Examlex
A new growth of tissue that forms an abnormal mass with no function is a ____.
Representative Sample
A fraction of a population that reliably reflects the traits of the entire group.
Random Sample
A method of selecting a subset of individuals from a population in which each person has an equal chance of being chosen.
Double-Blind Experiment
An experimental design in which neither the participants nor the experimenters know who is receiving a particular treatment, to prevent bias.
Case Study
A detailed analysis of a person, group, event, or situation over a period of time, used as a research method in psychology and other disciplines.
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