Question: A weight loss pill has been developed and will be tested on individuals who are between 20-40 pounds overweight, according to their BMI. Half of

A weight loss pill has been developed and will be tested on individuals who are between 20-40 pounds overweight, according to their BMI. Half of the group receive the real weight loss pill, and half of the group receive a placebo. After six months, the amount of pounds lost, gained or stayed the same is measured.

In this case, the independent variable is:

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