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NCJ Number: 74914 Find in a Library
Title: Relationship Between Mean Cost Rating (MCR) and Kendall's Rank Correlation Coefficient Tau
Journal: Social Science Research  Volume:7  Issue:1  Dated:(March 1978)  Pages:81-87
Author(s): L Lancucki; R Tarling
Date Published: 1978
Page Count: 7
Type: Statistics
Format: Article
Language: English
Country: United States of America
Annotation: This paper shows that Mean Cost Rating (MCR) is closely related to Kendall's rank correlation coefficient tau and demonstrates, by means of this relationship, how the significance of MCR can be tested.
Abstract: Mean Cost Rating (MCR) has been used extensively in criminology to measure the power of prediction instruments by contrasting the concepts of cost and utility. MCR was used in connection with the criteria according to which parole boards select prospective parolees. This study shows the calculations used to indicate the significance of the degree of association between MCR and Kendall's rank correlation coefficient tau as a measure of the probability of success or failure of offenders to be paroled, based on the offenders' background characteristics and previous record of reconviction. In addition to research conducted in England, references is made to the 1974 Parole Decisionmaking Project of Davis, Calif. The paper consists chiefly of statistical tables and calculations. Four references are appended.
Index Term(s): Criminality prediction; Decisionmaking; England; Evaluation; Parole outcome prediction; Recidivism; Statistical analysis; United States of America
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