Examlex
In 2016, the Chinese yuan replaced the U.S.dollar as the main reserve currency of the world.
Random Assignment
The assignment of participants to categories of an independent variable such that each participant has an equal chance of being assigned to each category.
Systematic Observation
An observational method that involves structured, consistent procedures for recording and analyzing phenomena.
Quasi-experimental Research
A research design that attempts to establish a cause-and-effect relationship but does not rely on random assignment.
Observational Research
Research methods involving the systematic and objective observation of naturally occurring behavior or events.
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