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The Violent Crime Linkage Analysis System: A Test of Interrater Reliability

Research output: Contribution to journalJournal article


  • Brent Snook
  • Kirk Luther
  • John House
  • Craig Bennell
  • Paul Taylor

Associated organisational unit

<mark>Journal publication date</mark>05/2012
<mark>Journal</mark>Criminal Justice and Behavior
Number of pages13
Early online date15/03/12
<mark>Original language</mark>English


The interrater reliability of an internationally renowned crime linkage system—the Violent Crime Linkage Analysis System (ViCLAS)—was tested. Police officers (N = 10) were presented with a case file and asked to complete a ViCLAS booklet. The level of occurrence agreement between each officer was calculated. Results showed a 30.77% level of agreement across the 106 variables examined. Agreement ranged from 2.36% for weapon variables to 62.87% for administration variables. Only 11 (10.38%) of the variables reached an acceptable level of agreement. Concerns pertaining to the validity of inferences produced using ViCLAS data are discussed, along with potential explanations for the findings, limitations of the study, and future research directions.

Bibliographic note

The final, definitive version of this article has been published in the Journal, Criminal Justice and Behavior, 39 (5), 2012, © SAGE Publications Ltd, 2012 by SAGE Publications Ltd at the Criminal Justice and Behavior page: http://cjb.sagepub.com/ on SAGE Journals Online: http://online.sagepub.com/