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.
Money orders which are for $501 to $1000 will cost $1.65. This does not include insurance or tracking on the item itself. A military issued money order will only cost 35Â¢. This is advantageous to military families who are constantly moving and need to be able to provide a secure payment method for their needs.