Ascientist conducted one trial of an experiment and got unexpected results. how can the scientist increase confidence in the results? a by repeating the experiment several times b by changing the experimental procedure c by asking other scientists what they think about the results d by modifying the results so they are close to the expected results

A by repeating the experiment several times

Explanation:

One of the main characteristics of the scientific research is the ability of running the experiments with the same circumstances and context several times, in order to be able to confirm the results of the research and by doing this if sometime a scientist gets a result too far away from the expected he can run again the experiment to see if the experiment wasn´t compromised.

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