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-In the above figure, the long- run average cost curve exhibits economies of scale
Blind Observations
A research method where the observers are unaware of the participants' conditions or the expected outcome of the experiment to prevent bias.
Random Samples
A subset of individuals chosen from a larger set, where each individual has an equal chance of being selected.
Independent Variables
Factors in an experiment that are intentionally changed to observe their effect on dependent variables.
Placebo
A compound that does not have any healing properties, employed as a standard in evaluating new medications.
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