The Effects of Sanction Intensity on Criminal Conduct - JDAI Helpdesk

Table 3.2: Sample Characteristics (Experimental Sample)
Treatment Group
(N=800)
Control Group
(N=759)
Offender Characteristics
% Male 66.5 67.6
% White 41.8 38.0
Mean age 40.78 40.58
All Charges
Pre-RA
% 99.6 99.9
Mean 20.99 20.87
Post-RA
% 21.5 21.5
Mean 1.31 1.44
Serious Charges
Model-
Defined
UCR
Part I
Victim/
Damage
Pre-RA
Post-RA
Pre-RA
Post-RA
Pre-RA
Post-RA
% 29.5 27.9
Mean 1.02 .89
% 2.5 4.1
Mean .13 .13
% 65.9 67.7
Mean 5.19 5.73
% 8.0 9.6
Mean .32 .34
% 65.1 65.4
Mean 5.41 5.51
% 6.9 8.7
Mean .34 .42
No significant differences. 2-tailed z (proportion) & 2-tailed t (mean).
Table 3.3: Prevalence and Frequency <strong>of</strong> Post-Risk Assessment Serious Offending by Risk
Level
Low Risk
(N=1,603)
Non-Low Risk
(N=1,015)
% Serious 3.4 10.2
Model-Defined Risk Ratio .33***
Mean .13 .38***
% Serious 9.1 15.7
UCR Part I Risk Ratio .58***
Mean .34 .62***
% Serious 8.2 17.5
Victim/Damage Risk Ratio .47***
Mean .41 .91***
*** p < .001, χ 2 (prevalence) & 2-tailed t (frequency).
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