The Annals of the American Academy of Political and Social Science, Volume 587A.L. Hummel, 2003 - 207 páginas |
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Página 73
... mean effect size for reoffense recidivism outcomes in the studies in this database , expressed as a standardized mean difference , is .10 ( i.e. , one - tenth of a standard deviation difference between the mean outcome for the ...
... mean effect size for reoffense recidivism outcomes in the studies in this database , expressed as a standardized mean difference , is .10 ( i.e. , one - tenth of a standard deviation difference between the mean outcome for the ...
Página 74
Random TABLE 1 MEAN EFFECT SIZES FOR RANDOM / NONRANDOM DESIGNS WITH LOW VERSUS HIGH ATTRITION N Mean Effect % Size Confidence Interval Low attrition 127 33.2 .07 .04 / .10 High attrition 66 17.3 .07 .03 / .11 Nonrandom Low attrition ...
Random TABLE 1 MEAN EFFECT SIZES FOR RANDOM / NONRANDOM DESIGNS WITH LOW VERSUS HIGH ATTRITION N Mean Effect % Size Confidence Interval Low attrition 127 33.2 .07 .04 / .10 High attrition 66 17.3 .07 .03 / .11 Nonrandom Low attrition ...
Página 76
... mean effect size for research / demonstration programs ( .12 ) is significantly larger than that for practice programs ( .08 ) . Thus , we know that random assignment designs are associated with smaller mean effects but tend to be ...
... mean effect size for research / demonstration programs ( .12 ) is significantly larger than that for practice programs ( .08 ) . Thus , we know that random assignment designs are associated with smaller mean effects but tend to be ...
Outras edições - Ver tudo
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analysis Annals Anthony Petrosino antisocial behavior assess Before-after benefit-cost ratio Campbell Collaboration car parks CCTV closed-circuit television comparison control area control group cost-benefit cost-benefit analysis costs and benefits Crime and Justice crime prevention criminal justice Criminology criteria curfew enforcement curfew laws curfew violators David delinquency displacement edited effect of CCTV effect size effect sizes evaluation research evaluation studies evidence evidence-based experimental Farrington follow-up Gottfredson identify impact included internal validity intervention issue Justice Economics juvenile crime juvenile curfews juvenile offenders Lipsey Lösel Maryland Report ment meta-analysis methodological quality moderator variables months null hypothesis odds ratio outcome measures Pawson and Tilley percent postintervention practice Preventing crime prevention programs problems quality scale random assignment randomized experiments research design sample scale scientific score sentencing options Sherman standards statistical conclusion validity statistical power statistically nonsignificant findings statistically significant systematic reviews tion versus Weisburd Welsh