Two studies assessed the effects of preinstruction on decision making in simulated civil trials. In Study 1, substantive instructions were presented before the evidence, after the evidence, before and after the evidence, or not at all to nominal jurors who did not deliberate and to interactive jurors who did deliberate. Preinstructed nominal jurors differentiated among the plaintiffs in awarding damages, whereas postinstructed nominal and interactive jurors did not. Group discussion and preinstruction augmented damage awards and improved recall of evidence only for preinstructed jurors. Study 2 suggested that substantive preinstruction engaged a proplaintiff bias when trial evidence was technically difficult but enhanced systematic processing when the evidence was presented in less complex language. © 1995 American Psychological Association.
CITATION STYLE
Bourgeois, M. J., Horowitz, I. A., ForsterLee, L., & Grahe, J. (1995). Nominal and Interactive Groups: Effects of Preinstruction and Deliberations on Decisions and Evidence Recall in Complex Trials. Journal of Applied Psychology, 80(1), 58–67. https://doi.org/10.1037/0021-9010.80.1.58
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