The Art ofPerformance MeasurementImplementing Performance Measuresfor Criminal Justice Information System ProjectsDr. Peter Scharf, [email protected]Dr. Michael Geerken, [email protected]and The Center for Society, Law and Justice StaffSEARCH Conference, March 2006
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Types of Performance Measures Types of Performance Measures Output Measures:
Any product of a project activity. Output measures are
usually indicators of the volume of work accomplished (e.g., number of traffic stops, number of officers attending training) as opposed to theintended results of that work (e.g., reduction in traffic
fatalities, reduction in citizen complaints aboutofficers¶ behavior).
Program Summar y MeasuresProgram Summar y Measures
Measure 1: Percent decrease in average lawenforcement response time to priority calls for service
Measure 2: Increase in percent of events (arrests,charging decisions, and court dispositions) that theresponsible agency has posted to the state criminalhistory repository within 30 days of occurrence
Program Summar y Measures: Measure 2Program Summar y Measures: Measure 2
Is this measure with accompanying explanation clear andunambiguous?
Measur e 2: Increase in percent of events (arrests, charging decisions, andcourt dispositions) that the responsible agency has posted to the state
criminal history repository within 30 days of occurrence.
P roject Type s: Electronic State Criminal History Repository, AutomatedFingerprint Identification System (AFIS), Prosecutor Computer-BasedManagement System, Court Computer-Based Management System,GLOBAL
Summary Statement Example: Af t er impl ementation o f BJ A f und ed in f ormation t echnology, an averag e o f 12% mor e criminal justice events(arr e sts, charging d ecisions, and court dispositions) wer e post ed to a stat e criminal history r e pository within 30 days.
Program Summar y Measures: Measure 3Program Summar y Measures: Measure 3
Does this measure represent an important part of the criminal justicemission?
Measur e 3: Number of additional automated criminal justice informationexchanges made possible by the project.
P roject Type s: Criminal Justice Integration, Law Enforcement RecordsManagement System, Institutional Correctional Management System,Prosecutor-based Management System, Court Computer-basedManagement System, GLOBAL, Drug Court Computer-basedManagement System, Probation/Parole Computer-based Management
System
Summary Statement Example: I n f ormation t echnology f und ed by BJ A mad e possibl e 1.4 million additional automat ed criminal justice in f ormation sharing exchang e s.
Com ponent 3: Defining How Com ponent 3: Defining How
Change is MeasuredChange is Measured
P re-post project measures of change. These measurescompare periods prior to and after implementation of the
project. What is compared may be numbers in any of avariety of formats, but it is critical that the numbers becollected, as much as possible, in a comparable way.
Com ponent 3: Defining How Com ponent 3: Defining How
Change is Measured (Cont.)Change is Measured (Cont.)
Subset comparison measures of change. These are moresophisticated measures of pre-post project change that
compare changes in areas affected by the project to those notaffected. For example, if a technology were installed in some,
but not all, police districts in a city, this measure wouldexpress the difference in change in affected districts fromthose not affected by the project.
Com ponent 3: Defining How Com ponent 3: Defining How
Change is Measured (Cont.)Change is Measured (Cont.)
But-for measures. These are measures that count outcomeevents that could only have occurred with project technology.
For example, a new crime solving technology might have as anoutcome measure the number of crimes solved with thetechnology that would not have otherwise been solved.