Multiple Choice
Which of the following would be the most effective experimental design for an experiment measuring the effect of a particular fertilizer on plant growth?
A) Treat one plant with the recommended dose of fertilizer and measure its growth over time.
B) Treat one plant with the recommended dose of fertilizer and measure its growth over time compared to the same type of plant without fertilizer.
C) As in "b," but treat several of the same type of plants with fertilizer and without and measure their growth rates over time.
D) Set up several different types of plants and apply several different types of fertilizer and measure growth rates over time.
E) As in "d," but also measure the same types of plants grown without fertilizer.
Correct Answer:

Verified
Correct Answer:
Verified
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