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Reducing Crime videos

The evidence hierarchy for policy decision-making (13 mins.)

In this video, Jerry Ratcliffe introduces and explains the evidence hierarchy for policy decision-making.


The discussed graphic can be downloaded here: and there is more details about this evidence hierarchy in this blog post:

Quick guides to five evidence-based policing web sites

These videos were made for my (Jerry Ratcliffe) undergraduate students to help them navigate the main five websites I recommend for literature on evidence-based policing. 

The videos range in length between about seven and about 12 minutes. 


They are shown in small windows to fit them all in here; however if you want to view them full screen by clicking the full screen icon with four arrows in the bottom right of the video screen. 

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