetrated brutal crimes during the civil war in Sierra Leone. The Appeals Chamber’s judgment followed an almost four-year trial that included testimony from 115 witnesses, including Taylor himself—who testified in his defense for seven months—and celebrities such as British model Naomi Campbell and U.S. actress Mia Farrow, who the Prosecution called to show that Taylor knowingly handled blood diamonds. Taylor is the first head of state that an international or hybrid tribunal has convicted since the Nuremberg trials.
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