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Many studies during the past few decades have sought to determine whether the death penalty has any deterrent effect on homicide rates. Researchers have reached widely varying, even contradictory, conclusions. Some studies have concluded that the threat of capital punishment deters murders, saving large numbers of lives; other studies have concluded that executions actually increase homicides; still others, that executions have no effect on murder rates. Commentary among researchers, advocates, and policymakers on the scientific validity of the findings has sometimes been acrimonious. Against this backdrop, the National Research Council report Deterrence and the Death Penalty assesses whether the available evidence provides a scientific basis for answering questions of if and how the death penalty affects homicide rates. This new report from the Committee on Law and Justice concludes that research to date on the effect of capital punishment on homicide rates is not useful in determining whether the death penalty increases, decreases, or has no effect on these rates. The key question is whether capital punishment is less or more effective as a deterrent than alternative punishments, such as a life sentence without the possibility of parole. Yet none of the research that has been done accounted for the possible effect of noncapital punishments on homicide rates. The report recommends new avenues of research that may provide broader insight into any deterrent effects from both capital and noncapital punishments.
This accessible text enables criminology and criminal justice students to understand and critically evaluate criminal law in the context of criminal justice and wider social issues. The book explains criminal law comprehensively, covering both general principles and specific types of criminal offences. It examines criminal law in its social context, as well as considering how it is used by the criminal justice processes and agencies which enforce it in practice. Covering all the different theoretical approaches that the student of criminology and criminal justice will need to understand, the book provides learning tools such as: -chapter objectives - making the structure of the book easy to follow for students -questions for discussion and student exercises - helping students to think critically about the ideas and concepts in each chapter, and to undertake further independent and reflective study -′definition boxes′ explaining key concepts - helping students who are not familiar with specialist criminal law terminology to understand what the key basic concepts in criminal law really mean in practice -a companion Website which incorporates a range of resources for lecturers and students.
By focusing on key ideas in both criminology and criminal justice, this book brings a new and unique perspective to understanding critical research in criminology and criminal justice -- heretofore, the practice has been to separate criminology and criminal justice. However, given their interconnected nature, this book brings both together cohesively. In going beyond simply identifying and discussing key contributions and their effects by giving students a broader socio-political context for each key idea, this book concretely conceptualizes the key ideas in ways that students will remember and understand.
"New to this edition is the accompanying CD that contains five criminal justice data sets. Students use the data sets to answer the questions in end-of-chapter exercises and data analysis sections. These hands-on, real-world activities provide a variety of opportunities to use statistical tools and understand their applicability."--Back cover.
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