A graduate student injected 20 rats with a chemical compound commonly found as a pollutant in the environment and found
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A graduate student injected 20 rats with a chemical compound commonly found as a pollutant in the environment and found
A graduate student injected 20 rats with a chemical compound commonly found as a pollutant in the environment and found that most of the rats developed tumors within a few weeks. Eager to publish her results, the student comes to you, her adviser. What would you suggest the student do before trying to publish her results? Help her design a controlled experiment that includes a good hypothesis, the proper control groups, and help her identify the independent, dependent and controlled variables in the experiment.
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