Examlex
A fast duck is flying mi/h at the same altitude as a slow airplane flying with a velocity of
mi/h. How fast and in what direction is the duck moving relative to the airplane?
Critical Mass
A sufficient amount of something needed to maintain or start a process, especially in the context of nuclear reactions or creating social change.
Sample
A part of a population that is studied to reach conclusions about the entire population.
Case Study
A descriptive research method in which a single individual or a small number of persons are studied in great depth.
Naturalistic Study
Research conducted in a real-world setting without the manipulation or control of variables, observing natural behaviors.
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