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The more narrowly we define a product-market, the shorter the product life cycle because improved product ideas come along to replace the old.
Operational Definition
An operational definition specifies the measurement criteria and procedure for quantifying a research variable, ensuring clarity and replicability.
Independent Variable
In an experiment, the variable that is manipulated or changed to observe its effect on a dependent variable.
Experimental Group
In research, the group of subjects who are exposed to the variable under investigation, as opposed to the control group which is not exposed.
Experimental Factor
An independent variable manipulated by the researcher in an experiment to determine its effect on an outcome.
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