Why do scientists repeat experiments?

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Scientists repeat experiments for reliability. The experiment must be repeated for the scientist to develop a theory. One experiment does not prove your hypothesis correct; therefore, it must be done a several times.
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How many times do scientist repeat their experiments?

As often as necessary. Usually they either repeat an experiment until they get values they are happy with or until they are convinced that its not going to. Millikan is s

Should scientists repeat experiments to see if their data is reproducible?

Yes, they should... at least as a community of scientists. Aspecific scientist doesn't have to reproduce his work over andover, but other scientists in the field should check

Why is it important for scientists to do repeated trials when doing an experiment?

Scientists, like everyone else, are imperfect. You cannot be absolutely sure that you have not made a mistake or overlooked something when you do an experiment, but if you do

Why should scientists repeat their experiments?

They repeat them in order to try and see if it will fail. They may add or remove different variables depending on the results to see if something is effecting the experiment c
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Why do scientists repeat an experiment multiple times?

Unless an experiment is repeatable the original results aresuspect. Repeating an experiment, makes sure that the results are not beingaffected by otherwise unknown conditions
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Why should scientists do repeated trials with every experiment?

According to the scientific method they do it because the firsttime they try the experiment, the results might be wrong. In thecase of which many experiments are being tested
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How do scientists repeat experiments already done by someone else?

They try to measure the same circumstances as the original study inthe same way. So, for instance if the original study was trying tofigure out if cell phones were harmful, an