Examlex
The longer one has to wait for a future payment,the greater the present value it has.
Longitudinal Study
A research design that involves repeated observations of the same variables (e.g., people) over short or long periods of time, often years or even decades.
Selective Attrition
Selective attrition refers to the phenomenon where participants drop out of a study at different rates, often influenced by specific characteristics, which can bias the results.
Demand Characteristics
Aspects of an observational setting that cause people to behave as they think someone else wants or expects.
Qualitatively Different
Describing a distinction that involves a difference in quality rather than quantity between two or more things.
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