Examlex
Demographers divide the aging population into three categories. Which of the following is NOT one of these?
Reliability
The degree to which an assessment tool produces stable and consistent results over time.
Validity
The extent to which a test or instrument measures what it is intended to measure, indicating the accuracy of the test.
Research Process
A systematic procedure that involves the collection, analysis, and interpretation of data to answer a question or solve a problem.
Independent Variable
The variable in an experiment that is manipulated by the researcher to observe its effect on the dependent variable.
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