Answer:
controlled experiment
Explanation:
you need to do it more than once. and you don't need to answer questions
You should test a hypothesis by performing a controlled experiment. Thus, the correct option is C.
A controlled experiment may be defined as a sort of experiment in which all the variable factors and a comparison control group are kept the same except for one variable factor in the experimental group that is changed or altered.
The Hypothesis is something that we guess prior to performing a controlled experiment. This hypothesis is typically proved with the help of a controlled experiment.
A controlled experiment includes a hypothesis, a systematic methodology, focussed observation, and valid conclusion or accurate evidence with respect to the hypothesis. A controlled experiment is only become successful, once it furnishes actual evidence to the hypothesis in terms of all aspects.
Therefore, you should test a hypothesis by performing a controlled experiment. Thus, the correct option is C.
To learn more about Controlled experiments, refer to the link:
https://brainly.com/question/24708013
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