One weakness of observational studies is that, because they lack a control and an
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experimental group, the data:
Which of the following is an example of a good hypothesis?
Observational studies are
Fill in the blanks... Science requires all hypotheses be both [Falsifiable, verifiable, testable, correct] Science requires all results undergo ["unbiased", "biased"] evaluation by experts. Science requires all results be ["verbally explained
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