Praxis II General Science

Category - Major Ideas

Which of the following should be true of a properly done scientific experiment?
  1. It will always yield the right answer.
  2. The results will fit the hypothesis.
  3. The experiment can be done by a 10-year-old.
  4. The experiment can be repeated with the same result.
  5. The results will not have to be assessed with statistics.
Explanation
Answer: D - A properly completed scientific experiment should always be repeatable, and when repeated, should yield similar or identical results. Experiments will not always yield the right answer, or fit the hypothesis they were designed for. Likewise, most experiments cannot be done by a 10-year-old. But all good experiments are reproducible.
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