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How do energy and macronutrient needs change as people age past 50?
Reliability
Reliability refers to the consistency and dependability of a measurement, test, or instrument in yielding similar results under consistent conditions.
Test Items
Questions or tasks designed to measure knowledge, skills, abilities, or other attributes.
Nonmanipulated Variables
Variables in a study that are not altered or controlled by the researcher but observed for their effects on the outcome.
Independent Variable
In experimental research, the variable that is manipulated by the researcher to observe its effects on the dependent variable.
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