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The Little Village Gang Violence Reduction Project in Chicago

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11.5(c) Adjusted Mean Change <strong>in</strong> Total <strong>Violence</strong> Arrests (and Standard Error) andPairwise t Test for the Age Ma<strong>in</strong> EffectAgeAdjustedMeanStd ErrPr > |T|Ho: Adjusted Mean(i)=Adjusted Mean(j)i/j 1 2 3$19 -1.18 0.26 1 — 0.324 0.12717-18 -0.92 0.30 2 0.324 — 0.623 |T|Ho: Adjusted Mean(i)=Adjusted Mean(j)i/j 1 2 3Program -1.48 0.27 1 — 0.030* 0.003**Comparison -0.89 0.29 2 0.030* — 0.268Quasi-Program -0.53 0.34 3 0.003** 0.268 —11.5(e) Adjusted Mean Change <strong>in</strong> Total <strong>Violence</strong> Arrests (and Standard Error) andPairwise t Tests for the Sample×Age InteractionAge Sample AdjustedMeanStd ErrPr > |T|Ho: Adjusted Mean(i)=Adjusted Mean(j)i/j 1 2 3 4 5 6 7 8 9$19 P -1.89 0.33 1 — * *$19 C -1.01 0.33 2 * —$19 Q -0.63 0.43 3 * —17-18 P -1.39 0.36 4 —17-18 C -0.89 0.38 5 —17-18 Q -0.48 0.49 6 —

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