Sahar Attended a Workshop on How Crystals Have Healing Power,can

Sahar attended a workshop on how crystals have healing power,can eliminate "blood sludge," and cure mental illness.The workshop facilitator presented clinical observations of several patients to demonstrate the effectiveness of crystals.What should Sahar keep in mind as she evaluates the information she learned in this workshop?

A) In the absence of systematic research,clinical observations are not sufficient evidence for their effectiveness.
B) Clinical observations are a powerful source of evidence and demonstrate treatment effectiveness.
C) Patients' own reports that crystals cured their cancer or depression provide empirical evidence of their effectiveness.
D) The workshop facilitator appears to be a credible source so his claims must be true.

Correct Answer:

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