Examlex
A project manager is procuring new equipment from a vendor. The vendor requires a physical signature on all purchase orders. Which of the following should the project manager do to order the equipment quickly? (Choose two.)
Sampling
The process of selecting a subset of individuals, objects, or observations from a larger population to make inferences about the whole.
Observational Studies
Research methods in which subjects are observed in their natural environment without any intervention by the researcher.
Reactivity
The tendency of a person to alter their behavior or response due to the awareness of being observed or measured.
Directionality Problem
An issue that arises when it is unclear whether one variable causes changes in another or vice versa, complicating the interpretation of study results.
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