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Additionally, the PRP worked equally well for children from different .
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New features were added and more devices were made compatible, allowing homeowners to easily communicate with their smart appliances and control what is going on in their home via their Apple device – a smart phone, a watch or an iPad.
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Cameras 118 may additionally include one or more sensors e.
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The studies included in the meta analysis used quasi experimental evaluation designs
that involve before and after measures of crime in experimental and control areas. However, several researchers have
pointed to methodological problems associated with this research literature. First, researchers have argued that the British car park studies included in the meta analysis cannot accurately control for the fact that CCTV was introduced simultaneously with a range of other security related measures. Second, some have noted that, in many of the studies, there may be issues with selection bias since the introduction of CCTV was potentially endogenous to previous crime trends. In particular, the estimated effects may be biased if CCTV is introduced in response to crime trends. 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.
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