Examlex
A large amount of the world's usable water comes from desalination.
Operational Definition
A clear, detailed description of how variables in a study are measured or manipulated.
Quasi-Experimental Design
A research method that attempts to establish cause-and-effect relationships but does not utilize random assignment to control groups.
Random Assignment
A method used in experiments that allocates participants to different groups purely by chance, reducing bias.
Matched Groups
This involves forming groups in a study that are similar on certain characteristics to ensure comparability when exploring the effects of an intervention.
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