Asked by
Kylie Strop
on Oct 15, 2024
Verified
400 patients suffering from chronic back pain were randomly assigned to one of two groups.Over a four-month period,the first group received acupuncture treatments and the second group received a placebo.Patients who received acupuncture treatments improved more than those who received the placebo.
A) Retrospective observational study
B) Experiment
C) Prospective observational study
Placebo
A substance with no therapeutic effect, used as a control in testing new drugs, or to influence a participant's belief in the efficacy of a treatment.
Acupuncture Treatments
Involves the insertion of thin needles through the skin at strategic points on the body, used primarily for pain relief and therapeutic purposes in traditional Chinese medicine.
- Identify the key elements of an experimental design, including random assignment, control groups, and blinding.
Verified Answer
NK
Learning Objectives
- Identify the key elements of an experimental design, including random assignment, control groups, and blinding.
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