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Self-incrimination : An Historical InterpretationMyres, Charles Ernest 06 1900 (has links)
This paper is an attempt to present the history of the so-called "self-incrimination clause" of the Fifth Amendment from the time the idea was first conceived in the mind of man to the present day. It is an attempt to present the ideas of both legal and lay thinkers concerning this clause.
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Effects of pleading the fifth amendment on juridic decisionsHeinsohn, Brian D. January 1997 (has links)
This study examined the effects that a defendant's pleading of the fifth amendment during a criminal trial had on simulated juror's decisions regarding verdict, likelihood of guilt, certainty of guilt, sentence severity, and perceptions of the defendant's character. One hundred fifty-five undergraduate psychology students read one of three versions of a transcript, based on a trial of a man charged with theft, in which the defendant did not plead the fifth (control), plead the fifth, or plead the fifth possibly for reasons other than hiding involvement in the crime (i.e. having an affair). Results showed that the two fifth amendment conditions found the defendant to be more likely guilty than the control condition. Also, a factor analysis suggested that an honest and a relaxed dimension best described the defendant's character. In addition, it was discovered that perceptions of the defendant's honesty mediated the effects of perceived likelihood of guilt. / Department of Psychological Science
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Effects of Immaturity on Juveniles’ Miranda Comprehension and ReasoningSharf, Allyson J. 08 1900 (has links)
Over the last several decades, researchers have documented how impaired reasoning by adult offenders impeded the intelligent waiver of Miranda rights. Logically, it stands to reason that juveniles – who are developmentally less mature and have less life experience than their adult counterparts – would possess even greater impairment, thereby heightening their risk for invalid Miranda waivers. Juvenile Miranda research supports this notion; with some researchers finding that psychosocial maturity, among other factors, affect a juvenile’s understanding of their rights. Yet, relatively few studies have examined its relation to Miranda reasoning and decision-making. Thus, the current study investigated the specific role of maturity in juveniles’ Miranda comprehension and reasoning. Participants included 236 legally-involved juveniles recruited from either a juvenile detention center or a juvenile justice alternative education program. The effects of psychosocial maturity were examined on a variety of Miranda-related measures and assessed a broad range of Miranda abilities. It was found that, in general, immature juveniles performed more poorly on all Miranda measures as compared to their mature counterparts. However, the impact of maturity varied considerably depending on the ability. Specifically, maturity was most important in the context of Miranda reasoning. As a novel addition to the literature, the current study also investigated the effects of developmental timing on maturity (i.e., immaturity-delayed versus immaturity-expected) on Miranda abilities.
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A Comparison of Miranda Procedures: The Effects of Oral and Written Administrations on Miranda ComprehensionBlackwood, Hayley L. 08 1900 (has links)
Millions of custodial suspects waive their rights each year without the benefit of legal counsel. The question posed to psychologists in disputed Miranda waivers is whether this waiver decision was, knowing, intelligent, and voluntary. Mental health professionals must be aware of potential barriers to Miranda comprehension to provide expert opinions regarding a defendant's competency to waive rights. The current study examined how Miranda warning reading level, length, and method of administration affects Miranda comprehension. Recently arrested detainees at Grayson County Jail were administered oral and written Miranda warnings from the Miranda Statements Scale (MSS; Rogers, 2005) to measure their comprehension of the warnings. Surprisingly low levels of Miranda comprehension were found for most warnings. For all warnings at or above 8th grade, a substantial minority (27.1% - 39.6%) of defendants exhibited failed (i.e., < 50% understanding) Miranda comprehension. Regardless of other variables, oral administrations resulted in a substantially larger number of defendants with failed Miranda comprehension. Implications for public policy and clinical practice are discussed.
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Deficits in Miranda Comprehension and Reasoning: The Effects of Substance Use and Attention Deficits.Hazelwood, Lisa L. 08 1900 (has links)
Each year, an estimated 318,000 defendants who do not comprehend the Miranda warnings waive their rights and provide incriminating evidence without the protection of counsel (Rogers, 2008), which make Miranda-related competencies one of the most pervasive pretrial issues. A wide range of issues could potentially affect an individual's capacity to provide a knowing and intelligent waiver. Previous Miranda research has focused narrowly on the effects of cognitive and developmental factors. The current study added to the Miranda literature by examining the impact of two highly prevalent conditions found in correctional populations, attention deficits and substance abuse. Adult defendants in custody (N = 118) were evaluated within 36 hours of arrest in order to assess both chronic psychological disorders and situational variables. Results indicate that attention deficits have a significant impact on defendants' ability to provide a knowing Miranda waiver, whereas substance use profoundly affected their reasoning about Miranda waiver decisions. This study represents the first systematic investigation of the effect of transient mental states on Miranda-related abilities with criminal defendants. Important implications for forensic practice are addressed.
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Miranda Comprehension and Reasoning: An Investigation of Miranda Abilities in Adult InpatientsWinningham, Darby B. 05 1900 (has links)
Nearly 700,000 suspects with mental disorders are arrested and Mirandized each year. The current study systematically examined the effects of cognitive deficits and psychological symptoms on both Miranda comprehension and reasoning. The current sample was comprised of 85 adult psychiatric inpatients recruited from University Behavioral Health (UBH), a private psychiatric hospital in North Texas. Unexpectedly, most inpatients demonstrated pervasive deficits in their immediate recall of a representative Miranda warning, omitting approximately four-fifths of its content. In addition, the majority of inpatients evidenced damaging errors in their reasoning about waiver decisions. As a result, 64.7% waived and subsequently confessed after only a 3-5 minute interrogation. Interestingly, impaired verbal ability but not the severity of their symptoms predicted greater deficits in Miranda comprehension.
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Three essays in the economics of law and languageMialon, Hugo Marc 28 August 2008 (has links)
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