Final answer:
The option that is a sign that an experiment would benefit from a redesign is when the results refute the hypothesis.
Step-by-step explanation:
The option that is a sign that an experiment would benefit from a redesign is: The results refute the hypothesis.
When the results of an experiment contradict or refute the hypothesis, it indicates that there may be flaws in the experimental design or the variables being tested. This suggests that the experiment needs to be redesigned to address these issues and obtain more reliable results. The option that is a sign that an experiment would benefit from a redesign is: The results refute the hypothesis.
When the results of an experiment contradict or refute the hypothesis, it indicates that there may be flaws in the experimental design or the variables being tested. This suggests that the experiment needs to be redesigned to address these issues and obtain more reliable results.