Examlex
Which of the following is a discrete numerical variable?
Independent Variable
In experimental and statistical research, the variable that is manipulated or changed to observe its effect on a dependent variable.
Manipulated
Altered or controlled in a deliberate way, often to achieve a specific outcome or effect in research or other contexts.
Constant
A quality, value, or quantity that remains unchanged or stable within a given context or over time.
Non-Experimental
Research methods that do not involve manipulating variables to determine effects but instead observe naturally occurring relationships.
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