The Annals of the American Academy of Political and Social Science, Volume 587A.L. Hummel, 2003 - 207 páginas |
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Página 58
... internal validity that could easily be communicated . Thus , a simple 5 - point scale was used rather than a summation of scores ( e.g. , from 0 to 100 ) on a number of specific criteria . It was intended that each point on the scale ...
... internal validity that could easily be communicated . Thus , a simple 5 - point scale was used rather than a summation of scores ( e.g. , from 0 to 100 ) on a number of specific criteria . It was intended that each point on the scale ...
Página 59
... internal validity . While randomized experiments in principle have the highest internal validity , in practice , they are relatively uncommon in criminology and often have implementa- tion problems ( Farrington 1983 ; Weisburd 2000 ) ...
... internal validity . While randomized experiments in principle have the highest internal validity , in practice , they are relatively uncommon in criminology and often have implementa- tion problems ( Farrington 1983 ; Weisburd 2000 ) ...
Página 64
... internal validity ( Pawson and Tilley 1997 , 27 ) . My own view is as follows : Pawson and Tilley argue that measurement is needed only within the program community and that control groups are not needed , but to my mind the one group ...
... internal validity ( Pawson and Tilley 1997 , 27 ) . My own view is as follows : Pawson and Tilley argue that measurement is needed only within the program community and that control groups are not needed , but to my mind the one group ...
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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