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A number of different approaches have been used to quantify jurors' use of the decision criterion known as reasonable doubt. The purpose of the present study was to deter-mine which of a select group of these approaches could be utilized to match the actual decisions of individuals role-playing jurors for an assault trial. Simon's (1970) rank-order approach, a self-report approach, an approach derived from Statistical Decision Theory (Fried, Kaplan, & Klein, 1975), and one derived from Justice White's explanation of the Johnson v. Louisiana (1972) decision were each used to estimate values for reasonable doubt. The estimates were then used to recreate the individual decisions, and the recreated decisions were then compared to the actual decisions. The results indicated that every approach accurately matched the actual decisions at a better-than-chance rate, although the rankorder and decision theory approaches were most accurate. The reasonable doubt estimates obtained from each of the approaches were also used to examine the basic assumption underlying the Thomas and Hogue (1976) juror decision model. Only the estimates from the decision theory approach provided consistent support for the assumption. A variety of methods were suggested for more definite determinations of the accuracy of the approaches tested, and the reiative merits of the approaches were discussed. * Portions of this research were funded by a Kansas University General Fund Grant (#3471-00-0038) to Lawrence S. Wrightsman, whose comments on an earlier draft are greatly appreciated. I am also indebted to the anonymous reviewers for their extremely helpful comments.

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A criminal trial was presented to male and female undergraduates in one of four modes: videotape, audiotape, transcript, or summary. Significant differences in verdicts and in perceptions of the effectiveness of attorneys' presentations were observed across modes, but no differences in perceptions of witnesses were noted.

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The relationship between patient age and a successful resuscitation attempt is not as simple as reported earlier. Whether age is related to increased or decreased survival, or is unrelated to survival, depends on the rhythm extant when resuscitation attempts begin. Survival rates were higher than most reported elsewhere and improved significantly over time. Multicentered studies are needed to determine whether these results are unique to the institution studied.

The main objective of this study was to detect fatigue-induced clinical symptoms of immune suppression in medical residents. Samples were collected from the subjects at rest, following the first night (low-stress), and the last night (high-stress) of night float. Computerized reaction tests, Epworth Sleepiness Scale, and Wellness Profile questionnaires were used to quantify fatigue level. DNA of human herpes viruses HSV-1, VZV, EBV, as well as cortisol and melatonin concentrations, were measured in saliva. Residents at the high-stress interval reported being sleepier compared to the rest interval. EBV DNA level increased significantly at both stress intervals, while VZV DNA level increased only at low-stress. DNA levels of HSV-1 decreased at low-stress but increased at high-stress. Combined assessment of the viral DNA showed significant effect of stress on herpes virus reactivation at both stress intervals. Cortisol concentrations at both stress intervals were significantly higher than those at rest.