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

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...

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Main Authors: Rylan Simpson, Carlena Orosco
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2021-01-01
Series:PLoS ONE
Online Access:https://doi.org/10.1371/journal.pone.0260365
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author Rylan Simpson
Carlena Orosco
author_facet Rylan Simpson
Carlena Orosco
author_sort Rylan Simpson
collection DOAJ
description 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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spelling doaj.art-4a699cc98dbc430c80e0b4504223f0e72022-12-21T17:49:33ZengPublic Library of Science (PLoS)PLoS ONE1932-62032021-01-011612e026036510.1371/journal.pone.0260365Re-assessing measurement error in police calls for service: Classifications of events by dispatchers and officers.Rylan SimpsonCarlena OroscoPolice 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.https://doi.org/10.1371/journal.pone.0260365
spellingShingle Rylan Simpson
Carlena Orosco
Re-assessing measurement error in police calls for service: Classifications of events by dispatchers and officers.
PLoS ONE
title Re-assessing measurement error in police calls for service: Classifications of events by dispatchers and officers.
title_full Re-assessing measurement error in police calls for service: Classifications of events by dispatchers and officers.
title_fullStr Re-assessing measurement error in police calls for service: Classifications of events by dispatchers and officers.
title_full_unstemmed Re-assessing measurement error in police calls for service: Classifications of events by dispatchers and officers.
title_short Re-assessing measurement error in police calls for service: Classifications of events by dispatchers and officers.
title_sort re assessing measurement error in police calls for service classifications of events by dispatchers and officers
url https://doi.org/10.1371/journal.pone.0260365
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