The correct answer for this question is Designed experiment.
A person experiences the placebo effect when their physical or mental health seems to get better after receiving a placebo or "dummy" treatment. A treatment that seems to be real but is intended to have no therapeutic benefit is referred to as a placebo. The Latin word for placebo means "I will please."
One of the most popular hypotheses holds that a person's expectations are what causes the placebo effect. It's possible that the body's chemistry can produce results comparable to what a drug might have produced if a person anticipates a pill to do something.
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Answer:
Human trafficking in Johannesburg is a critical problem. Thousands of humans including girls, women, and children are trafficked for commercial labor, sexual exploitation, and household servants.
There are cases found of human trafficking of girls and women to different countries for sexual exploitation whereas Children and men are trafficked for forced labor as factory workers, agriculture workers, household servants, and beggars. Government should take action and make laws to stop this human trafficking.
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