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      Re-assessing measurement error in police calls for service: Classifications of events by dispatchers and officers

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      1 , * , 2
      PLoS ONE
      Public Library of Science

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          Abstract

          Police calls for service are an important conduit by which officers and researchers can obtain insight into public requests for police service. Questions remain, however, about the quality of these data, and, particularly, the prevalence of measurement error in the classifications of events. As part of the present research, we assess the accuracy of call-types used by police dispatchers to describe events that are responded to by police officers. Drawing upon a sample of 515,155 calls for police service, we explore the differences among initial call-types, cleared call-types, and crime-types as documented in crime reports. Our analyses reveal that although the majority of calls for service exhibit overlap in their classifications, many still exhibit evidence of misclassification. Our analyses also reveal that such patterns vary as a function of call- and crime-type categories. We discuss our findings in light of the challenges of the classification process and the associated implications.

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          Most cited references35

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          Police Violence and Citizen Crime Reporting in the Black Community

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            MEASUREMENT ERROR IN CALLS-FOR-SERVICE AS AN INDICATOR OF CRIME*

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              Land use, physical deterioration, resident-based control, and calls for service on urban streetblocks

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                Author and article information

                Contributors
                Role: ConceptualizationRole: Formal analysisRole: MethodologyRole: Writing – original draftRole: Writing – review & editing
                Role: ConceptualizationRole: Formal analysisRole: MethodologyRole: Writing – original draftRole: Writing – review & editing
                Role: Editor
                Journal
                PLoS One
                PLoS One
                plos
                PLoS ONE
                Public Library of Science (San Francisco, CA USA )
                1932-6203
                8 December 2021
                2021
                : 16
                : 12
                : e0260365
                Affiliations
                [1 ] School of Criminology, Simon Fraser University, Burnaby, British Columbia, Canada
                [2 ] School of Criminology and Criminal Justice, Arizona State University, Phoenix, Arizona, United States of America
                University of California-Irvine, UNITED STATES
                Author notes

                Competing Interests: The authors have declared that no competing interests exist.

                Author information
                https://orcid.org/0000-0003-3214-3797
                Article
                PONE-D-21-13476
                10.1371/journal.pone.0260365
                8654180
                34879080
                6fc621f9-4801-44ff-a167-dcc139315413
                © 2021 Simpson, Orosco

                This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

                History
                : 23 April 2021
                : 8 November 2021
                Page count
                Figures: 0, Tables: 3, Pages: 19
                Funding
                The authors received no specific funding for this work.
                Categories
                Research Article
                Social Sciences
                Law and Legal Sciences
                Criminal Justice System
                Law Enforcement
                Police
                People and Places
                Population Groupings
                Professions
                Police
                Social Sciences
                Sociology
                Criminology
                Crime
                Social Sciences
                Sociology
                Criminology
                Crime
                Theft
                Social Sciences
                Law and Legal Sciences
                Criminal Justice System
                Law Enforcement
                Policing
                Medicine and Health Sciences
                Epidemiology
                Medical Risk Factors
                Traumatic Injury Risk Factors
                Violent Crime
                Assault
                Medicine and Health Sciences
                Public and Occupational Health
                Traumatic Injury Risk Factors
                Violent Crime
                Assault
                Social Sciences
                Sociology
                Criminology
                Crime
                Violent Crime
                Assault
                Research and Analysis Methods
                Research Assessment
                Medicine and Health Sciences
                Epidemiology
                Medical Risk Factors
                Traumatic Injury Risk Factors
                Violent Crime
                Medicine and Health Sciences
                Public and Occupational Health
                Traumatic Injury Risk Factors
                Violent Crime
                Social Sciences
                Sociology
                Criminology
                Crime
                Violent Crime
                Medicine and Health Sciences
                Epidemiology
                Medical Risk Factors
                Custom metadata
                All data files used as part of the present research are publicly available for download via the Chandler Police Department’s Open Data Portal website. The “Calls for Service” data file can be downloaded via: https://data.chandlerpd.com/catalog/calls-for-service/. The “General Offense Reports” data file can be downloaded via https://data.chandlerpd.com/catalog/general-offenses/.

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