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.
How much does it cost to hire a private bodyguard? Anywhere from 20 to 70+ dollars an hour. Bodyguards can also be paid in a single lump sum, much like Liam Neeson's character in the Taken movies (though that's one of the few similarities). The hourly rate/lump sum is highly dependent on a plethora of factors.