Examlex
Nonprobability samples do not allow for objective evaluation of the precision of the sample results.
Independent Variable
The variable in an experiment that is manipulated by the researcher to examine its effect on the dependent variable.
Random Assignment
A method used in experiments where participants are allocated to different groups in a manner that is determined by chance.
Manipulated
Altered or controlled in a deliberate way, often used in the context of variables in experimental research.
Variable
An element, feature, or factor that is liable to vary or change.
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