The Annals of the American Academy of Political and Social Science, Volume 587A.L. Hummel, 2003 - 207 páginas |
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... effect sizes according to differences in the proportion of treatment success . For example , using a base rate of 40 percent , a small effect size of .20 could be interpreted as the difference between 50 percent and 40 percent , a medium ...
... effect sizes according to differences in the proportion of treatment success . For example , using a base rate of 40 percent , a small effect size of .20 could be interpreted as the difference between 50 percent and 40 percent , a medium ...
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n TABLE 3 DISTRIBUTION OF THE ABSOLUTE VALUE OF EFFECT SIZES FOR STATISTICALLY NONSIGNIFICANT STUDIES Average ES % Largest ES n % 0 ≤ ES ≤.1 17 40 15 .1 < ES ≤.2 13 30 14 333333 35 .2 < ES ≤.4 12 28 9 21 .4 < ES ≤.5 1 2 4 9 .5 < ES ...
n TABLE 3 DISTRIBUTION OF THE ABSOLUTE VALUE OF EFFECT SIZES FOR STATISTICALLY NONSIGNIFICANT STUDIES Average ES % Largest ES n % 0 ≤ ES ≤.1 17 40 15 .1 < ES ≤.2 13 30 14 333333 35 .2 < ES ≤.4 12 28 9 21 .4 < ES ≤.5 1 2 4 9 .5 < ES ...
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TABLE 3 MEAN EFFECT SIZES FOR DEMONSTRATION AND PRACTICE PROGRAMS STUDIED WITH RANDOM AND NONRANDOM DESIGNS Research / demonstration Practice All Random Nonrandom All .09 .04 .07 855 .16 .12 .09 .08 .12 given the advantages of research ...
TABLE 3 MEAN EFFECT SIZES FOR DEMONSTRATION AND PRACTICE PROGRAMS STUDIED WITH RANDOM AND NONRANDOM DESIGNS Research / demonstration Practice All Random Nonrandom All .09 .04 .07 855 .16 .12 .09 .08 .12 given the advantages of research ...
Outras edições - Ver tudo
The Annals of the American Academy of Political and Social Science, Volume 141 Visualização integral - 1928 |
Annals of the American Academy of Political and Social Science, Volume 77 Visualização integral - 1918 |
The Annals of the American Academy of Political and Social Science, Volume 106 Visualização integral - 1923 |
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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