researcher will either use random assignment or matching What do random assignment and matching have in common? They are both designed to create equivalent groups of participants. Random assignment is to random selection as _____ is to _____
1 An unarmed guard from 21st Sentry Security in Dallas-Fort Worth typically costs $14 per hour, while an armed guard starts at $18 per hour. 2  The time of day also affects pricing. 3  Security guards working at a late-night party in the city may cost $30-$50 per hour, for example.
ADT monthly monitored security costs vary depend on the package you select. The basic package starts at $36.99 per month.This package is perfect for many price-conscious households who want to keep their family safe with ADTâs âround the clockâ 24 hour monitoring.he basic package starts at $36.99 per month. This package is perfect for many price-conscious households who want to keep their family safe with ADTâs âround the clockâ 24 hour monitoring.