Examlex
The _____ may be taken at the end of each month or as frequently as needed, in order to determine the accurate cost of food consumed during that period.
Confounding Variable
An external variable that influences both the dependent and independent variables in a study, potentially skewing the results.
Observational Study
A study in which the researcher observes and records behavior or outcomes without manipulating variables.
Traditional Experiment
A research methodology involving the manipulation of variables to determine their effect on a particular outcome, usually featuring a control and experimental group.
Control Group
In an experiment, the group that is not exposed to the treatment and is used as a benchmark to measure how the other tested subjects do.
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