A Comparative Study of the Use and Effectiveness of Different Risk
Assessment Models in CPS Decision Making Processes
Dataset Number: 84
Investigator(s): Baird, C.
Abstract: A Comparative Study of the Use and Effectiveness
of Different Risk Assessment Models in CPS Decision Making Processes
was a three-year project conducted by the Children's Research Center
and funded by the National Center on Child Abuse and Neglect. The
central objective of this study was to determine the relative validity
and reliability of three different risk assessment systems used in
Child Protective Services (CPS). In addition to comparing system
validity and reliability, this research was intended to: 1) identify
correlates of child maltreatment in each jurisdiction studied; 2)
determine the degree to which risk assessment models are transferable
among jurisdictions; 3) determine the extent to which site-specific
risk assessment systems might offer improvements over existing
systems; 4) determine the degree to which worker characteristics are
related to case outcomes; 5) determine if services have a significant
effect on outcomes; and 6) determine which risk factors are valid
across all sites, and which have little or no relationship to
outcomes.
The three risk assessment instruments used in this study
included the Washington Risk Assessment Matrix, the California Family
Assessment Factor Analysis, and the Michigan Structured Decision
Making System's Family Risk Assessment of Abuse and Neglect. Both the
Washington and the California models are consensus-based assessment
systems, while the Michigan model is an actuarial instrument developed
from empirical studies of child maltreatment.
Data were collected from four project jurisdictions:
Alameda county, California; Dade county, Florida; Jackson county,
Missouri; and Macomb, Muskegon, Ottawa, and Wayne counties in
Michigan. Due to complexities in gathering the data, the vast majority
of cases in this study came from urban settings. In total, 1,400
families constituted the validity study sample. All were investigated
in the fall of 1995 or early 1996. The number of cases for which each
risk assessment was actually completed, however, ranged from 1,335 to
1,396 (Baird and Wagner, 2000). Outcome information was collected over
an 18-month follow-up period, including rates of subsequent
investigations, substantiations, and placements in out-of-home care.
The sample for the reliability component of the research consists of
20 cases per site - ten substantiated and ten unsubstantiated cases
(except in the case of Michigan where 20 substantiated cases were
chosen for reliability testing) - for a grand total of 80 reliability
study sample cases.
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