Examlex
VALS groups of consumers who are motivated by __________ are those who desire social or physical activity, variety, and risk.
Independent Variable
A variable that is manipulated or changed in an experiment to observe its effects on a dependent variable.
Dependent Variable
In experimental research, the variable that is observed and measured to determine the effect of the independent variable, reflecting outcomes or changes.
External Validity
The extent to which the results of a study can be generalized to other situations and to other people.
Internal Validity
The extent to which a study can demonstrate that a causal relationship exists between variables, free from external influences.
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