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Table 4 Recommendations for assessing evidence of crime reduction

From: A simple weighted displacement difference test to evaluate place based crime interventions

\(Z_{\text{WDD}}\)

Strength of evidence

One tailed p-value

− 1.3

Weak evidence of reduction

0.1

− 1.6

Evidence of reduction

0.05

− 2.3

Strong evidence of reduction

0.01

− 3.1

Very strong evidence of reduction

0.001