Examlex
The general term for the lowering of water table of an aquifer through pumping is the potentiometric surface.
Simple Random Sample
A sample of individuals selected from a population in such a way that everyone is equally likely to be selected. See also Stratified sample.
Stratified Sample
In survey research, a sampling design whereby researchers subdivide the population into groups according to characteristics known or thought to be important, select a random sample of groups, and then draw a sample of units within each selected group.
Convenience Sample
A sampling technique where participants are selected based on their ease of accessibility and availability to the researcher, rather than random selection.
Dependent Variable
In an experiment, the variable that is measured to determine whether it is affected by the manipulation of one or more other variables (independent variables).
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