A scientist investigates the toxic effects of a chemical on the brain.
Which of the following...
A scientist investigates the toxic effects of a chemical on the brain.
Which of the following experimental design elements would
most likely lead to inconsistent results?
A. using the same method to measure toxicity
B. having a sample size that is very large
C. keeping the chemical at a constant temperature
D. running the tests in different locations
Answers: 2
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