Sign In / Sign Out
Navigation for Entire University
- ASU Home
- My ASU
- Colleges and Schools
- Map and Locations
|Gross Effect (GE)||Determines increase or decrease in response area.||Positive number > 0) indicates decrease in crime; Negative number < 0) indicates increase in crime. Zero = 0) means there was no change.|
|Net Effect (NE)||Determines increase or decrease in response area in relation to changes in control area.||Positive number > 0) indicates decrease in crime; Negative number < 0) indicates increase in crime. Zero = 0) means there was no change.|
|Weighted Displacement Quotient (WDQ)||Determines the extent of displacement or diffusion in buffer areas in relation to changes in response and control area.||Positive number > 0) indicates there was a diffusion effect and any response effects were amplified; If number is greater than positive one > + 1.00) then the diffusion effect was greater than the response effect. Negative number < 0) indicates there was displacement. A negative number between zero and negative one < 0 > -1.00) means the displacement was not greater than the response effects and the intervention still achieved some benefit. A negative number beyond negative one < -1.00) means the response effect was eclipsed or erased by displacement. Zero = 0) means there was no effect.|
|Success Measure||Determines the degree to which the decrease in the action area outweighs that in the control area (i.e., the degree to which the response was successful).||Negative number < 0) indicates successful responses where the decrease in the action area outweighed that in the control area. Positive number > 0) indicates responses where the response was not effective.|
|Buffer Displacement Measure||Determines whether the interventions show possible evidence of displacement or diffusion.||Positive number > 0) indicates a possible displacement effect. Negative number <0) indicates a possible diffusion of benefit.|
|Total Net Effect (TNE)||Determines the overall effect of the response in relation to changes in the control area while adjusting for displacement and/or diffusion effects.||Positive number > 0) indicates response was effective overall; Negative number < 0) indicates it was not. Zero = 0) means there was no change. The greater the number, either positive or negative, the more or less effective the response, respectively.|
You may order free bound copies in any of three ways:
Phone: 800-421-6770 or 202-307-1480
Allow several days for delivery.
Send an e-mail with a link to this guide.
Error sending email. Please review your enteries below.
Separate multiple addresses with commas (,)
Please limit your note to 200 characters.