Examlex
What is considered the largest U.S.law enforcement agency,tasked with securing our nation's borders?
Random Assignment
A method used in experiments to assign subjects randomly to either the treatment or control group to eliminate bias.
Independent Variable
The factor in an experiment that is deliberately changed or manipulated to observe its effect on a dependent variable.
Equal Chance
A principle whereby each subject or experimental unit in a study has the same probability of being assigned to a particular group or condition.
Archival Research
Research methods involving the use of records or documents of the activities of individuals, groups, or organizations.
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