The impact of illegal alibi activities, corroborator involvement and corroborator certainty on mock juror perceptions
alibi believability, criminal defendants, jury decision-making
Undergraduate mock jurors (N= 360) received a mock police report and trial in which a suspect was accused of rape. The suspect offered one of three alibis: a sexually salacious and illegal alibi, a non-sexually salacious and illegal alibi, and a control condition. The corroborator either helped or observed him in his illegal alibi activities and was either 100 or 80% sure she was with him that night. Alibi salaciousness did not significantly affect alibi believability although it had a significant impact on views of the defendant's and corroborator's characters, corroborator believability, and verdict certainty. The non-sexually salacious alibi generally led to higher ratings on these measures in comparison with the control condition. Corroborator certainty had significant effects on perceptions of the corroborator.
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