Developing Scientific Knowledge

How can a scientist ensure that his or her data are reliable?

by making a single observation

by repeating trials during an experiment

by recording values without units

by keeping the results private

The correct answer option is B. by repeating trials during an experiment

Explanation:

We are to determine whether which one is an appropriate answer option for the method by which a scientist can ensure that his or her data are reliable.

Scientists repeat the experiments over and over and keep recording the values. Since an experiment cannot go wrong every time it is performed so they repeat trials to make sure that their data is reliable.

By repeating the trial, in case multiple outcomes could occur