A pharmaceutical company is testing a new drug that they claim allows dogs to repel
flea infestation. They give 100 dogs the medication and another 100 dogs a sugar
pill.
Which of the following is true of this experiment?
The sample size is too low.
The sugar pill would be a placebo.
The independent variable is the number of fleas on dogs.
The dogs with the placebo would be the experimental group.
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