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Besides that, this is a solid buy, with minimal improvement opportunities which are all application based.

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It has been argued that problems of selection bias and endogeneity can be addressed by stronger research designs such as randomized controlled trials and natural experiments. A 2017 review published in Journal of Scandinavian Studies in Criminology and Crime Prevention compiles seven studies that use such research designs. The studies included in the review found that CCTV reduced crime by 24 28% in public streets and urban subway stations. It also found that CCTV could decrease unruly behaviour in football stadiums and theft in supermarkets/mass merchant stores. However, there was no evidence of CCTV having desirable effects in parking facilities or suburban subway stations. Furthermore, the review indicates that CCTV is more effective in preventing property crimes than in violent crimes.

 

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Unlike other models from different manufacturers, the Nest Protect Smoke Detector reduces the amount of time you spend wondering if your smoke detector is working or not. It features the use of blinking lights that indicate when your sensor is operating and when it has an issue. The producers of this model have eliminated the hassle associated with dealing with smoke alarms through their design of a smoke detector with an automatic battery self check system. The Nest Protect alerts you with help from its voice feature. This differs significantly from the regular smoke detectors that make use of the beeping tones to indicate danger. Whenever there’s potential danger such as the release of carbon monoxide in your living area or the smell of burnt toast, your Nest Protect has been engineered to talk to you about it and keep you alert.